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3rd grade Sciecne
Magnet
Question | Answer |
---|---|
A _____________ is an example of a natural magnet. | lodestone |
What is a temporary magnet? | is a metal object that has been magnetized by rubbing a magnet over it several times. It will eventually lose its power over time. |
a ________magnet be weakened over time. | permanent |
the Earth's magnetic field is most like a ______ magnet. | bar |
what kind of objects are attracted to magnets? | contains iron or nickel.. examples: bolts and nuts, paperclip, nails, wire |
what kind of objects are NOT attracted to magnets ? | glass,plastic,rubber bands, aluminum, copper |
Are there ALWAYS two poles on a magnet ? | True the North and the South |
On a magnet opposites ___________. | Attract |
On a magnet like poles _________. | repel |
The needle on of a compass turns until the north-seeking pole points to Earth's _______ north pole. | magnetic |
A _________________ is an object that attracts, repels, pulls, certain metals, mainly iron and stell | magnet |
What are some uses for magnets? | compass, trains, attaching items to things like a refrigerator. |
Can you create a temporary magnet? | Yes, A temporary magnet is created when a magnetic metal (like scissors or an iron nail) are rubbed with a permanent magnet. The magnetism is temporarily transferred to the metal object. |
A magnet is strongest at its _____________. | poles |
The Earth is like a ________________. | magnet. |
Area around a magnet where the force of a magnet can act. | magnetic field |