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Lesson 38 of 84 · Forces
ExperimentBuilding a Marble Run (Part 2)
What You'll Learn
A force is a push or a pull that can make things move, stop, or change direction.
Key Words
- attract
- repel
Materials Needed
- paper clips
- rubber bands
- blocks
- spring scale
- stopwatch
Safety First
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
Steps
Step 1 — Read
Read the introduction. What is this lesson about?
Step 2 — Do
Test a magnet on 10 objects around your house. Make a list of what sticks and what doesn't.
Step 3 — Observe
Look for something that changed. What is it?
Step 4 — Record
Circle the correct answer on your worksheet.
Check Your Understanding
Question 1
1 of 3What is a push?