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Magnetism
Test Description: 7th Grade Magnetism
Instructions: Answer all questions to get your test result.
1) Where is a magnet the strongest?
A
The center
B
When they are electrified
C
Magnets are not strong
D
The poles
2) What is the Earth\'s core made of?
A
Solid steel
B
Molten plastic
C
Magnets
D
Molten iron and nickle
3) How are the atoms arranged in a magnet?
A
The are bouncing around everywhere
B
Magnets do not have atoms
C
They are all lined up in the same direction
D
They are arranged south to south and north to north
4) Can a magnet only have a North Pole?
A
Yes, If you cut off the South pole
B
No, even when magnets are cut in half they still have both poles
C
No, magnets do not have a North Pole, they have West and East Poles
D
Yes, when you find a magnet that has a weak charge.
5) Which material are magnets NOT attracted to?
A
cobalt
B
iron
C
nickle
D
copper
6) Which of the following is NOT a way magnets help us in everyday life?
A
A magnet on a screwdriver to help you not to lose the screw
B
Refrigerator magnets to hand notes and pictures
C
A magnet on an electric can opener holds the lid
D
A magnet on a coat hanger to hold on the coat
7) Magnetism comes from moving _______________.
A
Protons
B
Neutrons
C
Borons
D
Electrons
8) Opposites_____________ and Likes ____________.
A
Bounce; Stick
B
Attract; Repel
C
Repel; Attract
D
Are Weak; Are Strong
9) What are ways some animals, such as dolphins, birds, and honey bees, use the Earth\'s magnetic field?
A
They use the magnet on their credit card to buy food.
B
They do not use the Earth\'s magnetic field because it is invisible.
C
They use the Earth\'s magnetic field to know where to find food.
D
They use the Earth\'s magnetic field to find their way home.
10) The Earth\'s magnetic field is strongest at the North and South Poles. This causes which natural phenomena to happen?
A
Tornadoes
B
Hurricanes
C
Night and Day
D
The Aurora Borealis and Aurora Australis
*select an answer for all questions
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