Earth's Dynamic History
Explore the geological timeline, major eras, and significant events that shaped Earth's history.
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Earth's Dynamic History
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Read each question carefully and answer to the best of your ability. Use the provided space for your responses.
1. Which of the following is the longest division of geological time?
Period
Epoch
Eon
Era
2. The Mesozoic Era is known as the age of what animals?
Mammals
Dinosaurs
Fish
Insects
3. The first forms of life on Earth were likely organisms.
4. The supercontinent that existed approximately 335 million years ago was called .
5. Explain how scientists use fossils to understand Earth's past.
6. The Earth's continents have always been in their current positions.
True
False
The image below shows a geological timeline. Use it to answer the following question.
7. Based on the geological timeline, what major event marks the boundary between the Paleozoic and Mesozoic Eras?
Use the words from the word bank to complete the sentences below.
8. The movement of Earth's crustal plates is explained by the theory of .
9. Many fossils are found in rocks.