NGSS 4th Grade Vocabulary Cards

Front

What is energy?

Back

Energy is the ability to do work.

Front

What is a Rube Goldberg Machine?

Back

A complex contraption that performs a simple task, such as pouring a glass of lemonade.

Front

What happens when one object runs into another?

Back

Energy is transferred.

Front

What is a collision?

Back

When one object runs into another.

Front

What is contact?

Back

When two objects touch each other.

Front

What does it mean if an object is stationary?

Back

The object is not moving.

Front

What does a generator do?

Back

Changes energy from one form to another.

Front

What do batteries do?

Back

Store energy and change it from one form to another.

Front

What do solar cells do?

Back

Convert energy of sunlight into electrical energy.

Front

What is motion energy?

Back

The energy something has due to movement.