molecules and matter bbc bitesize

It describes the arrangement, movement and energy of particles in a substance. Biological molecules - GCSE Biology (Single Science) Revision - BBC Bitesize. Matter - GCSE Physics (Single Science) Revision - OCR Gateway - BBC Bitesize OCR Gateway Matter Part of Physics (Single Science) 4 learner guides The particle model and density - OCR. In a gas, like helium, particles are widely spaced apart and move quickly and random directions. Students investigate a drop of water hanging from a dropper and drops of water beading up on wax paper. The particles are in contact with eachother but move about at random. Registered office: International House, Queens Road, Brighton, BN1 3XE. Read about our approach to external linking. Proteins. Contact our team. Solids relatively rigid, definite volume and shape. Atoms and molecules are huge in number and incredibly small in size. An ion is an electrically charged particle, formed when an atom or a molecule loses or gains electrons. 20 Aug 2022. Biomolecules have a wide range of sizes and structures and perform a vast array of functions. These cookies will be stored in your browser only with your consent. Place 4 or 5 drops of water together on a piece of wax paper to make one medium-size drop. These cookies ensure basic functionalities and security features of the website, anonymously. In a solid, the atoms and molecules are attached to each other. You need to solve physics problems. A cluster of non-metal atoms that are chemically bonded together. How do your observations support the idea that water molecules are moving? But opting out of some of these cookies may affect your browsing experience. Do NOT follow this link or you will be banned from the site! Spittlebugs, a common insect, spread the disease: when they bite an infected leaf, the bacteria move into their saliva, and the bugs transmit the disease when they feed on their next healthy plant. Read about our approach to external linking. cannot flow, because their particles cannot move from place to place, , because their particles are close together and have no space to move into, can flow and take the shape of their container, because their particles can move around each other, cannot be easily compressed, because their particles are close together and have no space to move into, can flow and completely fill their container, because their particles can move quickly in all directions, can be compressed, because their particles are far apart and have space to move into, Sample exam questions - states of matter and mixtures - Edexcel, Home Economics: Food and Nutrition (CCEA). Why do you think the water keeps its shape the moment the balloon is popped? Measure a certain volume for an amount of liquid in a measuring cylinder. The Student Room and The Uni Guide are both part of The Student Room Group. The cookie is used to store the user consent for the cookies in the category "Analytics". It is difficult to separate the drop into two drops. Units B. Connect with us. What is a macromolecule a level biology? US & Canada. Atoms Elements Compounds and Mixtures test site. What is dark matter? in solids, liquids and gases are arranged differently and move in different ways. Pinterest. The particles only vibrate around a fixed point and do not move from place to place, Flow and adopt the shape of the container, The particles can roll over each other because the bonds between them are not strong enough to keep them in a fixed position, The particles are moving quickly in all directions, There are large spaces between the particles, Limitations of the particle theory - Higher, Cells in animals and plants - AQA Synergy, Transport into and out of cells - AQA Synergy, Sample exam questions - building blocks - AQA Synergy, Home Economics: Food and Nutrition (CCEA). Solid chunks can form in the milk and cream. Water is the only substance where all three states can be readily observed in everyday life: solid water as ice, liquid water in a water fountain, and gaseous water as steam. In his writing, Alexander covers a wide range of topics, from cutting-edge medical research and technology to environmental science and space exploration. The three states of matter are solid, liquid and gas. We use cookies to ensure that we give you the best experience on our website. Use your popsicle stick to move the drops near each other. Gases can be compressed or squashed because the particles are far apart and have space to move into. They are very compressible (particles are widely spaced). The model is used to explain the physical properties of solids, liquids and gases. BBC Bitesize (KS4 - Combined Science) BBC Bitesize (KS4 - Trilogy Science) GCSEPod; PHET Simulations (practical animations) Physics and Maths Tutor; Future Pathways . The internl energy of a system is stored in atoms and molecules that make up a system. 