Magnets Review.

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Presentation transcript:

Magnets Review

What is the space in which a magnet can work called? Answer: magnetic field

Answer: iron and steel; aluminum, copper, silver, gold Name 2 metals a magnet can attract. Name 2 metals a magnet doesn’t attract. Answer: iron and steel; aluminum, copper, silver, gold

What is a magnetized needle that is free to turn called? Answer: compass

Magnetism is a type of ____________. Answer: force

How can you make a magnet. What type of magnet will it be How can you make a magnet? What type of magnet will it be? Think about the experiment we did in class. Answer: rub (stroke) a magnet against a nail and it will be a temporary magnet

What are patterns that show the size and shape of a magnetic field called? Answer: lines of force

Answer: box to the left is repelling, box to the right is attracting Which box is an example of magnets attracting and which box is an example of repelling? Answer: box to the left is repelling, box to the right is attracting

Name a rock that is naturally magnetic. Answer: lodestone; made of magnetite

A magnet’s property of attracting iron or steel is called? Answer: magnetism

A north pole will ______________ another north pole. Answer: repel

Why is Earth considered a magnet? Answer: Earth’s inner core is iron causing the Earth to have a magnetic north pole and a magnetic south pole.

Do all magnets have the same strength? Explain why or why not. Answer: No, some are temporary and some are permanent. The are different sizes and strengths. Also, magnets weaken with age.