Magnetism Pop Quiz

In science class, Mya and Devon took notes over magnetism. One fact they learned is that magnetism is generated by moving

• protons.

• electrons.

• neutrons.

• elements.

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During a science fair, Kenzie and Sawyer are demonstrating how magnets work. They sprinkled iron shavings over a magnet. What do the lines around the magnet they are using represent?

• North Pole

• South Pole

• Magnetic Declination

• Magnetic Field

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If Lauren places the North pole of a fridge magnet next to the South pole of Haisley's alphabet magnet, they will:

• Attract

• Repel

• Do nothing

• Shatter

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What happens when Ryleigh and Mya each hold a magnet with the north pole facing forward and try to bring them together?

• they repel

• they attract

• they cancel each other out

• the strength of the magnet is doubled

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In un-magnetized materials the domains are __________ aligned.

• super
• slightly
• randomly
• always

In a science project, Madilyn and Brian are using a device that converts _____ energy into  _____ energy to power a small fan.

• electrical; mechanical

• mechanical; electrical

• chemical; potential

• mechanical; kinetic

Yearwood and Stedman are discussing which kind of magnet they can use to demonstrate a magnet that can be turned on and off. Which option should they choose?

• refrigerator magnet

• electromagnet

• magnetite

• iron

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When Aubree and Sophie hold the ends of two magnets close to each other, the magnets will _______. 

• move away from each other (repel)

• move towards each other (attract)

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In Brian's research on magnets, the strongest part of the magnet was found to be...

• the bars.

• the force field.

• the poles. 

• the middle.

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Nic and Ben discovered that nickel and steel objects can become _____.

• magnetized

• transformed into plastics

• lined up to the poles

• part of the equator

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