ALL of Q1!

Front

Why does ice float?

Back

Solid water is less dense than liquid water.

Front

Which direction is heat flowing when touching ice?

Back

From the hand to the ice.

Front

Why does water move from the roots to the leaves of plants?

Back

Capillary action caused by both cohesion and adhesion pulls the water up the plant stem.

Front

What is the process of solid turning into a liquid called?

Back

Melting.

Front

Why does steam form when hot lava enters a river?

Back

The lava increases the temperature of the river water.

Front

What is density?

Back

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

Front

What is cohesion?

Back

Cohesion is the attraction between molecules of the same substance.

Front

What is adhesion?

Back

Adhesion is the attraction between molecules of different substances.

Front

What is capillary action?

Back

Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of external forces.

Front

What happens during evaporation?

Back

Evaporation is the process where liquid turns into gas.