What do we call the temperature, winds, and other conditions of the atmosphere?
weather
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True or False: Dinosaurs were the most important animal group during the Mesozoic era for nearly 200 thousand years.
False. Dinosaurs were there for 200 million years!
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True or False: The first mammals appeared at about the same time as dinosaurs.
True
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Describe how the continents changed during the Phanerozoic eon.
During the Phanerozoic eon, animals became common, and the continents drifted together to form the supercontinent Pangaea, which later split into the continents
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True or false: Most fossils are found in layers of igneous rock.
False. sedimentary rock
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What happens to air when it moves from high pressure to low pressure?
It moves from areas where air pressure is high to areas where air pressure is low.
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What significant events occurred during the Hadean eon?
During the Hadean eon, the Earth was hot, had many volcanoes, and experienced collisions with comets and meteors. There was no oxygen in the atmosphere.
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How old is the Earth?
Dating by radioactivity shows that the Earth is about 4600 million years old.
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Who measures the conditions that describe the weather?
Meteorologists
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monster
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What do we call strong winds and heavy rainfall?
storms
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What forms when air rises and cools?
clouds
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True or False: A fossil is the remains of a living thing that has been preserved for millions of years.
