2nd Grade Science Unit 2 Force & Motion Study Guide

Front

What is force?

Back

A push or pull on an object.

Front

What happens when you apply force to an object?

Back

It can change the object's speed, direction, or shape.

Front

What is motion?

Back

The change in position of an object over time.

Front

How can you slow down a marble in a marble run?

Back

By making the track flatter.

Front

What does mass mean?

Back

The amount of matter in an object; heavier objects have more mass.

Front

What is gravity?

Back

A force that pulls objects toward each other, like the Earth pulling us down.

Front

What is a ramp?

Back

A sloped surface that helps objects move from a lower to a higher place.

Front

What happens to a seesaw when one side has more weight?

Back

The side with more weight will go down.

Front

What is an example of force changing an object's shape?

Back

Pressing a plastic ball or rolling dough.

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.