Force Fields

Protons have a ____________ charge and Electrons have a _______________ charge.

• Positive, Positive

• Positive, Negative

• Negative, Positive

• Negative, Negative

The area of magnetic force around a magnet is known as its _____________.

• magnetic field

• magnetic declination

• magnetic fan lines

• magnetic tan lines

Tags

NGSS.MS-PS2-3

These magnets would....

• Repel

• Attract

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

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 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

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which of the following forces is attractive but never repulsive?

• Gravitational Force

• Electric Force

• Magnetic Force

• Electromotive Force

Tags

NGSS.MS-PS2-4

Which of the diagrams shows the least gravitational force?

• I

• II

• III

• IV

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which of the following might make the spoons repel each other?

• Neither A nor B is electrically charged.

• Both A and B are negatively charged.

• A is positively charged, and B is negatively charged

• A is negatively charged, and B is not electrically charged.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is a material through which electrons cannot move easily?

• Conductor

• Insulator

• Magnet

• Circuit