Front

What is density?

Back

Density is the amount of matter in a given space of volume.

Front

Are most physical changes reversible?

Back

True, most physical changes are easily reversible.

Front

What are physical properties?

Back

Physical properties are properties that can be observed without changing the matter's identity.

Tags

NGSS.MS-PS3-4

Front

What are the three states of matter?

Back

The three states of matter are solids, liquids, and gases.

Front

Which state of matter has a definite shape and volume?

Back

Solid.

Front

Which state of matter takes the shape of its container but has a definite volume?

Back

Liquid.

Front

Which state of matter has no definite shape or volume?

Back

Gas.

Tags

NGSS.MS-PS1-4

Front

What happens to the particles in a solid?

Back

In a solid, particles are closely packed together and vibrate in place.

Tags

NGSS.MS-PS1-1

Front

What happens to the particles in a liquid?

Back

In a liquid, particles are close together but can move past each other.

Tags

NGSS.MS-PS1-4

Front

What happens to the particles in a gas?

Back

In a gas, particles are far apart and move freely.