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15
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How does absolute age differ from relative age?
only absolute dating finds the age in years
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15
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How do fossils help us understand Earth's history?
They provide evidence of past life
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15
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What are isotopes?
Atoms of the same element with different numbers of neutrons.
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heart
Other team wins 5 points!
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star
Double points!
Okay!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
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lifesaver
Give 20 points!
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gold
Win 50 points!
Okay!
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shark
Other team loses 15 points!
Okay!
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baam
Lose 25 points!
Oops!
15
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Select the correct eon: * The whole Earth was hot and there were many volcanos.
Hadean eon
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15
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What is the principle of superposition?
The idea that lower rock layers are older than upper layers.
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15
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Define Dendrochronology
The study of tree rings to date events and environmental changes.
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15
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How old is the Earth?
Approximately 4.5 billion years.
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15
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What type of rock is best to use for radiometric dating?
igneous rock
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15
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What is an atom?
The basic unit of matter.
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15
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What is the name of the unit we are about to start?
Diversity of life
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15
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What is a fossil?
Preserved remains or traces of ancient organisms.
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banana
Go to last place!
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gift
Win 20 points!
Okay!
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gift
Win 15 points!
Okay!
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lifesaver
Give 25 points!
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banana
Go to last place!
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rocket
Go to first place!
Okay!
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gift
Win 25 points!
Okay!
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banana
Go to last place!
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15
×
Absolute or Relative? Daniel is older than Paula
Relative
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