ELECTRICITY AND MAGNETISM TEST (8TH)

Protons have a (a)   charge and Electrons have a (b)   charge.

• Positive, Positive
• Positive, Negative
• Negative, Positive
• Negative, Negative

These magnets would....

• Repel

• Attract

Tags

NGSS.MS-PS2-3

What are the invisible lines called around this model?

• Electric Field Lines

• Magnetic Field Lines

• Lettuce Seeds

Tags

NGSS.MS-PS2-3

As the magnets get farther apart, the strength of the fields get.....

• Weaker

• Stronger

• Stay the same

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

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

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

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

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

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

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The Affect of Electric fields surrounding particles become stronger the _______________ they are from each other.

• Farther

• Closer

Tags

NGSS.MS-PS2-3

Like charges in electric fields.....

• Attract

• Repel

• Transfer Electrons

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5