43

Lesson 43 of 84 ยท Magnets

Experiment

Static Electricity (Part 2)

What You'll Learn

Static electricity builds up when objects gain or lose electrons through rubbing. Rubbing a balloon on your hair transfers electrons, making the balloon stick to a wall.

Key Words

  • kinetic
  • potential
  • work

Materials Needed

  • string
  • weights
  • tape

Safety First

  • Adult supervision recommended.
  • Do not taste any materials.
  • Wear safety goggles when mixing liquids.

Steps

Step 1 โ€” Read

Look at the vocabulary words and write a definition for each in your own words.

Step 2 โ€” Do

Construct a catapult from popsicle sticks and rubber bands. Launch a marshmallow from different angles and measure the distance. Find the angle that gives the longest launch.

Step 3 โ€” Observe

Draw a detailed diagram of what you observe.

Step 4 โ€” Record

Write a conclusion: what did your results show? Did they match your prediction?

Check Your Understanding

Question 1

1 of 3

What happens when you rub a balloon on your hair?

Static Electricity (Part 2) โ€” Magnets | 3rd Grade Science | LittleActivity | LittleActivity