Gr-7-CLE- Revision

we predict heavy rainfall in the next 48 hours- what does this statement predict?

• climate

• weather

• global warming

select the factors that will affect the rate of evaporation.

• temperature

• exposed surface area

• person conducting the evaporating process

• humidity

There are....................... climate zones

• ten

• nine

• eight

• six

select the activities that can help reduce the green house effect

• car pooling

• using alternate energy resources

• keeping the light on always

• taking shorter showers

Sub atomic particles a,b and c are.....

• electron, neutron, proton

• proton, electron ,neutron

• proton, neutron, electron

• neutron, proton, electron

which climate zone has been shown here?

• temperate

• arid

• Mediterranean

• tundra

the presence of .............................. in a diamond makes it yellow

• chlorophyll

• nitrogen

• chlorine

• carbon

identify the fossil fuel from the options given below

• paper

• wax

• compressed natural gas

• matchstick

choose all the options that are applicable to green house gases

• carbon dioxide, methane and water vapour

• these gases trap sun's heat

• green house gases help in regulating the temperature

• green house gases can help in population control

we can study the pollen remains, fossils and rocks carried by glaciers to predict early earth's climate

• true

• false