Science - Final revision G3- 2nd term

………… is made of sandbags that keep water away from houses

• Lightning rod

    

• Boards

•    Flood wall

Most of Earth’s water is ……………..

• salty

• fresh

• hot

What activity releases carbon dioxide gas ?

• Playing with a toy

      

• Reading a book

• Burning fuel

      

……….. is a greenhouse gas .

     

• Hydrogen

• Carbon dioxide

• Oxygen

……… is used to measure the air pressure .

   

• Barometer

• Hygrometer

• Thermometer

………… is the height above the sea level .

• Mountain

• Valley

• Elevation

………….. is when water changes from liquid to gas.

    

• Evaporation

• Condensation

• Precipitation

A region with very cold climate is ………..

• Tropical climate

• Temperate climate

• Polar climate

…………. is the blanket of air that wraps around the planet.       

• Atmosphere

• Temperature

• Weather

The imaginary line around the middle

of the planet is called equator

• True

• False