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- 1. Multiple Choice
what color are the Protons?
Red
Green
Yellow
- 2. Multiple Choice
What color are the Electrons
Red
Green
Yellow
- 3. Multiple Choice
Protons have a ____________ charge and Electrons have a _______________ charge.
Positive, Positive
Positive, Negative
Negative, Positive
Negative, Negative
- 4. Multiple Choice
These magnets would....
Repel
Attract
- 5. Multiple Choice
What are the invisible lines called around this model?
Electric Field Lines
Magnetic Field Lines
Lettuce Seeds
- 6. Multiple Choice
As the magnets get farther apart, the strength of the fields get.....
Weaker
Stronger
Stay the same
- 7. Multiple Choice
If you cut a bar magnet in half, each half would...
lose it's magnetic field
have it's own north and south poles
repel plastic objects
- 8. Multiple Choice
if electrons transfer from a wool square to a pvc wand, the wool becomes ______________ and the wand becomes_____________.
Positive, Positive
Positive, Negative
Negative, Positive
Negative, Negative
- 9. Multiple Choice
Which statement is true about both magnetic and electric fields?
Like charges repel each other
Like charges attract each other
Like poles attract each other
- 10. Multiple Choice
Why does the tinsel hover over the fun fly stick?
Magic
The tinsel is attracted to the negative charges build up in the fun fly stick.
The tinsel is repelling the fun fly stick, they both have a build up of negative charges.
- 11. Multiple Choice
If you have both the balloon and pvc wand with a build up of negative charges. How can you decrease the potential energy of the balloon?
Bring them closer together
Bring them farther apart
Rub both with wool more vigorous
- 12. Multiple Choice
The Affect of Electric fields surrounding particles become stronger the _______________ they are from each other.
Farther
Closer
- 13. Multiple Choice
Like charges in electric fields.....
Attract
Repel
Transfer Electrons
- 14. Multiple Choice
Opposite charges in electric fields....
Attract
Repel
Transfer Electrons
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