Natural Resources and Conservation (Part 2)

What You'll Learn

Natural resources include materials from Earth that people use. Renewable resources (trees, solar energy) can be replenished. Nonrenewable resources (coal, oil) are limited.

Key Words

fossil
mineral
climate

Materials Needed

rocks
sand
clay
water
plastic tray

Safety First

Use materials only as directed in the experiment.

Steps

Step 1 — Read

Study the diagram and label the parts you recognize.

Step 2 — Do

Build a working model of a volcano using baking soda and vinegar. Observe the eruption and explain what causes real volcanic eruptions.

Step 3 — Observe

Compare the before and after states.

Step 4 — Record

Write your conclusion: did the results match your hypothesis? What would you change next time?

Check Your Understanding

Question 1

1 of 3

What is a natural resource?