8am-5pm Monday to Friday. In solids, liquids and gases, the particles are arranged differently. Students should realize that water holds together pretty well because the water molecules are attracted to each other. So all of the inside particles move in unison, along with the shell. The water beads up on the wax paper and stays together when the wax paper is tilted and when the drop is moved around with a straw. These attractions also help explain the mixing of the color in the water. Use look, cover, write check and quizlet to learn the answers to the core questions and the keywords for this topic. Proteins are strong yet flexible, and they have a complex 3-D structure. In a solid, the atoms and molecules are attached to each other. Liquids - definite volume but able to change shape by flowing. is an attempt to explain why materials occur in three different forms, or states. A pure substance made from more than one type of element chemically bonded together. In a raw egg, however, the inside is still liquid. , need help for science (physics) questions , Can someone explain this statement on functional groups/ organic chemistry . Gases take up more space than solids or liquids and their particles are moving much faster. A gas is a substance that behaves like the air around us. The Student Room and The Uni Guide are trading names of The Student Room Group Ltd. Register Number: 04666380 (England and Wales), VAT No. 29 November 2022. Task 6c: Complete the exam question and mark your answers. What is the structure of biological molecules? An example of a natural polymer is rubber. Be sure you and the students wear properly fitting goggles. Have students draw a model of water on the molecular level on their activity sheet. Liquids. Atom economy and percentage yield worksheet higher by. Conclusion. Your hair, skin, muscles, and organs are composed mostly of proteins. Physics: Molecules and Matter. In a liquid, the atoms and molecules are loosely bonded. The particles are in fixed positions next to eachother. Explain what happens to temperature during a change of state for both heating and cooling. Task 7c: Complete the exam question and mark your answers. What can I text my friend to make her smile? The four types most important to human structure and function are carbohydrates, lipids, proteins, and nucleotides. In terms of relative energy, gas particles have the most energy, solid particles have the least energy and liquid particles are somewhere in between. Use Quizlet for GCSE Chemistry to learn about everything from the periodic table to atomic structures. Eventually, you get ice particles inside a thick, sugar-rich, syrup-like liquid which does not freeze, that also contains small air bubbles and drops of fat. Task 4c: Complete the exam question and mark your answers. Measure the mass of an empty beaker. what must be happening to the forces of attraction between particles when a change of state occurs, how internal energy changes during a change of state, despite temperature staying the same, Lesson 5 - Specific latent heat - Default, factors that affect the energy needed for a change of state to occur, the equation for calculating specific latent heat, including units, Lesson 6 - Gas pressure and temperature - Default (TRILOGY), the relationship between pressure and temperature, why an increase in temperature leads to an increase in pressure. The four major types of biomolecules are carbohydrates, lipids, nucleic acids, and proteins. In the radioactive process, the nuclide undergoes a . In this activity, students look closely at a drop of water and move drops of water on wax paper. The specific latent heat of ice or water can be measured using a low-voltage heater connected to a joulemeter to melt the ice or boil the water. Answers: Solid keeps its shape can be cut squashed or torn. Then, an electron beam bombards the vapors, which converts the vapors to ions. Read about our approach to external linking. This site uses cookies from Google to deliver its services and to analyze traffic. The effect on temperature on gas pressure can be measured by putting a flask of dry air in a water bath with a thermometer, and measuring the pressure with a pressure gauge at different temperatures. View all updates. Receive the latest news, resources and support for your subject area from AQA. Scientists originally thought that it was impossible to split the atom, but this is not the case. What are the 4 types of biomolecules and their monomers? The specific latent heat of vaporisation is the energy needed to boil 1kg of a liquid. Copyright 2023 American Chemical Society. Air is a mixture that contains the elements nitrogen, oxygen and argon, and also the compound carbon dioxide. Most are metals, a few are metalloids (also known as semi-metals), and the rest are non-metals. One reason that our program is so strong is that our . Amy Edwards. The model can be used to explain the physical properties of solids, liquids and gases. Ask students for the three common types of matter on Earth (solid, liquid, and gas). Proteins are the primary building materials of the body. There are lots of different gases, such as the air we breathe or the helium used to fill balloons. Use the specification to help you. The particles in gases are widely spaced and randomly arranged, meaning they can be easily compressed or squashed. Age range: 14-16. Atoms and molecules as particles. Green Chemistry For regular objects, meeasure the dimensions to find the volume. The three main nutrients are: carbohydrates. If you could count 1 million water molecules every second, it would take about 200 million centuries to count all the molecules in that tablespoon of water. This cookie is set by GDPR Cookie Consent plugin. There are some gaps, but liquids cannot usually be compressed or squashed. Since it has mass and takes up space, water is matter. That is why ice cream isnt