8
Lesson 8 of 84 · Energy
ExperimentSimple Machines: Inclined Planes
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
- kinetic energy
- potential energy
Materials Needed
- cardboard
- marbles
- paper clips
- rubber bands
- blocks
- spring scale
Safety First
- Use materials only as directed in the experiment.
- Keep small objects away from young children.
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
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?