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Lesson 8 of 84 ยท Energy

Lesson

Simple 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

  • acceleration
  • velocity
  • force

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 3

Which simple machine is a ramp?

Simple Machines: Inclined Planes โ€” Energy | 7th Grade Science | LittleActivity | LittleActivity