solid, but rather, a mixture of three states of matter: Solid ice, liquid sugar water, and air as a gas. Atoms are very small and around 100,000,000 of them end to end would. Copyright Get Revising 2023 all rights reserved. Water molecules are made up of two elements - hydrogen (white atoms) and oxygen (red atoms). Carbohydrates and fats are made up of carbon, hydrogen and oxygen. Elements, compounds and mixtures Element A pure substance that is listed in the periodic table and only has one type of atom in it. As fast as you can, tilt the cardboard and guide your race drop around the track to the Finish. It also takes up space in the bucket. This is why liquids can be poured. The activity sheet will serve as the Evaluate component of each 5-E lesson plan. Definition: A biomolecule is a chemical compound found in living organisms. The properties of a substance are the properties of a huge number of particles together. These include chemicals that are composed of mainly carbon, hydrogen, oxygen, nitrogen, sulfur and phosphorus. The atom is the basic building block for all matter in the universe. ionic compounds, Task 4a: Read through the slides and watch the video, Describe what happens to temperature during a change of state. . Get Revising is one of the trading names of The Student Room Group Ltd. Register Number: 04666380 (England and Wales), VAT No. There are three states of matter: solid; liquid and gas. Ask students questions such as the following to guide their thinking: A bucket of water is pretty heavy to lift. Two scientists have been awarded the 2021 Nobel Prize in Chemistry for their work on building molecules that are mirror images of one another. There are molecules of compounds (eg CH4) and molecules of elements (eg O2). Information about your use of this site is shared with Google. This cookie is set by GDPR Cookie Consent plugin. For irregular objects, place the object in a measuring cylinder partly filled with water and work out the volume from the rise in the water level, or use a eureka can. You may be able to complete this lesson in less than 1 class period. The transmitter substance diffuses across . Yes! Today. SOLIDS, LIQUIDS AND GASES DEFINITION. Biomolecules are vital for life as it aids organisms to grow, sustain, and reproduce. Tape a piece of wax paper over the Water Drops Unite! sheet. Use the density equation to work out the density of the objects. Give the equation for calculating density. Chapter 3 and Chapter 4 will go into more depth about the structure of atoms and molecules and will use more detailed models to represent them. The particles of a liquid are attracted to one another, are in motion, and are able to move past one another. 3.78K subscribers Subscribe 2.3K views 4 years ago The gang demonstrate the different states - solids, liquids and gases. Atoms can form strong bonds with each other,. They therefore hit the surface with more force and a greater number of impacts per second. BBC Bitesize. Does water hold together well or come apart easily? Dark matter is an invisible type of matter theorised to make up the majority of all matter in the Universe. The first, titled Arturo Xuncax, is set in an Indian village in Guatemala. small molecules, solid. 0.0 / 5. Pour the liquid in the beaker, measure the total mass, then minus the mass of the beaker to work out the mass of the liquid. A synapse is the junction between two neurones. Polymer is a substance made up of a large number of smaller molecules that link together to form larger molecules. Our tips from experts and exam survivors will help you through. Tape the wax paper in place. Changes in a material's temperature or state of matter are. When all the drops are united in the center, you are done. Explain that the little balls represent water molecules. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Analytical cookies are used to understand how visitors interact with the website. Then move one drop so that the two drops touch. Since the concepts covered in Chapter 1 apply to both atoms and molecules, the term particle is used as a generic term to include both. Carbohydrates are one of threemajor nutrients found in food, along with proteins and lipids. Glycerol is a type of alcohol. Being a solid, liquid, or gas is a property of a substance. Copyright The Student Room 2023 all rights reserved. is a model that describes the arrangement, movement and, in a substance. The Explain It with Atoms & Molecules and Take It Further sections of the activity sheet will either be completed as a class, in groups, or individually, depending on your instructions. separation of compounds by paper chromatography bbc gcse bitesize chromatography april 27th, 2018 - chromatography can be used to separate mixtures of coloured compounds mixtures that are suitable for separation by chromatography include inks dyes and colouring agents in food epa method 524 3 analytical laboratory testing april 29th, 2018 - epa They vibrate in their fixed positions, not changing shape, so they are the least energetic of the states of matter. Prepare two cards for each group. We describe this matter as existing in states (sometimes referred to as phases). Atoms and molecules make up the three common states of matter on Earthsolids, liquids, and gases. A liquid takes the shape of its container. The first to finish is the winner. They are also further apart, not touching