Electricity and Magnetism Quiz

Select the correct answer. Jack tries to place magnets on his refrigerator at home, but they won’t stick. What could be the reason?

• The body of the refrigerator isn’t made of magnetic material.

• Earth’s magnetic field is interfering.

• The magnet and the body of the refrigerator have like poles.

• The refrigerator isn’t plugged into an electrical outlet.

Select the correct answer. Which magnet will produce the strongest force of attraction when placed beneath this magnet?

• A.

• B.

• C.

• D.

Tags

NGSS.3-PS2-3

Select the correct answer. Which hand is negatively charged?

• A.

• B.

• C.

• D.

Tags

NGSS.MS-PS2-3

Select the correct answer. The image on the left shows the charges on a balloon after it’s been rubbed with a wool cloth. The image on the right is a piece of tissue paper. What will happen to the tissue paper as it approaches the balloon and why?

• The tissue paper will stick to the balloon because the tissue paper is negatively charged.

• The tissue paper will stick to the balloon because the tissue paper is positively charged.

• The tissue paper will move away from the balloon because the tissue paper is negatively charged.

• The tissue paper will move away from the balloon because the tissue paper is positively charged.

Tags

NGSS.MS-PS2-3

Select the correct answer from the options below. An object that’s _______ charged has more electrons than protons. An object that’s _______ charged has fewer electrons than protons. An object that’s _______ charged has the same number of electrons and protons.

• negatively, positively, neutrally

• positively, negatively, neutrally

• neutrally, negatively, positively

• negatively, neutrally, positively

Select the correct locations on the image. Identify the charges that are negative.

• A

• B

• C

• D

Tags

NGSS.MS-PS2-3

Select the correct location on the image. Identify the area on the image where the force of attraction is the strongest.

• Center

• Ends

• Middle

• Sides

Tags

NGSS.MS-PS2-5

Select the correct answer from each drop-down menu. Balloon A is _______ charged, and balloon C is _______ charged. If balloon A approaches balloon C, there'll be a force of _______ between them.

• positively, negatively, attraction

• negatively, positively, attraction

• positively, not, repulsion

• positively, negatively, repulsion

• positively, positively, attraction

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The image shows a magnetic field around the poles of a magnet. Identify the areas where the magnetic force is the strongest.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5