How the world works :End of Unit assessment

Which sphere can be described as the solid exterior and interior of Earth?

• Biosphere

• Geosphere

• Hydrosphere

• Atmosphere

Which describes all of the water on Earth, solid, liquid, and gas?

• Geosphere

• Hydrosphere

• Atmosphere

• Biosphere

The biosphere contains

• All life on Earth

• All life, except bacteria

• All plant life

• Animal life and plant life

The most abundant gas in the atmosphere is___.

• nitrogen

• oxygen

• hydrogen

• carbon dioxide

What is not a function of atmosphere ??

• keeps us warm

• allow organisms to cycle oxygen

• contains all the life on earth

• allow organisms to cycle carbon dioxide

As you travel from the inner core to the crust, how would temperature, pressure and density of the material change?

• They would all increase.

• They would all decrease.

• Nothing, the layers are made of the same material throughout.

• Temperature would decrease, but pressure and density would increase.

Who is the person credited with developing the theory of continental drift?

• Harry Hess
• Galileo
• Alfred Wegener
• Newton

What is this a picture of?

• Glaciers

• Earth's mantle

• Nebraska

• Pangea

Wegener noticed that fossils of the an extinct reptile, Mesosaurus, were found in areas of both South America and South Africa. This let him to conclude that

• South America and Africa must have been connected at one point.

• Mesosaurus evolved two different times in two different continents .

• There must be a large land bridge connecting the two continents .

• Mesosaurus swam across the Atlantic ocean.

Contains the Ozone Layer.

• Troposphere

• Stratosphere

• Mesosphere

• Thermosphere

• All of the above.