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Earth's Age Evidence

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Earth's Age Evidence

Earth formation illustration

🤔 THINK (Work Alone - 3 minutes)

1. Why do scientists say Earth is billions of years old? What evidence might they use?

Write your own thoughts below. Don't worry about being "right" - just think!

2. What do you already know about how old Earth is?

👥 PAIR (Work with Partner - 5 minutes)

3. What did your partner say about Earth's age evidence?

Listen carefully and write down your partner's main ideas:

4. What ideas did you and your partner agree on?
5. What new ideas came up during your discussion?

🗣️ SHARE (Class Discussion - 10 minutes)

6. What key points did the class share about Earth's age evidence?

Take notes as other students share their ideas:

7. After hearing everyone's ideas, what do you think is the most convincing evidence that Earth is very old?
8. What questions do you still have about Earth's age?

About This Worksheet

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