Earth History Worksheet
Explore the history of Earth, from its formation to the development of life, with this Grade 7 science worksheet.
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Earth History Exploration
Name:
Date:
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Read each question carefully and answer to the best of your knowledge. Use complete sentences for short answer questions.
1. What is the approximate age of Earth?
1 billion years old
4.5 billion years old
10 million years old
2.5 trillion years old
2. Which of the following is NOT a characteristic of Earth's early atmosphere?
Rich in oxygen
Contained water vapor
High in carbon dioxide
Contained nitrogen
3. The is a timeline that organizes the major events in Earth's history.
4. The preserved remains or traces of organisms from the past are called .
5. Describe how scientists use radiometric dating to determine the age of rocks.
6. The first forms of life on Earth were complex multicellular organisms.
True
False
7. Plate tectonics has played a significant role in shaping Earth's continents and oceans over geological time.
True
False
8. Observe the diagram of Earth's layers below. Label each layer and briefly describe its composition.
Layer 1 (Outer):
Layer 2 (Middle):
Layer 3 (Inner):