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WorksheetsPast Climate Changes on Earth
Total questions: 16
Worksheet time: 18mins
What is the main topic of the passage titled 'Past Climate Changes on Earth'?
According to the passage, what happens when the energy entering and exiting the Earth system are in balance?
The Earth's temperature remains stable.
The Earth's temperature increases.
The Earth's temperature decreases.
The Earth's atmosphere becomes unstable.
Explain how energy balance affects Earth's climate according to the passage 'Past Climate Changes on Earth'.
Energy balance affects Earth's climate by regulating temperature and weather patterns.
Energy balance has no impact on Earth's climate.
Energy balance only affects the climate in polar regions.
Energy balance is unrelated to climate change.
About how many million years ago did Earth's temperature rise suddenly during the Eocene Period?
56 million years ago
34 million years ago
65 million years ago
23 million years ago
What evidence do scientists have that the Arctic was warm during the Eocene Period?
Fossilized tropical plants found in the Arctic
Presence of polar ice caps
Discovery of dinosaur fossils
Evidence of volcanic activity
One possible cause of warming in the Eocene Period is:
volcanic activity
Coup by the alligators of the world
glacial melting
solar minimum
Greenhouse gases like carbon dioxide affect Earth's temperature by:
trapping heat in the atmosphere
reflecting sunlight away from Earth
absorbing harmful UV radiation
cooling the Earth's surface
What happened to the ocean water during the Eocene Period?
The ocean water became warmer.
The ocean water became colder.
The ocean water remained the same temperature.
The ocean water evaporated completely.
What is 'Snowball Earth'?
A period when the Earth was completely frozen
A type of snowball used in winter sports
A fictional planet in a science fiction novel
A type of ice cream flavor
During which period did the Earth experience much colder temperatures, leading to the nickname 'Snowball Earth'?
What are some possible causes of cooling during the Cryogenian Period?
Volcanic eruptions
Changes in ocean currents
Decrease in greenhouse gases
All of the above
What happens when less energy enters the Earth's system than leaves it?
According to the passage, what role did dust clouds play in the Cryogenian Period?
True of False: When less energy enters the Earth system than leaves it. Earth gets warmer.
True
False
True or False: During the Eocene period the oceans of Earth warmed releasing methane gas that had been trapped on the bottom of the ocean.
True
False
True or False: One possible cause of warming in the Eocene Period may have been a large asteroid hitting Earth.
True
False
