Science Assessment

a) Water starts to boil at ________ ^oC.

a) The temperature at which water changes from liquid to a solid is called ____________________.

a) ____________ is used to keep sea food fresh.

a) Rotting of fruit is a __________ change.

____________ is used in making laughing gas.

Which layer of the atmosphere is closest to the ground?

• mesosphere

• stratosphere

• troposphere

• exosphere

The amount of water vapour in the air is called________

• pressurre

• mildness

• humidity

• greenhouse effect

Which layer contains the ozone layer?

• mesosphere

• stratosphere

• troposphere

• thermosphere

Which is the common name for the solid state of matter?

• liquid

• rain

• steam

• ice

Clouds are produced through the process called________

• radiation

• precipitation

• condensation

• evaporation