Unit 4 Magnets Science

All the magnets in the diagram are identical. Which pair of magnets would have the strongest attraction?

• Pair A

• Pair B

• Pair C

• Pair D

Tags

NGSS.3-PS2-3

A student was given magnet X and magnet Z to perform an experiment. Which statement best describes what will happen if a student puts the north pole of magnet X next to the north pole of magnet Z?

• Magnet X and magnet Z will attract each other.

• Magnet X and magnet Z will pull toward each other.

• Magnet X and magnet Z will repel away from each other.

• Magnet X and magnet Z will not move.

Tags

NGSS.3-PS2-3

Which method should a student use to separate iron filings from a bowl of cereal?

• Evaporation

• Filtration

• Floatation

• Magnetism

Which statement is true about magnets?

• Magnets will attract other magnets if like poles are brought together.

• Magnets will repel other magnets if unlike poles are brought together.

• The strength of a magnet is weakest at its poles.

• The strength of a magnet is greatest at its poles.

Tags

NGSS.3-PS2-4

NGSS.5-PS1-3

The North pole of a magnet was placed near the South pole of another magnet. Which statement best describes what will happen between these magnets if they are moved closer together?

• The magnets will repel each other.

• The magnets will attract each other.

• The magnets will slide past each other.

• The magnets will remain in their current positions.

Tags

NGSS.3-PS2-3

Which activity could be performed to measure the strength of a magnet?

• Drop a magnet into a graduated cylinder containing water, and measure the amount of water that is displaced.

• Hold a magnet over a pile of paper clips, and count the number of paper clips the magnet picks up.

• Release a magnet from a given height, and time how long the magnet takes to hit the ground.

• Slide a magnet across a smooth surface, and measure the distance the magnet travels.

Tags

NGSS.3-5-ETS1-2

NGSS.3-5-ETS1-3

To which object will a magnet be attracted?

• metal paper clip

• paper napkin

• plastic straw

• wooden soup spoon

Tags

NGSS.3-PS2-4

A student has two identical bar magnets. In which position will the magnets attract one another?

• A

• B

• C

• D

Tags

NGSS.3-PS2-3

Using two identical bar magnets, a student makes a model to show that the like poles of a magnet repel each other. How should the student place the bar magnets to demonstrate repulsion?

• A

• B

• C

• D

Tags

NGSS.3-PS2-3

A student makes an electromagnet using a battery, iron nail, and copper wire. What causes the paper clips to attach to the nail?

• Iron objects always attract other metal objects.

• Copper wire is made of a metal that produces a magnetic field.

• The electrical energy in the battery attracts the metal paper clips.

• The magnetic field generated in the iron nail attracts the metal paper clips.

Tags

NGSS.3-PS2-3

NGSS.3-PS2-4