Science Unit 3 Review

Front

What type of energy is used when riding a bicycle?

Back

Mechanical energy is the energy used when riding a bicycle.

Front

What happens when the same poles of two magnets face each other?

Back

The same poles facing each other repel each other.

Front

How can you investigate how pushing affects the motion of a toy car?

Back

You can push the car with different strengths and measure how far it goes.

Front

What is gravity?

Back

Gravity is the force that pulls objects toward each other, like how the Earth pulls us down.

Front

What does a pull do?

Back

A pull moves things closer to you.

Front

What is an example of mechanical energy?

Back

Riding a bicycle is an example of mechanical energy.

Front

What happens when you drop a ball?

Back

The ball falls to the ground due to gravity.

Front

What is the effect of pushing a toy car?

Back

Pushing a toy car makes it move.

Front

What is the difference between a push and a pull?

Back

A push moves things away from you, while a pull moves things closer to you.

Front

What is an example of gravity at work?

Back

An example of gravity at work is an apple falling from a tree.