Energy Transformation

Front

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

Back

chemical energy to mechanical energy

Front

What is the energy transformation that occurs in an electric pencil sharpener?

Back

electrical energy to mechanical energy

Front

Which object shows an energy transformation from electrical to mechanical?

Back

Front

What type of energy transformation occurs in an electric fan?

Back

electrical energy to mechanical energy

Front

What type of energy transformation occurs in an electric hot that is turned on?

Back

electrical energy to thermal energy

Front

The use of which of the following resources would be most affected by changes in weather? Options: wind, geothermal, natural gas, nuclear

Back

wind

Front

What energy transformation occurs from the fuel to the movement of a car?

Back

chemical energy to thermal energy to mechanical energy

Front

Disadvantage of using solar energy: releases carbon dioxide into the atmosphere, reduces the need for electricity from fossil fuels, produces energy only when the sun is shining, is an unclean source of energy.

Back

produces energy only when the sun is shining

Front

Which of the following is a true statement about using different energy resources?

• Wind power is an expensive, non renewable source of energy for the production of electrical energy
• Solar power is a clean, renewable source of energy used in the production of electricity
• Coal is a safe effective renewable source of energy used in the production of electricity
• Nuclear power is a cost effective, nonrenewable energy resource that leaves behind no waste

Back

Solar power is a clean, renewable source of energy used in the production of electricity

Front

Which energy transformation occurs when a lamp plugged into a wall socket functions correctly? Options: Chemical to light, Electrical to chemical, Electrical to light, Chemical to electrical

Back

Electrical to light