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Magnetic Fields Ch 1
Amplify Science Magnetic Fields Ch 1
Question | Answer |
---|---|
Do magnets need to be touching each other in order to attract or repel? | no |
When the poles of a magnet are the same, the magnets will __________. | repel |
For magnets that are repelling, the magnetic field lines... | connect only to the same magnet |
Does the pattern of magnetic field lines around attracting magnets look the same as the magnetic field lines around repelling magnets? | no |
Do magnets attract all metals? | no |
When the poles of a magnet are the opposites, the magnets will __________. | attract |
For magnets that are attracting, the magnetic field lines... | connect between the two magnets |
to pull objects toward one another | attract |
The two opposite ends of a magnet are called ________________ _________________. | magnetic poles |
A system is a set of ________________________ parts that form a complex whole. | interacting |
to push objects away from each other | repel |
How many variables should be changed in an experiment so that the evidence collected will be as strong as possible? | one |
a line that connects opposite magnetic poles and represents the strength and direction of the magnetic field | magnetic field line |
Would one magnet sitting on a wooden desk be considered a system? | no |
Would two magnets sitting on a wooden desk be considered a system? | yes |
Would a magnet and a paper clip sitting on a wooden desk be considered a system? | yes |
Our planet is surrounded by a huge ________________ that reaches from Earth’s core all the way into space. | magnetic field |
Compasses point to Earth's north pole because | the needle in the compass is a tiny magnet |
What causes Earth's magnetic field? | Earth's liquid iron core moving around |
the space around a magnet in which magnetic forces can act on objects | magnetic field |
Were the magnets in the spacecraft launching system misaligned? | no |
A ______________ is a set of interacting parts that form a complex whole | system |