Exploring Earth's History
A worksheet for 3rd graders to learn about Earth's history, including its layers, fossils, and changes over time.
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Exploring Earth's History
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Read each question carefully and answer to the best of your ability. Some questions may ask you to draw or label. Good luck!
1. What is the outermost layer of the Earth called?
Core
Mantle
Crust
Ocean
2. The preserved remains or traces of animals, plants, and other organisms from the past are called .
3. Scientists who study fossils are called .
4. The Earth has always looked exactly the same as it does today.
True
False
5. Dinosaurs lived on Earth millions of years ago.
True
False
6. How do scientists know about animals that lived a very long time ago?
Use the words below to complete the sentences.
7. Long, long ago, all the land on Earth was joined together in one giant landmass called .
8. The seven large land areas on Earth today are called .
9. Sometimes, Earth's history includes times when much of the planet was covered in ice, which we call an .