42
Lesson 42 of 84 · Earth Systems
ExperimentTypes of Rocks: Metamorphic (Part 2)
What You'll Learn
The carbon cycle describes how carbon moves through atmosphere, biosphere, oceans, and rocks. Human activities like burning fossil fuels add extra carbon to the atmosphere.
Key Words
- sediment
- fossil
- mineral
Materials Needed
- clear container
- rocks
- sand
Safety First
- Tie back long hair before starting the experiment.
- Protect your work surface with newspaper or plastic.
- Adult supervision recommended.
Steps
Step 1 — Read
Look at the vocabulary words and write a definition for each in your own words.
Step 2 — Do
Create a timeline of Earth's history on a 5-meter strip of paper. Place major events (first life, dinosaurs, ice ages, humans) at the correct scale.
Step 3 — Observe
Note any unexpected results and think about why they happened.
Step 4 — Record
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3How do fossils form?