Solar Energy and Panels

What You'll Learn

A force is a push or pull that can change an object's motion, shape, or direction. Forces are measured in Newtons and can act through contact or at a distance.

Key Words

wedge
screw
wheel and axle

Materials Needed

pencils
toy cars
ramps

Safety First

Do not look directly at the sun or bright lights.

Steps

Step 1 — Read

Read and learn: A force is a push or pull that can change an object's motion, shape, or direction. Forces are measured in Newtons and can act through contact or at a distance.

Step 2 — Do

Conduct the experiment by following the instructions.

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 gravity?