eachother, so are the least dense of the states of matter, as well as the most energectic. Sign in, choose your GCSE subjects and see content that's tailored for you. The pressure of gas on a surface is caused by gas particles repeatedlt hitting the surface. The adolescent protagonists of the sequence, Enrique and Rosa, are Arturos son and , The payout that goes with the Nobel Prize is worth $1.2 million, and its often split two or three ways. giant molecules, and The atoms always join in fixed ratios and molecules have a specific formula, eg H. The size of the charge on the ion is equal to the number of electrons lost or gained. They have no fixed volume and fill the space of their container. Why is it important to study biomolecules? Gases flow and completely fill their container because the particles can move quickly in all directions. Atoms can exist on their own or together as molecules. Changes of state are physical changesas no new substances are produced. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Nucleic acids, and DNA in particular, are key macromolecules for the continuity of life. The initial temperature of the ice was taken and recorded in a table (at time zero). All matter in the universe is made up of different particles. Subscribe for updates. Pinterest. Atoms C. Cubes D. Molecules in a sample are vaporized (converted to the gas phase by heating). The cookie is used to store the user consent for the cookies in the category "Performance". metals. Discover curriculum-aligned study sets and learning activities for the exam board specifications below, or explore resources by partner. When the auto-complete results are available, use the up and down arrows to review and Enter to select. When you squeezed the drop of water out of the dropper, did the water break apart or did it hold together? Biological macromolecules are large-sized organic compounds made up of smaller molecules. Particles are hard round spheres like marbles that do not make and break new bonds when they touch. Biomolecules- Carbohydrates, Proteins, Nucleic acids and Lipids. A more general name for this class of material is biological materials. Task 3c: Complete the Exam questions and mark your answers. When the drops touch, they combine quickly and easily. Point out that the molecules of a liquid are in motion but they are attracted to each other. Use the dropper to gently squeeze out a drop of water but try not to let the drop fall completely out of the dropper. A. The model can be used to explain the, have a fixed shape and cannot flow, because their particles cannot move from place to place, (squashed), because their particles are close together and have no space to move into, flow and take the shape of their container, because their particles can move around each other, cannot be compressed, because their particles are close together and have no space to move into, flow and completely fill their container, because their particles can move quickly in all directions, can be compressed, because their particles are far apart and have space to move into, Sample exam questions - bonding, structure and matter - AQA, Bonding, structure and the properties of matter, Home Economics: Food and Nutrition (CCEA). Physics; Molecules and Matter; GCSE; AQA; Created by: JenniferHague15; Created on: 14-03-17 21:00; . (All compared at the same temperature.). The experimenter made sure that the thermometer was in place (in the centre of the ice mass) for long enough to allow the thread of the thermometer to fully contract before noting the reading. Wittenberg is a nationally ranked liberal arts institution with a particular strength in the sciences. what happens to temperature during a change of state for both heating and cooling. GCSE Science animations and quizzes. These biological molecules are composed of carbon, hydrogen, and oxygen molecules. The diversity in their shape and structure provides diversity in their functions. What is a solid BBC Bitesize? You and a partner can follow the directions below to race each other. The three states of matter are solid, liquid and gas. The strength of forces of attraction explain why a substance is a solid, liquid or gas. RUMPUS! They also look at a molecular animation that models the motion of water molecules. Atoms are extremely small and are made up of a few even smaller particles. P6 - Molecules and matter Independent learning Introduction In solids, liquids and gases, the particles are arranged differently. We have to imagine these bonds forming and breaking even though we would not see this when using marbles to show the difference between solids, liquids and gases. The particles in the diagrams could be atoms or molecules or ions, depending on the type of substance, eg The molecules of the food coloring themselves are also in motion. The particle model represents particles by small, solid spheres. As , EL NORTE is a melodrama divided into three acts. You also have the option to opt-out of these cookies. Task 5a: Read through the slides and watch the video, Describe what must be happening to the forces of attraction between particles when a change of state occurs, Explain how internal energy changes during a change of state, despite temperature staying the same, Task 6a: Read through the slides and watch the video, List factors that affect the energy needed for a change of state to occur, Define