1) Which two of these statements are true? a) heat moves from something cold to something hot b) heat moves from something hot to something cold c) the hotter something is the faster it cools down d) the hotter something is the slower it cools 2) What is heat and what unit do we measure it in? a) energy and degree celsius b) scale and joules c) scale and degree celsius d) energy and joules 3) Why does a lollipop melt when we are in the sunshine - (two are right)? a) the cold leaves the lollipop so it gets warmer b) heat energy moves into the lollipop from the air c) the heat energy going into the lollipop chnages the state d) the ice evaporates 4) Which of these statements are true about the different states? a) solid particles are not moving at all b) soliod particles are apart from each other and vibrating c) solid particles are very close and vibrating d) some liquid particles are touching 5) Thermograms are ....... a) pictures that show us how hot something is b) pictures that glow in the dark c) pictures that use colour to show us how hot something is d) used only in the dark 6) Changing from a solid into a liquid and then into a gas shows us........... a) melting then condensation b) freezing then evaporation c) melting then evaporation d) evaporation then melting 7) The specific heat capacity is the energy needed to a) increase the temperature of something by 1 degree celsius b) change the state of 1kg of something and the temperature by 1 degree celsius c) increase the temperature of 1 kg of something by 1 degree celsius d) change the state of 1 kg of something without any increase in temperature. 8) Specific latent heat is the amount of energy needed to ............... a) increase the temperature of 1kg of something by 1 degree celsius. b) change the state of something without changing the temperature. c) change the state of 1kg of something and raise the temperature by 1 degree celsius d) change the state of somethi ng without changing the temperature 9) What conducts heat the best? a) gases b) liquids c) solids d) space 10) What uses convection currents to transfer heat? a) solids b) liquids c) gases d) space 11) Why are solids good conductors of heat - 2 reasons? a) the particles are far apart b) the particles are touching c) heat energy moves from particle to particle d) heat moves because the energy moves between particles 12) Liquids conduct heat because ........... a) the particles that get hotter move apart and become less dense b) the particles move apart and become more dense c) the less dense particles rise d) the more dense particles rise 13) Which of these statements are true? a) conduction happens in space b) convection and conduction happens in space c) only convection happens in space d) radiation happens in space 14) The opposite of conduction is ....... a) convection b) radiation c) insulation d) digestion 15) Who will be visiting your homes in less than one month? a) Judges from X-factor b) Father Christmas c) Your tutors d) Me

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