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- 1. Multiple Choice
Are the magnetic field lines in the picture correct?
Yes, because they point from north to south.
No, because they point from north to south (they're supposed to go the other way).
Yes, because the North pole is on the left in all pictures.
No, because the North pole is on the left in all pictures (it's supposed to be on the right).
- 2. Multiple Choice
The strongest part of a magnet is...
the bars .
the force field.
the poles.
the middle.
- 3. Multiple ChoiceWhat happens when two north poles of a magnet are placed together?they repelthey attractthey cancel each other outthe strength of the magnet is doubled
- 4. Multiple Choice
The area of magnetic force around a magnet is known as its _____________.
magnetic field
magnetic declination
magnetic fan lines
magnetic tan lines
- 5. Multiple Choice
A ________ is a device that has a magnet on a needle that spins freely. It is used for navigation because its needle usually points north.
calculator
ruler
compass
map
- 6. Multiple Choicewhat is the earths magnetic field useful fordeflecting the solar wind, charged particles that come from the Sun.windsunlight
- 7. Multiple ChoiceWhy does a compass needle point north?The compass is a bar magnetBecause north is upBecause it's magicIt lines up with the Earth's magnetic field
- 8. Multiple Choice
Looking at the field lines in this picture, these two magnets are ________
Attracting
Repelling
Attracting and Repelling
Doing nothing
- 9. Multiple ChoiceWhy are paper clips attracted to magnets?They contain silver.They contain aluminumThey contain tin.They contain iron.
- 10. Multiple Choice
In what direction does a magnetic field move?
North to South
South to North
Left to right
Positive to negative
- 11. Multiple Choice
Are these magnetic field lines attracting or repelling?
repelling
attracting
- 12. Multiple Choice
The image above shows how iron filings respond to magnetic fields generated by two magnets with ____________ poles facing each other.
like
opposite
positive
negative
- 13. Multiple Choice
Which answer describes the pictures correctly?
Both drawings show attraction of magnetic forces.
The left drawing shows repulsion and the right drawing shows attraction of magnetic forces.
Both drawings show repulsion of magnetic forces.
The left drawing shows attraction and the right drawing shows repulsion of magnetic forces.
- 14. Multiple Choice
Eli is holding two magnets close to each other. What will happen when he lets go?
The magnets will not move because the magnets are not touching.
The magnets will move closer to each other because the magnetic force will pull the magnets together.
The magnets will move away from each other because the magnets are not touching.
The magnets will move away from each other because the magnetic force will push the magnets apart.
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