Energy and Energy Efficiency

Front

Solar photovoltaic panels on homes and other building areas create?

Back

Electrical energy

Front

The law of conservation of energy states that when one form of energy is converted into another,

Back

no energy is destroyed in the process

Front

Heat energy is also called ______ energy.

Back

thermal

Front

The process of energy changing from one form into another

Back

energy transformation

Front

A material that reduces or prevents the transfer of energy.

Back

insulator

Front

A material that transfers energy easily.

Back

conductor

Front

To increase the EFFICIENCY of energy use, we could...

Back

Turn off lights when not in use

Front

Efficiency is...

Back

The percentage of energy that is actually used to do work

Front

Leaving lights on in vacant rooms, washing clothes in hot water, and driving alone are examples of what?

Back

low energy efficiency

Front

This energy comes from heat, such as geysers, beneath earth’s surface.

Back

Geothermal