Magnetism See Electricity Also

2.

Temporary or permanent
- Bear
- Gun
- Fun
- Magnets
- Sticks
Correct Answer

A. Magnets
3.

A temporary magnet does not keep its magnetism very long.
- True
- False
- Maybe
- Sometimes
- Yesmaybewhoknows
Correct Answer

A. True

Explanation

A temporary magnet is a magnet that only retains its magnetism for a short period of time. This is because it is made from materials that have low coercivity, meaning they are easily demagnetized. As a result, the magnetic field of a temporary magnet weakens quickly, causing it to lose its magnetism. Therefore, the statement that a temporary magnet does not keep its magnetism very long is true.

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4.

Usually made commercially and keeps its magnetism for a longer period of time
- Lake Ontario
- Mars
- A permanent magnet
- Uncle Dave
- Auntie Terry
Correct Answer

A. A permanent magnet

Explanation

A permanent magnet is usually made commercially and keeps its magnetism for a longer period of time compared to other options like Lake Ontario, Mars, Uncle Dave, or Auntie Terry. Permanent magnets are typically made from materials like iron, nickel, and cobalt, which have strong magnetic properties. These magnets can retain their magnetism for extended periods without the need for an external power source. In contrast, options like Lake Ontario, Mars, Uncle Dave, or Auntie Terry are not relevant to the concept of a permanent magnet and do not possess the characteristics mentioned in the question.

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5.

A naturally magnetic rock
- Slime
- Teenage Mutant Ninja Turtles
- A lodestone
- Batman
- Wonder Woman
Correct Answer

A. A lodestone

Explanation

A lodestone is a naturally magnetic rock that has the ability to attract iron. It is often used as a compass due to its magnetic properties. Unlike other options listed such as slime, Teenage Mutant Ninja Turtles, Batman, and Wonder Woman, a lodestone is the only one that fits the description of being a naturally magnetic rock.

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6.

Have north and south poles with certain properties
- Boogers
- Magnets
- Toothpaste
- Listermint
- Pepperment candy
Correct Answer

A. Magnets
7.

Have north and south poles with certain properties
- Erasable
- Television
- Magnets
- Buluga whales
- Dolphins
Correct Answer

A. Magnets

Explanation

Magnets have north and south poles with certain properties. Unlike other options, such as erasable, television, buluga whales, and dolphins, magnets possess the ability to attract or repel other magnets and certain metals. This unique characteristic is due to their magnetic field, which is generated by the alignment of their atoms' magnetic moments.

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8.

Repel (push away from each other)
- When the north pole of one magnet is put next to the north pole of another magnet the magnets
- Swing
- Pop up
- Land on the moon
- Eat pie
Correct Answer

A. When the north pole of one magnet is put next to the north pole of another magnet the magnets

Explanation

"Repel" means to push away from each other. When the north pole of one magnet is put next to the north pole of another magnet, they will repel each other and push away from each other. This is because like poles (in this case, both north poles) repel each other.

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9.

Like poles
- Repel
- Attract
- Watch t.v.
- Sleep in a tent
- Eat cheerries
Correct Answer

A. Repel
10.

Unlike poles
- Repel
- Attract
- Eat sushi
- Wear make up
- See red
Correct Answer

A. Attract
11.

Patterns created by iron filings or paper clips around the magnet.
- Pink
- Blue
- Lines of force
- White paper
- Blue paper
Correct Answer

A. Lines of force

Explanation

The correct answer is "lines of force" because when iron filings or paper clips are placed around a magnet, they align themselves in a pattern that represents the magnetic field lines of force. These lines indicate the direction and strength of the magnetic field. The pink, blue, white paper, and blue paper options are irrelevant to the explanation.

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12.

Heavier at the poles as demonstrated in our experiments.
- Totototo
- Oooootoooo
- Lines of force
- Pop up quiz
- Book report
Correct Answer

A. Lines of force
13.

The area in which the magnet can attract filings or other iron and steel objects.
- Quiz paper ieith
- Needles in a hay stack
- Tombstone
- Magnetic field
- Bird seed
Correct Answer

A. Magnetic field

Explanation

The term "magnetic field" refers to the area around a magnet where its magnetic force can be detected. This field is responsible for attracting iron and steel objects, such as filings, towards the magnet. The given answer correctly identifies the concept of a magnetic field as the area in which a magnet can attract filings or other iron and steel objects. The other options mentioned, such as needles in a haystack, tombstone, and bird seed, do not relate to the concept of a magnetic field.

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Magnetism See Electricity Also

The ability of a magnet to attract iron or steel

Quiz Preview

Temporary or permanent

A temporary magnet does not keep its magnetism very long.

Usually made commercially and keeps its magnetism for a longer period of time

A naturally magnetic rock

Have north and south poles with certain properties

Have north and south poles with certain properties

Repel (push away from each other)

Like poles

Unlike poles

Patterns created by iron filings or paper clips around the magnet.

Heavier at the poles as demonstrated in our experiments.

The area in which the magnet can attract filings or other iron and steel objects.