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Unit 2: Forces at a distance
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Why does the moon orbit around the earth? How does a compass work? Here, you'll learn about forces that occur across a distance when objects are not touching each other. Explore gravitational, magnetic, and electric forces, how they affect objects, and how electromagnetism can be used to create magnets and electricity.
If everything has gravity, why don't objects orbit me?
Practice
- Understand: gravitational forcesGet 3 of 4 questions to level up!
Make science come alive in your classroom with this free hands-on activity aligned to middle school NGSS standards.
Why do my socks stick together when I take them out of the dryer?
Practice
- Understand: electric forcesGet 3 of 4 questions to level up!
It's true, opposites attract! If they're magnetic poles.
Practice
- Understand: magnetic forcesGet 3 of 4 questions to level up!
How can Earth keep the Moon in orbit if they never touch?
Practice
- Understand: fieldsGet 3 of 4 questions to level up!
Make science come alive in your classroom with this free hands-on activity aligned to middle school NGSS standards.
Magnets are much more useful when you can turn them on and off.
Practice
- Understand: electromagnetismGet 3 of 4 questions to level up!
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