2024 Science Review #5

Which picture shows light behaving correctly?

• A

• B

• C

• D

This picture is an example of

• conduction

• convection

• radiation

This picture is an example of ______.

• conduction

• convection

• radiation

Heat is the transfer of thermal energy from ______.

• hot to cold

• inside to outside

• outside to inside

What happens during a chemical reaction?

• All substances keep their original properties

• No new substances are formed

• Only metals retain their original properties

• Molecules break apart and rearrange to form new substances

What instrument would you use to detect an endothermic or exothermic reaction?

• thermometer

• digital scale

• cup with a lid

• hand warmer

Which are good examples of conductors?

• copper, rubber, cotton

• copper, aluminum, steel

• plastic, wood, rubber

• plastic, aluminum, rubber

When particles become warmer, they ______.

• collide less

• move slower

• lose energy

• move faster

How does heat transfer by radiation differ from conduction and convection?

• It does not require a medium

• It only occurs in liquids and gases

• It is the slowest method of heat transfer

• It can only occur between objects with a large temperature difference

When a campfire is burning heat is released. This is an example of ...

• an exothermic reaction

• an endothermic reaction

• conduction

• radiation