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- 1. Multiple ChoiceAfter cooking an egg in boiling water, you cool the egg by putting it into a bowl of cold water. Which of the following explains the egg's cooling process?Temperature is transferred from the egg to the water.Energy is transferred from the water to the egg.Energy is transferred from the egg to the water.Cold moves from the water into the egg.
- 2. Multiple ChoiceWhy do we wear sweaters in cold weather?To keep cold out.To generate heat.To reduce heat loss.All of the above.
- 3. Multiple ChoiceYou pick up a can of soda off of the countertop. The countertop underneath the can feels colder than the rest of the counter. Which explanation do you think is the best?The cold has been transferred from the soda to the counter.There is no heat energy left in the counter beneath the can.Some heat has been transferred from the counter to the soda.The heat beneath the can moves away into other parts of the countertop.
- 4. Multiple ChoiceIf you put a metal spoon and a wooden spoon into a pot of boiling water, one will become too hot to touch. Why?Metals conduct heat better than wood.Wood conducts heat better than metals.Metals pull in heat because heat is attracted to metals.Wood isn't as strong as metals.
- 5. Multiple ChoiceWhen you hold a metal coat hanger in a camp fire to roast a marshmallow, the coat hanger might get too hot to hold. Why might the coat hanger get too hot?The heat radiates along the coat hanger.The heat builds up near the flame until it can't hold it anymore and then moves along the coat hanger.Metal atoms vibrate with more energy when they get hot, and they collide with atoms near them, which makes the neighboring atoms vibrate, too.Since metals melt in fire, they react very strongly to fire and get hot easily.
- 6. Multiple ChoiceAn aluminum plate and a plastic plate have been in the freezer all night long. When you remove them the next morning,the plates have the same temperature.the plastic plate has a higher temperature.the plastic plate has a lower temperature.the aluminum plate has a lower temperature.
- 7. Multiple ChoiceWhen placed in direct sunlight, which object will absorb the most radiation?A black sweaterA white sweaterA snowballAluminum foil
- 8. Multiple ChoiceAs water in a freezer turns into ice,the water absorbs energy from the air in the freezer.the water absorbs the coldness from the air in the freezer.the freezer air absorbs heat from the water.the water neither absorbs nor releases energy.
- 9. Multiple ChoiceIn how many ways does heat move around the universe?OneThreeTwoTen
- 10. Multiple ChoiceHot air moving up is an example ofRadiationConductionMagicConvection
- 11. Multiple ChoiceA microwave oven uses which of the following to heat foods.Microwave elvesRadiationConvectionConduction
- 12. Multiple ChoiceA metal spoon heated by hot soup is an example ofConductionTranspirationConvectionRadiation
- 13. Multiple ChoiceMolecules in cold things move more _________
than in hot things.quicklyslowlyhappilymerrily - 14. Multiple ChoiceThe transfer of heat by currents through liquids of gases is calledPerspirationRadiationConductionConvection
- 15. Multiple ChoiceA fire radiates ________ waves.surfkillerheatcold
- Answer choicesTagsAnswer choicesTags