Bundle 4: 8th Grade

If you are sitting on the beach during the day enjoying a cool breeze, which way will it be blowing?

• from sea to land
• from land to sea
• from north to south
• from east to west

All energy on earth begins

• with the heat produced by pressure inside the earth
• photosynthesis by producers
• with the sun
• with the magma inside the earth

Wind is created when the 

• sun heats the Earth evenly
• sun heats the Earth unevenly

Warm air is ______ dense than cold air

• less
• more

Warm air ______ .

• rises
• sinks

Which heats and cools  the fastest?

• land
• sea
• both are the same rate
• air

A front is

• where warm air is cooling at earth's surface
• a line where hot and cold air are separating
• a line where two different air masses meet
• where cold air is rising and forming rain clouds

The symbol on a weather map for a cold front is what?

• a line with triangles on it
• a line with semi-circles on it
• a line with squares on it
• a line with circles on it

If an air mass is rising, it must be

• cold and less dense
• cold and more dense
• warm and more dense
• warm and less dense

If an air mass is sinking, it must be

• cold and less dense
• cold and more dense
• warm and more dense
• warm and less dense