5th Grade MGH Chapter 2 Test Review

Front

What is a thermal insulator?

Back

A material that does not conduct heat well, preventing heat transfer. Example: Styrofoam.

Front

What state of matter changes both shape and volume to fill its container?

Back

Gas.

Front

What is a good electrical conductor?

Back

A material that allows electricity to flow easily. Example: Copper.

Front

What type of energy does a radio use and convert into sound and light energy?

Back

Electrical energy.

Front

What energy transfer occurs when a glow stick is activated?

Back

From chemical energy to light energy.

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.

Front

What are the three states of matter?

Back

Solid, liquid, gas.

Front

What is the definition of a conductor?

Back

A material that allows the flow of electric current.

Front

What is the definition of an insulator?

Back

A material that resists the flow of electric current.

Front

What is an example of a good thermal conductor?

Back

Copper.