Matter

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and volume, with particles packed tightly together.

Front

What is a liquid?

Back

A liquid is a state of matter that has a definite volume but takes the shape of its container, with particles more spread out than in a solid.

Front

What is a gas?

Back

A gas is a state of matter that has no definite shape or volume, with particles that are very far apart and move freely.

Front

What does it mean for something to have mass?

Back

Mass is the amount of matter in an object, which determines how heavy it is.

Front

What is volume?

Back

Volume is the amount of space that an object or substance occupies.

Front

How can we show that air has mass?

Back

We can show that air has mass by using a balloon; when we inflate it, it becomes heavier.

Front

What happens to the particles in a solid when it is heated?

Back

When a solid is heated, its particles gain energy and move faster, which can cause the solid to melt into a liquid.

Front

What is friction?

Back

Friction is a force that opposes the motion of an object when it comes into contact with another surface.