(Amplify Phase Change)

Front

What are physical properties?

Back

Physical properties can be observed or measured without changing the composition of the matter of the substance. Examples include appearance, texture, color, and odor.

Front

What happens to molecules of a substance when energy is transferred into it?

Back

The molecules of the substance move around each other as they gain energy.

Front

What effect does adding heat to matter have on its particles?

Back

Adding heat causes the particles to move faster and farther apart.

Front

What is the reverse process of condensation?

Back

The reverse of condensation is evaporation.

Front

What is temperature?

Back

Temperature is the measure of average kinetic energy of all the particles within an object.

Front

What are chemical properties?

Back

Chemical properties describe a substance's ability to undergo changes that transform it into different substances.

Front

What is the phase change from solid to liquid called?

Back

The phase change from solid to liquid is called melting.

Front

What is the phase change from liquid to gas called?

Back

The phase change from liquid to gas is called evaporation.

Front

What is sublimation?

Back

Sublimation is the phase change from solid directly to gas without passing through the liquid phase.

Front

What is condensation?

Back

Condensation is the phase change from gas to liquid.