Energy Test Review

Which best explains why a bowl becomes warm after holding hot soup?

• The heat is radiated from the soup to the bowl.

• The heat is returned to the bowl once the soup is cooled.

• The heat moves through convection from the soup to the bowl.

• The heat moves through conduction from the soup to the bowl.

Why is copper often used to line the bottom of cookware?

• Copper cools quickly.

• Copper is inexpensive.

• Copper is a good insulator.

• Copper is a good conductor.

The original source of energy for all living things comes from which of the following?

• Decomposers, which provide energy for consumers

• The sun, which provides energy for producers

• Consumers, which provide energy for consumers

• Humans, which create energy from solar, wind, water, etc.

How does the sun warm a person's face?

• through evaporation

• through conduction

• through convection

• through radiation

How can energy be moved?

• Through convection

• Through radiation

• Through conduction

• All of these

Which causes surface water in a lake to heat up during the hot summer?

• conduction

• convection

• evaporation

• radiation

What may cause cooling to occur?

• As thermal energy leaves an object

• As cold energy leaves an object

• As thermal energy increase

• As cold energy increases

When a warm plate is placed onto a cool counter, which most likely occurs?

• The plate gains heat and the countertop gains heat.

• The plate loses heat and the countertop gains heat.

• The plate gains heat and the countertop loses heat.

• The plate loses heat and the countertop loses heat.

How do a wooden spoon and a metal spoon react when placed into a pot of hot soup?

• Neighter spoon gets hot because heat does not transfer through metal or wood.

• Both spoons will quickly become hot because heat transfers through all materials equally.

• The metal spoon gets hot sooner because heat transfers more easily through metal than wood.

• The wooden spoon gets hot sooner because heat transfers more easily through wood than metal.

Which best describes an example of conduction?

• a heater warming a room

• water boiling in a pot on a stove

• an ice cube melting in a cup of hot chocolate

• cold water moving toward the bottom of a swimming pool