59
Lesson 59 of 84 · Forces
ExperimentInclined Planes All Around (Part 2)
What You'll Learn
Sound is caused by vibrations. When you pluck a guitar string, it vibrates and makes sound!
Key Words
- weight
- strong
Materials Needed
- tape
- ruler
- cardboard
- marbles
- paper clips
- rubber bands
Safety First
- Wash hands after handling materials.
- Be careful with scissors — ask an adult for help if needed.
Steps
Step 1 — Read
Look at the picture and read the labels.
Step 2 — Do
Drop a feather and a coin at the same time from the same height. Which hits the ground first?
Step 3 — Observe
Draw a picture of what you observe.
Step 4 — Record
Share your results with a partner.
Check Your Understanding
Question 1
1 of 3Which is a simple machine?