Climate/Oceans/Weather Unit Review

What is the ultimate source of energy for all things on Earth (such as photosynthesis, winds, currents, heat transfer, etc.)?

• moon
• earth's gravity
• sun
• earth's position in the solar system

Heat transfer toward the Earth from the sun is most concentrated at the equator which causes the air and the water to __________ and _________.

• warm up and rise
• cool down and sink
• neither of these are correct

Warm air ___________ because it is __________ dense.

• sinks, less
• rises, less
• sinks, more
• rises, more

Cold air _________ because it is _________ dense.

• sinks, more
• sinks, less
• rises, more
• rises, less

Heat transfer through fluids is called

• radiation
• convection
• conduction
• none of these

True or False:  Convection is involved in the circulation of air and water because warm replaces cold and cold replaces warm. 

• true
• false

___________ is the amount of matter in an object.

• Density
• Mass
• Velocity
• Energy

Convection currents and ____________ are created by the unequal heating of Earth's surface.

• tides
• wind
• cold fronts
• high pressure areas

You can expect the following type of weather after a cold front passes through your area:

• fair, clear, cooler temperatures
• rainy, overcast, warm temperatures
• sunny, clear, hot warm temperatures
• rainy, humid, warm temperatures

Blue triangles on a weather map are used to indicate a

• warm front
• cold front
• low pressure area
• high pressure area