Flashcard #4 - States of Matter

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What are the three main states of matter?

Back

Solid, Liquid, Gas.

Front

Which state of matter has the least amount of energy?

Back

Solid.

Front

Which state of matter has particles that are always in motion?

Back

All states of matter have particles that are always in motion.

Front

What is thermal energy?

Back

Heat energy.

Front

How do particles behave in a solid?

Back

Particles are closely packed together and vibrate in place.

Front

How do particles behave in a liquid?

Back

Particles are close together but can move past one another.

Front

How do particles behave in a gas?

Back

Particles are far apart and move freely.

Front

What happens to the energy of particles when a substance is heated?

Back

The energy of the particles increases.

Front

What happens to the energy of particles when a substance is cooled?

Back

The energy of the particles decreases.