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If it's massive, then it's attractive.

NGSS:

HS‑PS2‑4

, HS‑PS2‑5

, HS‑PS2.B.1

, HS‑PS2.B

, HS‑PS2

- Understand: Newton’s law of universal gravitationGet 3 of 4 questions to level up!
- Apply: Newton’s law of universal gravitationGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 200 Mastery points

So that's why long-distance relationships are so complicated.

NGSS:

HS‑PS2‑4

, HS‑PS2‑5

, HS‑PS2.B.1

, HS‑PS2.B

, HS‑PS2

- Understand: Coulomb's lawGet 3 of 4 questions to level up!

If we can't see electric or magnetic fields, how can we measure them?

NGSS:

HS‑PS2‑4

, HS‑PS2‑5

, HS‑PS2.B.2

, HS‑PS2.B

, HS‑PS2

- Understand: electric and magnetic fieldsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 200 Mastery points

Up next for you:#### Unit test

Level up on all the skills in this unit and collect up to 400 Mastery points!