Forms of Energy Quiz

Caleb is holding a metal block in his hand. What could he do to decrease the thermal energy of the block?

• cool it

• drop it

• hit it

• melt it

An object has a type of energy due to the movement of electrons. Which type of energy is it?

• chemical

• electrical

• mechanical

• thermal

Chemical energy can be used to produce kinetic energy. Which activity is an example of using chemical energy to produce energy of motion (kinetic energy)?

• flying a kite

• using gasoline to run an engine

• using a magnet to pick up a steel nail

• turning on a light switch

Jacob has a thermometer that is at room temperature. He places it in the glass shown here. Which reasoning supports the claim about what will happen to the liquid in the thermometer?

• An increase in thermal energy will cause the liquid to expand.

• An increase in thermal energy will cause the liquid to contract.

• A decrease in thermal energy will cause the liquid to expand.

• A decrease in thermal energy will cause the liquid to contract.

The water in a swimming pool tends to be warmer in the daytime and cooler at night. What natural source of energy causes this temperature difference?

• chemical energy

• sound energy

• mechanical energy

• solar energy

Natasha set up two identical solar cookers. After 25 minutes, she recorded the temperatures shown below. Based on the evidence in the picture, what claim can Natasha make?

• A solar cooker cannot cook food safely.

• A solar cooker does not heat up as quickly in the shade.

• Different kinds of food cook at different times in a solar cooker

• It takes longer than 15 minutes to heat something in a solar cooker