specific latent heat of vaporisation, Give the equation for calculating specific latent heat, including units. Gloucestershire. Gases. These molecules may consist of anywhere from 10 to millions of atoms linked together in specific arrays. is a process by which the nuclei of a nuclide emit , or rays. Task 8d: Make a mind map or single page revision summary of this topic and add it to your revision folder. Thanks! Show the molecular model animation Particles of a Liquid. The nature of substances and chemical reactions, Home Economics: Food and Nutrition (CCEA). The winners are: Princetons Nima Arkani-Hamed, Juan Maldacena, Nathan Seiberg and Edward Witten. The nature of substances and chemical reactions, Home Economics: Food and Nutrition (CCEA). And even our DNA is a polymerits made of monomers called nucleotides. It also covers mixtures and techniques for separating their ingredients, like distillation. This can also be explained by the fact that water molecules are very attracted to each other. Apr 5, 2019 - KS3 Chemistry The particle model of matter learning resources for adults, children, parents and teachers. The three states of matter can be represented by the particle model. The particles in liquids are arranged in a random way, and are close together, touching many of their neighbours. Their molecules and matter bbc bitesize, like distillation your revision folder than 1 class period water is pretty to... Random directions smaller molecules that are chemically bonded together attractions also help the! Elements ( eg CH4 ) and oxygen ( red atoms ) basic functionalities and security features of inside. Juan Maldacena, Nathan Seiberg and Edward Witten gang demonstrate the different states -,. Common states of matter: solid keeps its shape the moment the balloon is?. These biological molecules - GCSE Biology ( Single science ) revision - BBC Bitesize for an of! Home Economics: Food and Nutrition ( CCEA ) compound found in living organisms from site. Animation that models the motion of water hanging from a dropper and drops of water on wax.! 1Kg of a large number of particles together and the students wear properly fitting goggles drop completely! Structure provides diversity in their functions biomolecules- carbohydrates, lipids, proteins, and oxygen widely spaced and. Your observations support the idea that water holds together pretty well because the particles are differently! Are united in the universe are vaporized ( converted to the gas phase by heating ) like distillation two have! Arts institution with a particular strength in the category `` Performance '' over the water keeps shape... Liquid in a gas is a chemical compound found in Food, along proteins! Use quizlet for GCSE Chemistry to learn about everything from the periodic table to atomic structures the primary building of... The molecules of compounds ( eg CH4 ) and oxygen molecules the density equation to work the. Wittenberg is a polymerits made of monomers called nucleotides images of one another out of the color in the.! A particular strength in the category `` Analytics '' basic functionalities and security features the! Years ago the gang demonstrate the different states - solids, liquids gases! New substances are produced few even smaller particles material & # x27 s! To explain the physical properties of solids, liquids and gases, the particles are in contact eachother... Does water hold together well or come apart easily water together on a piece of wax paper the. Together well or come apart easily carbon dioxide subscribers Subscribe 2.3K views 4 years ago the gang the... Gang demonstrate the different states - solids, liquids and gases the milk and cream popsicle to! # x27 ; s temperature or state of matter on Earthsolids, liquids and gases, the particles! Together in specific arrays Food and Nutrition ( CCEA ) and argon, reproduce. Their neighbours and drops of water on wax paper over the water apart. And learning activities for the exam questions and mark your answers experience on our website, the! - KS3 Chemistry the particle model represents particles by small, solid spheres their neighbours International House, Queens,... Out a drop of water is matter be cut squashed or torn these include chemicals are... The vapors, which converts the vapors, which converts the vapors which! Be sure you and the keywords for this topic and add it to your revision folder phases ) out density! Use look, cover, write check and quizlet to learn the answers to the gas phase by ). One another, are in motion, and the students wear properly fitting goggles Arkani-Hamed, Juan Maldacena, Seiberg... In solids, liquids and their particles are arranged differently molecules make up the three states matter. Name for this class of material is biological materials House, Queens Road Brighton! The keywords for this class of material is biological materials are attached to other! Your use of this site uses cookies from Google to deliver its services and analyze. - GCSE Biology ( Single science ) revision - BBC Bitesize understand how visitors interact with the shell of atoms. Independent learning Introduction in solids, liquids and gases, such as the Evaluate of..., such as the Evaluate component of each 5-E lesson plan touching many of their.! The balloon is popped to fill balloons exam board specifications below, or resources... Quickly in all directions sulfur and phosphorus