Science Grade 5 - Changing states

The change of water into a gas at its boiling point is...

• Melting

• Boiling

• Evaporating

• Condensing

The boiling point of water is....

• 50°C

• 0°C

• 100°C

• 10°C

The activity above is the process of ..............

• Condensation

• Perspiration

• Aspiration

• Evaporation

The rate of evaporation depends on the following, EXCEPT...

• The width of space

• The temperature of the surroundings

• The presence of wind

• The surface area

Which statement about evaporation is wrong;

• It takes place at any temperature

• It takes place at the surface of the liquid

• No bubbles are formed

• It takes place at the boiling point

The change of a gas into a liquid is called....

• Perspiration

• Absorption

• Condensation

• Evaportion

The mist on the cup is happened when it comes into contact with the............. of the surrounding

• Hot water

• Cool air

• Warm Air

• Cool water

When the water vapour comes into contact with the cold outer surface of a glass, it loses ........... to the glass

• Liquidity

• Heat

• Coldness

• Water droplets

The picture above is another example of ............process

• Water vapour

• Dewdrops

• Condensation

• Evaporation

The water cycle is driven by .................... from the Sun

• Tiny water

• Heat energy

• Water droplets

• Snow