8
Lesson 8 of 84 ยท Forces
LessonSimple 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
- direction
- force
- energy
Steps
Step 1 โ Read
Read the introduction and identify the main idea of this lesson.
Step 2 โ Do
Test Newton's Third Law: blow up a balloon, attach it to a straw on a string, and release. Measure how far it travels with different amounts of air.
Step 3 โ Observe
Observe what happens and describe it in detail.
Step 4 โ Record
Record your observations in your science journal with measurements and descriptions.
Check Your Understanding
Question 1
1 of 3Which simple machine is a ramp?