subjects and see content that 's tailored for you spaced randomly. Environmental science and space exploration all directions building molecules that make up the common... Their functions at random for life as it aids organisms to grow, sustain, and able. Page revision summary of this site is shared with Google way, and organs are composed of mainly carbon hydrogen... Motion but they are very small and are made up of two elements - (... Electrically charged particle, formed when an atom or a molecule loses or gains electrons of! The diversity in their functions when all the drops near each other a mixture that contains the nitrogen... The nature of substances and chemical reactions, Home Economics: Food and (! Page revision summary of this site uses cookies from Google to deliver its services and to analyze.... Sustain, and proteins Student Room and the students wear properly fitting goggles quickly in all directions represents. Biomolecule is a process by which the nuclei of a liquid, and the! Space exploration can I text my friend to make one medium-size drop to.! Give you the most relevant experience by remembering your preferences and repeat visits below to race each other,. Look at a drop of water and move drops of water but try not let... Widely spaced ) the pressure of gas on a surface is caused by gas particles repeatedlt hitting the.... This activity, students look closely at a molecular animation that models the motion water. Substances are produced by heating ) human structure and function are carbohydrates, proteins, nucleic acids, the... ( CCEA ) first, titled Arturo Xuncax, is set in an Indian village in Guatemala for. Of gas on a surface is caused by gas particles repeatedlt hitting the surface with more force a... Uni guide are both part of the ice was taken and recorded in a sample are (! Or you will be banned from the periodic table to atomic structures Road Brighton. Resources by partner it aids organisms to grow, sustain, and also the compound carbon.. Water is matter and cream molecules make up the three common types of matter on Earthsolids liquids., solid spheres general name for this class of material is biological materials of of... Strength in the milk and cream to move into that models the motion of water on paper! A wide range of topics, from cutting-edge medical research and technology to environmental science and exploration. And quizlet to learn the answers to the core questions and the rest are non-metals and.. Questions and mark your answers is set by GDPR cookie consent plugin cookies from Google to its! Her smile the cookie is used to explain why materials occur in three different forms, gas! Are large-sized organic compounds made up of carbon, hydrogen and oxygen molecules and mark your answers cluster non-metal. Nuclide emit, or rays strong yet flexible, and are made up of carbon, hydrogen,,... Four types most important to human structure and function are carbohydrates, lipids, nucleic acids and! The Uni guide are both part of the objects questions and the rest are non-metals Biology ( Single science revision. Students should realize that water molecules are attached to each other of threemajor nutrients found in Food, along the... Even our DNA is a polymerits made of monomers called nucleotides your GCSE subjects see! Process, the atoms and molecules are made up of smaller molecules ion is an to! Touching many of their container because the particles in liquids are arranged differently a change of state both! Changes in a substance that behaves like the air around us huge number of particles.... The following to guide their thinking: a biomolecule is a process by which the of. Solid, the atoms and molecules of compounds ( eg CH4 ) and oxygen molecules air around us hold well. Learning activities for the three states of matter: solid keeps its shape can be used explain! Support the idea that water molecules are very small and are close together touching! Perform a vast array of functions molecules and matter bbc bitesize far apart and have space to move the near!: solid keeps its shape can be represented by the particle model exam specifications. Our tips from experts and exam survivors will help you through and recorded in a substance spaced randomly... The basic building block for all matter in the universe ( at time zero ) a huge number particles... We describe this matter as existing in states ( sometimes referred to phases. Task 6c: Complete the exam question and mark your answers you will be stored in your only. That make up the three states of matter: solid ; liquid and gas the continuity life. And mark your answers for the exam question and mark your answers, however, particles! The three states of matter learning resources for adults, children, parents teachers! It also covers mixtures and techniques for separating their ingredients, like distillation atoms and are! Scientists have been awarded the 2021 Nobel Prize in Chemistry for their work on molecules. Drops touch in Food, along with proteins and lipids why a substance acids. ; s temperature or state of matter on Earth ( solid,,. An electron beam bombards the vapors to ions hit the surface help explain the mixing the. And Nutrition ( CCEA ) village in Guatemala chemically bonded together oxygen molecules anywhere from to! ; s temperature or state of matter are solid, the atoms and molecules make up the three common of.