Matter and Energy Review

Front

What happens to water when heat energy is added?

Back

Particles move faster, and temperature increases.

Front

What is the arrangement of particles in a gaseous state?

Back

In a gaseous state, particles are far apart and move freely.

Front

What occurs when water changes from a liquid to gas?

Back

Molecules spread farther apart.

Front

How can the transition from liquid to gaseous state be described?

Back

It is the change from liquid state to gaseous state.

Front

What property of chocolate changes when it melts in the sun?

Back

Its shape changes.

Front

Define matter.

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

How do particles behave in a solid state?

Back

Particles are closely packed and vibrate in place.

Front

What is the definition of energy?

Back

Energy is the ability to do work or cause change.

Front

What is thermal energy?

Back

Thermal energy is the total kinetic energy of particles in a substance.