1) Which of these materials will have similar properties? a) Air, oxygen, ice b) Water, iron, air c) Iron, stone, wood d) Oil, water, wood 2) Which of the following is true? a) A liquid evaporates into a gas when it is cooled b) A gas condenses into a liquid when it is cooled c) A gas condenses into a liquid when it is heated d) A liquid condenses into a gas when it is heated 3) Everything is made up of: a) Particles which are arranged differently in solids, liquids and gases b) Particles which are arranged in the same way in solids, liquids and gases c) Water particles d) Nothing 4) Which of the following is not true? a) The melting point of ice is 0 º b) The melting point of ice is above 0 º c) The freezing point of water is 0 º d) The freezing point of salty water is below 0 º 5) Solids, like rock, have a: a) Shape which is easy to change but its volume is fixed b) Shape which is fixed but it can change its volume c) Shape and a volume which are both easy to change d) Shape and volume which are both fixed 6) In a solid: a) The particles are very close together b) The particles are as far apart as possible c) The particles are quite close together d) There are no particles 7) Which of the following statements about solids and density is true? a) A solid that is more dense than water will float b) A solid that is less dense than water will float c) All solids have a low density d) Solids have no density 8) In a solid: a) The bonds between the particles are very weak b) There are no bonds c) The bonds between the particles are very strong d) The bonds let the particles move past each other 9) Liquids: a) Have a fixed volume and take the shape of their container b) Have a fixed volume and a fixed shape c) Will spread out until their volume has doubled d) Can change their volume but not their shape 10) In a liquid: a) The particles are very close together b) The particles are as far apart as possible c) The particles are quite close together d) There are no particles 11) Which of these liquids flows the least well? a) Water b) Wine c) Petrol d) Treacle 12) Liquids are used in a car braking system because: a) They are cheap to replace b) They are not easily squashed c) You can see a wet patch when they leak d) They do not flow easily 13) Gases: a) Spread out until they fill the space around them b) Do not spread out c) Cannot be poured d) Keep their shape 14) In a gas: a) The particles are held tightly in place by bonds b) There are no particles c) The particles are free to move anywhere d) The strong bonds let the particles move past each other 15) Gases need to be stored: a) In cardboard boxes b) Under water c) In open containers d) In sealed containers 16) Gases are: a) Less dense than liquids because the particles are further apart b) Less dense than liquids because the particles are closer together c) More dense than liquids because the particles are closer together d) More dense than liquids because the particles are further apart 17) Which of the following is true? a) Expansion happens when a material is cooled b) When a material is cooled it expands c) When a material is heated it expands d) Expansion does not happen on Earth 18) Contraction is: a) When something gets smaller b) When something gets bigger c) When a tractor tows something d) When something gives out light energy 19) Solid material expands when a) The particles get bigger b) The particles get smaller c) The particles move around more d) The particles do not move around as much 20) Which of these statements about liquids is not true? a) All liquids contract as they get colder b) Water expands below 4 ° c) Water expands if you heat it from 5 °to 10 ° d) All liquids expand as they get colder

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