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Lesson 19 of 84 · Data and Evidence
ExperimentClimate Data: Reading the Past
What You'll Learn
Climate data from ice cores, tree rings, and ocean sediments helps scientists understand past climate patterns and predict future changes.
Key Words
- criteria
- iteration
Materials Needed
- paper clips
- rubber bands
- string
Safety First
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
Steps
Step 1 — Read
Review the background information on Data and Evidence before starting.
Step 2 — Do
Design a device that can protect an egg from a 2-meter drop. You may use paper, tape, straws, and cotton. Test it and improve your design.
Step 3 — Observe
Draw a detailed diagram of what you observe.
Step 4 — Record
Write a conclusion: what did your results show? Did they match your prediction?
Check Your Understanding
Question 1
1 of 3What is wavelength?