Age of the Earth

How old is the Earth according to the current theory?

• 3.5 billion years old

• 4.5 billion years old

• 5.5 billion years old

• 6.5 billion years old

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Which of the following is NOT evidence of Earth's age and changes?

• Fossils

• Earth's surface features

• Measuring the age of rocks

• Studying the moon's surface

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What has happened to Earth over time?

• It has remained the same

• It has changed or evolved

• It has shrunk in size

• It has become colder

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What are fossils?

• Living organisms

• Preserved remains or traces of organisms

• Types of rocks

• Modern animal bones

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Where are fossils mostly found?

• Igneous rock

• Metamorphic rock

• Sedimentary rock

• Volcanic rock

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Why are fossils found in sedimentary rock?

• They are formed by volcanic activity

• Organisms' remains get trapped between layers of sediment

• They are created by high pressure and heat

• They are deposited by wind

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What can fossils tell us about environmental changes in the past?

• They show us the current climate.

• They provide evidence of past environmental changes.

• They predict future weather patterns.

• They tell us about modern animal behavior.

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How can fossils show us how life forms have changed over time?

• By showing current animal populations.

• By displaying ancient plant life.

• By illustrating changes in species like horses.

• By predicting future animal evolution.

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What do fossils reveal about life forms that no longer exist?

• They show us future species.

• They reveal life forms that lived in the past and went extinct.

• They display current endangered species.

• They predict which species will become extinct.

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NGSS.MS-LS4-1

What evidence do Earth's surface features provide about the past?

• They show that continents were always separate.

• They indicate that continents were once connected.

• They suggest that continents have never moved.

• They prove that continents are shrinking.

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