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- 1. Multiple Choice
Can magnets interact without touching?
Yes
No
- 2. Multiple Choice
The area of magnetic force around a magnet is known as its _____________.
Magnetic Field
Magnetic Fan Lines
Magnetic Area
Magnetic Location
- 3. Multiple Choice
What will the magnets in the picture do?
Attract
Repel
Neither attract nor repel
Both attract and repel
- 4. Multiple Choice
What will the magnets in the picture do?
Attract each other
Repel each other
Both attract and repel
Neither attract nor repel
- 5. Multiple Choice
Permanent magnets are made out of which materials?
Cobalt, Nickel, and Iron
Copper, Chromium, and Cobalt
Gold, Silver, and Platinum
Copper, Nickel, and Iron
- 6. Multiple Choice
Magnetic fields are strongest _______.
at both poles
at the north pole
at the south pole
between the poles
- 7. Multiple Choice
Magnets are made of tiny sections of magnetic fields that are aligned to produce a larger magnetic field. These are called _____.
magnetic domains
magnetic fields
magnetic sections
electromagnets
- 8. Multiple Choice
A _____ is a device that has a magnetic needle that spins freely. It is used for navigation because its needle usually points north.
calculator
compass
GPS
map
- 9. Multiple Choice
The Earth's magnetic field is most useful for _____.
deflecting solar wind
keeping track of time
creating sunny weather
making it look cool in front of the other planets
- 10. Multiple Choice
Ancient people discovered magnetic rocks called lodestone. For what purpose did they use them?
starting fires
sculptures
compasses
magnetic weapons
- 11. Multiple Choice
Why does a compass needle point north?
because north is up
it lines up with Earth's magnetic field
because of magic
the compass is programmed to do so
- 12. Multiple Choice
Paper clips are attracted to magnets because they contain ____.
iron
aluminum
copper
silver
- 13. Multiple Choice
Opposite charges _____ and like charges ____.
attract, repel
repel, attract
- 14. Multiple Choice
You have two magnets. One is in your hand and the other is sitting on a table. You move the SOUTH pole of your magnet near the SOUTH pole of the magnet on the table. What happens?
Nothing
They repel
They attract
A chemical reaction
- 15. Multiple Choice
Are the magnets in this picture attracting or repelling?
Attracting
Repelling
- 16. Multiple Choice
An atom is a positively charged nucleus that is orbited by negatively charged _____.
electrons
protons
neutrons
photons
- 17. Multiple Choice
When the atoms of a substance align their magnetic fields with each other, they are called ____.
ferromagnetic
anti-ferromagnetic
a compass
a lodestone
- 18. Multiple Choice
The _____ is Earth's magnetic field that protects us from the sun's harmful radiation and solar wind.
Magnetosphere
Biosphere
Hydrosphere
Heliosphere
- 19. Multiple Choice
A ____ is a material that allows heat and electricity to pass through it. A ____ is a material that does NOT allow heat and electricity to pass through it.
Conductor, Insulator
Insulator, Conductor
- 20. Multiple Choice
What is the traditional color for North on a compass?
red
white
blue
black
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