Science G2 U8 Review

What causes wind?

• differences in air temperature

• thick, dark clouds

• condensation

• sudden, short  storms

How does snow form?

• Ice turns to water vapor.

• Water freezes and the melts.

• Water vapor condenses and freezes.

• Ice condenses and falls from clouds.

What kind of clouds tell us a storm is coming?

• stratus

• cirrus

• cumulus

• vapor

How does water get into clouds?

• It cools.

• It condenses.

• It freezes.

• It  evaporates.

Why can rainstorms be dangerous?

• They can bring lightning and flooding.

• They can cause droughts and fires.

• They can bring too many clouds.

• They can block the sunlight.

Which kind of weather can cause the most damage?

• 
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Rain, sleet, hail,  and snow are all forms of

• clouds.

• temperatures.

• fog.

• precipitation.

Why do people see lightning before they hear thunder?

• People  can see better than they can hear.

• Thunder is farther away than  lightning.

• Light travels faster than sound.

• Dark clouds make lightning easy to see.

Which tool  measures temperature?

• a thermometer

• an anemometer

• a wind sock

• a  ruler

What does it mean when stratus clouds appear?

• The Sun will come out.

• The temperature will  rise.

• There will be rain and snow.

• There will be less wind.