Types of Rocks: Metamorphic

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

atmosphere
humidity
barometer

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 3

How do fossils form?