Understanding Energy Transformations

Which of the following is an example of energy being stored in a chemical form?

• A moving car

• A charged battery

• A flowing river

• A lit light bulb

Tags

VA.PS.5.a

What type of energy transformation occurs when a toaster is used to toast bread?

• Electrical to thermal

• Chemical to electrical

• Mechanical to thermal

• Thermal to chemical

Tags

VA.PS.5.b

Which of the following is an example of energy being stored in a gravitational form?

• A compressed spring

• A book on a shelf

• A running engine

• A lit candle

Tags

VA.PS.5.a

When a wind turbine generates electricity, what type of energy transformation is taking place?

• Thermal to electrical

• Mechanical to electrical

• Chemical to mechanical

• Electrical to mechanical

Tags

VA.PS.5.b

Which of the following is an example of energy being stored in an elastic form?

• A stretched rubber band

• A hot cup of coffee

• A rolling ball

• A glowing light bulb

Tags

VA.PS.5.a

How is energy transformed in a hydroelectric power plant?

• Chemical to thermal

• Mechanical to electrical

• Thermal to mechanical

• Electrical to chemical

Tags

VA.PS.5.b

Which of the following is an example of energy transformation to meet societal needs?

• A solar panel converting sunlight to electricity

• A rock sitting on a hill

• A battery losing charge over time

• A car parked in a garage

Tags

VA.PS.5.c

What type of energy transformation occurs in a coal-fired power plant?

• Chemical to thermal to electrical

• Mechanical to chemical to thermal

• Electrical to mechanical to thermal

• Thermal to chemical to electrical

Tags

VA.PS.5.b

Which of the following is an example of energy being transformed to meet societal needs?

• A wind-up toy being wound

• A dam storing water

• A nuclear reactor generating electricity

• A flashlight turned off

Tags

VA.PS.5.c

In what way is energy stored in a hydroelectric dam?

• Chemical energy in the water

• Gravitational potential energy

• Thermal energy from the sun

• Electrical energy in the turbines

Tags

VA.PS.5.a