Eureka 16, 17 and 18

Front

What is the process called when water changes from liquid to gas?

Back

Evaporation is the process where water changes from a liquid state to a gas state.

Front

What causes liquid molecules to move more easily?

Back

Liquid molecules move more easily due to their ability to slip and slide freely.

Front

Why does water in a goldfish bowl need to be refilled?

Back

Water in a goldfish bowl needs to be refilled because it evaporates over time.

Front

What do liquids take the form of?

Back

Liquids take the form of whatever container you put them in.

Front

What scientific word is used for 'little lump'?

Back

The scientific word for 'little lump' is 'Molecule'.

Front

What is the definition of a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What is condensation?

Back

Condensation is the process where gas changes into a liquid.

Front

What is the difference between evaporation and boiling?

Back

Evaporation occurs at any temperature, while boiling occurs at a specific temperature called the boiling point.

Front

What happens to the temperature of water when it evaporates?

Back

The temperature of water decreases when it evaporates because the molecules with the highest energy escape first.

Front

What is the term for the change of state from solid to liquid?

Back

The change of state from solid to liquid is called melting.