Atmosphere

What is the order of the layers of the Earth

• Crust, Inner core, Mantle, Outer core

• Mantle, Crust, Inner core, Outer core

• Outer core, Inner core, mantle, crust

• Crust, Mantle, Outer core, Inner Core

What is the correct percentages of each gas in the current atmosphere

• Nitrogen 78%, Oxygen 21%, Other gases 1%

• Nitrogen 50%, Oxygen 49%, Other gases 1%

• Nitrogen 60%, Oxygen 30%, Other gases 10%

What was the main cause of the EARLY Atmosphere?

• Dinosaurs

• Volcanoes

• Earthquakes

• Humans

What were the 4 main gases given out by volcanoes in the Early atmosphere. Select all that apply.

• Carbon Dioxide

• Oxygen

• Methane

• Water vapour

• Ammonia

What is the main factor that increases the amount of Oxygen in the atmosphere?

• Photosynthesis

• Combustion

• Deforestation

Which planets are said to be most like Early Earth?

• Jupiter & Saturn

• Mars & Mercury

• Uranus & Neptune

• Mars & Venus

The annual average increase in Earths surface temperature is know as......

• Greenhouse Effect

• Climate Change

• Global Warming

• Pollution

How is it thought that the Oceans were formed?

• Water being produced by photosynthesis.

• Water vapour condensed as Earth cooled.

• Water under the ground rose to the surface.

• It was already there when Earth was formed.

How is Carbon Dioxide removed from the atmopshere?

• Photosynthesis

• Dissolves in Oceans

• Trapped in fossil fuels

• Trapped in sedimentary rocks

• All of the above

What does Sulfur dioxide cause?

• Global warming

• Greenhouse effect

• Acid rain

• Global dimming