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

How do particles behave in a solid?

Back

Particles in a solid are tightly packed and vibrate in place.

Front

How do particles behave in a liquid?

Back

Particles in a liquid are close together but can move freely around each other.

Front

How do particles behave in a gas?

Back

Particles in a gas are far apart and move freely at high speeds.

Front

What happens to water when heat is added?

Back

When heat is added to water, it can change from a liquid to a gas (evaporation).

Front

What is density?

Back

Density is the mass of a substance divided by its volume.

Front

Which state of matter has the highest density?

Back

Generally, solids have the highest density, but among liquids, honey is denser than water.

Front

What are physical properties?

Back

Physical properties are characteristics of a substance that can be observed or measured without changing its identity.

Front

What is melting point?

Back

Melting point is the temperature at which a solid becomes a liquid.