Changing state

A piece of granite is an example of a

• gas

• liquid

• solid

• ice

The mixture of gases around you is called...

• air

• liquid

• diesel

• gas

The melting point of ice is .....

• 0⁰ C

• 100⁰ C

• 4⁰ C

• 28⁰ C

If a gas cools down it changes into a liquid in a process called.....

• condensation

• evaporation

• Boiling

• Freezing

The temperature of the remaining liquid drops during this process.No bubbles are formed, it takes place any temperature. This process is....

• Boiling

• Evaporation

• Condensation

• Subliming

Water in the gaseous state is....

• water vapour

• Ice

• gas

• dewdrops

When liquid watergains heat. its temperture ......

• rises

• decrease

• down

• same

The boiling point of water is

• 0⁰ C

• 100⁰ C

• 32⁰ C

• 4⁰ C

How quickly evaporation takes place is called

• The rate of evaporation

• Boiling point

• Melting point

• Freezing point

What happen if you cool a liquid down until it is below its freezing point?

• It changes into a solid

• It changes into liquid

• it changes into a gas

• It changes into water vapour