4th Grade- 2nd 9 Weeks District Assessment Review

Front

What is a conductor?

Back

A conductor is a material that allows electric energy to flow through it, such as metals like copper.

Front

What is an insulator?

Back

An insulator is a material that does not allow electric energy to flow through it, such as rubber or plastic.

Front

What is a closed circuit?

Back

A closed circuit is a complete electrical circuit through which current can flow.

Front

What is an open circuit?

Back

An open circuit is a broken electrical circuit where current cannot flow.

Front

How does sound travel?

Back

Sound travels through the air in sound waves.

Front

What is the difference between loud and soft sounds?

Back

Loud sounds have a high amplitude, while soft sounds have a low amplitude.

Front

What season is characterized by warmer temperatures and longer daylight hours?

Back

Summer is characterized by warmer temperatures and longer daylight hours.

Front

What season does the southern hemisphere experience when the northern hemisphere is in summer?

Back

The southern hemisphere experiences winter when the northern hemisphere is in summer.

Front

What is the role of a paperclip in a circuit?

Back

A paperclip acts as a conductor that allows electric energy to flow through.

Front

What are sound waves?

Back

Sound waves are vibrations that travel through air, water, or solids.