Solids, Liquids and Gases Retest

Front

What is a solid?

Back

A solid is a state of matter that has a definite shape and volume. The particles in a solid are closely packed together and vibrate in place.

Front

What is a liquid?

Back

A liquid is a state of matter that has a definite volume but no definite shape. The particles in a liquid are close together but can slide past each other.

Front

What is a gas?

Back

A gas is a state of matter that has neither a definite shape nor a definite volume. The particles in a gas are far apart and move freely.

Front

What is temperature?

Back

Temperature is a measure of the average kinetic energy of the particles in an object.

Front

What is kinetic energy?

Back

Kinetic energy is the energy an object has due to its motion.

Front

What happens to particles in a solid when heated?

Back

When a solid is heated, its particles gain energy and vibrate faster, which can cause the solid to melt into a liquid.

Front

What happens to particles in a liquid when heated?

Back

When a liquid is heated, its particles gain energy and move faster, which can cause the liquid to evaporate into a gas.

Front

What is the difference between a liquid and a gas?

Back

A liquid has a definite volume but no definite shape, while a gas has neither a definite shape nor a definite volume.

Front

What is an example of a solid?

Back

An example of a solid is ice.

Front

What is an example of a liquid?

Back

An example of a liquid is water.