Energy Transformations (Part 3)

What You'll Learn

Renewable energy sources like solar, wind, and hydroelectric power can be replenished naturally. Nonrenewable sources like fossil fuels take millions of years to form.

Key Words

electromagnetic
circuit

Materials Needed

blocks
spring scale
stopwatch

Safety First

Dispose of materials properly after the experiment.
Handle glass items carefully to avoid breakage.
Do not mix unknown chemicals together.

Steps

Step 1 — Read

Read and learn: Renewable energy sources like solar, wind, and hydroelectric power can be replenished naturally. Nonrenewable sources like fossil fuels take millions of years to form.

Step 2 — Do

Measure and record your data in a table.

Step 3 — Observe

Note any unexpected results.

Step 4 — Record

Share your findings with the class or a partner.

Check Your Understanding

Question 1

1 of 3

What is momentum?