39
Lesson 39 of 84 · Motion and Forces
ExperimentSimple Machines: Inclined Planes (Part 2)
What You'll Learn
Electromagnets are temporary magnets created by running electricity through a coiled wire. They can be turned on and off and are used in motors, speakers, and MRI machines.
Key Words
- acceleration
- velocity
- force
Materials Needed
- pencils
- toy cars
- ramps
- string
- weights
- tape
Safety First
- Do not mix unknown chemicals together.
- Tie back long hair before starting the experiment.
- Protect your work surface with newspaper or plastic.
Steps
Step 1 — Read
Read and learn: Electromagnets are temporary magnets created by running electricity through a coiled wire. They can be turned on and off and are used in motors, speakers, and MRI machines.
Step 2 — Do
Compare your results with a partner.
Step 3 — Observe
Observe what happens and describe it in detail.
Step 4 — Record
Record your observations in your science journal.
Check Your Understanding
Question 1
1 of 3Which simple machine is a ramp?