Earth's Changing Surface ReadWorks

What did people in Europe during the Middle Ages believe about the earth?

• Earthquakes are caused by humans.

• Volcanoes are a new phenomenon.

• Mountains and valleys have always been there.

• The earth changes frequently.

What did people in the Middle Ages think caused natural catastrophes?

• Scientific reasons

• Punishments from God

• Changes in the earth

• Human activities

What did scientists in the 1700s and 1800s notice about Earth's surface?

• It changes over time.

• It is flat.

• It never changes.

• It changes very quickly.

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What evidence did scientists find that showed sea levels had changed?

• Fossils in the ocean

• Layers of rock on mountain peaks

• Volcanic eruptions

• Earthquakes

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What are sediments?

• Tiny pieces of broken down rocks

• Big rocks

• Fossils

• Volcanic lava

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What did scientists observe about volcanic lava?

• It is always red-hot.

• It causes earthquakes.

• It forms new rocks when it cools and hardens.

• It never cools down.

What is geology?

• The study of the earth and its processes

• The study of plants

• The study of the stars

• The study of animals

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Why are rocks important in geology?

• They are very old.

• They hold clues to how Earth's surface has changed over time.

• They are easy to find.

• They are colorful.

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What do fossils provide information about?

• The future of the earth

• The history of the earth

• The weather

• The stars

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What did scientists in the 1700s and 1800s believe about Earth's surface?

• It was always the same.

• It had changed in the past and was changing in the present.

• It was flat and unchanging.

• It was created by humans.