Earth's Atmosphere

Earth's Atmosphere

Open Ended

What did the Earth first look like?

Open Ended

What did the volcanoes release into the early atmosphere?

Open Ended

What was the first living things on Earth called?

Multiple Choice

The gas which is most abundant in our atmosphere is ......

• Oxygen

• Nitrogen

• Carbon Dioxide

• Argon

Multiple Choice

The Earth's atmosphere contains 21% of gaseous ....

• Nitrogen

• Oxygen

• Argon

• Carbon Dioxide

Multiple Choice

Put these statements into order of time (oldest to most modern)

• 4-2-3-1

• 3-4-2-1

• 2-3-1-4

• 3-4-1-2

Open Ended

What is the greenhouse effect?

Open Ended

What are the names of the greenhouse gases?

Open Ended

What are the effects of the greenhouse effect?