Momentum and Collisions (Part 3)

What You'll Learn

Momentum is mass times velocity. A heavy truck moving slowly can have the same momentum as a light car moving fast. Momentum is conserved in collisions.

Key Words

kinetic
potential

Steps

Step 1 — Read

Read about Forces and write down three key facts.

Step 2 — Do

Test Newton's Third Law: blow up a balloon, attach it to a straw on a string, and release. Measure how far it travels with different amounts of air.

Step 3 — Observe

Watch carefully for any changes and note the time.

Step 4 — Record

Create a data table to organize your measurements.

Check Your Understanding

Question 1

1 of 3

What do magnets have?