1) Which of the following is a property of solids? a) Can be poured b) Keep the same shape c) Fill the whole container d) Easy to compress 2) Which state of matter can easily be compressed? a) Solid b) Liquid c) Gas d) All of them 3) Liquids always: a) Change their volume b) Keep the same shape c) Take the shape of the container d) Can be squashed easily 4) Which of the following is NOT true about gases? a) They fill any container b) They cannot be compressed c) Their volume can change d) They are usually invisible 5) The idea that matter is made up of tiny particles is called: a) Hypothesis b) Property c) Particle theory d) Compression 6) In solids, particles: a) Move freely in all directions b) Vibrate but stay in the same place c) Move past each other easily d) Are far apart 7) Which statement about liquids is correct? a) Liquids can be compressed easily b) Liquids have a fixed shape c) Liquids have a fixed volume but change shape d) Liquids do not flow 8) Why can gases be compressed easily? a) Their particles are very close together b) Their particles are far apart with empty spaces between c) They have strong forces between particles d) They vibrate only in place 9) Which state of matter has no fixed shape or volume? a) Solid b) Liquid c) Gas d) All of them 10) A space with no particles at all is called: a) Compression b) Flow c) Vacuum d) Particle theory 11) Which state of matter cannot be poured? a) Solid b) Liquid c) Gas d) Both liquid and gas 12) The observation that we can smell food from another room supports the idea that: a) Liquids expand when heated b) Particles are moving and far apart c) Solids keep their volume d) Particles are arranged in a fixed pattern 13) The particles in which state of matter are described as "touching each other but held weakly"? a) Solid b) Liquid c) Gas d) Plasma 14) In which state do particles move quickly in all directions with no attractive forces between them? a) Solid b) Liquid c) Gas d) Compound 15) What is the correct way to measure liquid in a cylinder? a) From the top of the curve b) From the bottom of the meniscus c) From the side of the container d) From above the eye level 16) The boiling point of water is: a) 0 °C b) 50 °C c) 100 °C d) 212 °C 17) Which change of state is happening when steam touches something cold? a) Melting b) Condensation c) Evaporation d) Freezing 18) Why does the liquid inside a thermometer rise when heated? a) It evaporates b) It expands c) It condenses d) It freezes 19) Which change of state occurs when water changes from liquid to solid? a) Boiling b) Freezing c) Condensation d) Melting 20) The process of a solid turning into a liquid is called: a) Condensation b) Evaporation c) Freezing d) Melting 21) Why does a solid expand when heated? a) New particles are formed b) Particles move apart as they vibrate more c) Attractive forces disappear d) The solid melts immediately 22) Which state of matter has particles that can slide past each other but still touch? a) Solid b) Liquid c) Gas d) Vacuum 23) What happens to particles during boiling? a) They vibrate in place b) They stop moving c) Some gain enough energy to break free and escape as gas d) They move closer together 24) In freezing, particles: a) Gain more energy and move faster b) Lose energy and vibrate less c) Stop touching each other d) Spread out widely 25) The change of state from liquid to gas that happens slowly is called: a) Boiling b) Condensation c) Evaporation d) Melting 26) What happens to the attractive forces holding solid particles as the solid melts? a) They become stronger b) They are overcome by the strong vibrations c) They hold the particles in place better d) They disappear completely, forming a vacuum 27) Which state change involves particles losing energy when they hit a cold surface and coming closer together? a) Melting b) Evaporation c) Condensation d) Freezing 28) What is the name of the curve at the top of a liquid in a measuring cylinder? a) Boiling point b) Scale c) Meniscus d) Condensation 29) Which process in the water cycle involves water changing from liquid to gas due to heating from the Sun? a) Condensation b) Precipitation c) Collection d) Evaporation 30) The process of water entering the atmosphere from plants is called: a) Condensation b) Transpiration c) Precipitation d) Surface run-off 31) Clouds are formed during which stage of the water cycle? a) Evaporation b) Condensation c) Precipitation d) Collection 32) Precipitation can fall as: a) Rain only b) Snow, hail, or sleet only c) Rain, snow, hail, or sleet d) Water vapour only 33) The water that flows directly over the land and can cause soil erosion is called: a) Groundwater b) Water vapour c) Transpiration d) Surface run-off 34) What provides the energy that drives the entire water cycle? a) Gravity b) The Earth's core c) The Sun d) Wind 35) What does the word "atom" originally mean? a) Very light b) Cannot be seen c) Cannot be divided d) Smallest particle

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