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WorksheetsCompasses and Magnetism
Total questions: 25
Worksheet time: 15mins
Name
Class
Date
1.
The person who first suggested that Earth behaves as a magnet was
a)
Ampere
b)
Oersted
c)
Columbus
d)
Gilbert
2.
What is the name of the area surrounding Earth that is influenced by Earth’s magnetic field?
a)
atmosphere.
b)
aurora borealis
c)
stratosphere
d)
magnetosphere.
3.
Which of the following statements is true about Earth’s magnetic poles?
a)
They are the areas where Earth’s magnetic field is strongest.
b)
They are located at Earth’s geographic poles.
c)
They are the areas where Earth’s magnetic field is weakest.
d)
Earth has four magnetic poles.
4.
Earth's magnetic field protects Earth from the sun's
a)
light
b)
solar winds
c)
heat
d)
energy
5.
How is Earth's magnetic field similar to that of a magnet?
a)
It is hundreds of miles long
b)
It has north and south poles
c)
It is made in Earth's core
d)
It is shaped like a horseshoe
6.
What is our best evidence that Earth has a magnetic field?
a)
All things fall toward Earth's center
b)
A compass needle lines up with it
c)
Winds blow from east to west
d)
Earth's oceans all have currents
7.
Earth's magnetic field and a bar magnet attract particles to the same locations. Where are they?
a)
The middle
b)
All around the outside
c)
The north and south poles
d)
First to the middle, then to the ends
8.
Why does a compass needle point north?
a)
The compass is a bar magnet
b)
Because north is up
c)
Because it's magic
d)
It lines up with the Earth's magnetic field
9.
Earth acts like a giant magnet because its center is made up MOSTLY of
a)
granite
b)
limestone
c)
iron
d)
nickel
10.
Christopher Columbus successfully followed a course _________ to the Americas using a compass for navigation.
a)
North
b)
South
c)
West
d)
East
11.
A ___________ is a device that has a magnetized needle that can spin freely.
a)
magnet
b)
compass
c)
filing
d)
electron
12.
The two regions between 1,000 and 25,000 kilometers above Earth's surface are called the
a)
Northern borealis
b)
Magnetic field lines
c)
Atmosphere
d)
Van Allen belts
13.
A compass needle always points in this direction.
a)
North
b)
South
c)
West
d)
East
14.
The angle between geographic north and the north to which a compass needle points is called
a)
Van Allen belts
b)
magnetic declination
c)
solar wind
d)
magnetosphere
15.
Magnetic declination changes over time because the magnetic poles move ____________.
a)
fast
b)
slowly
c)
at an average speed
16.
Earth's magnetic field affects the movements of electrically charged _________________ in space.
a)
nuclei
b)
particles
c)
protons
17.
The _____________________ causes the magnetic field to stretch out on the side of Earth experiencing night.
a)
magnetosphere
b)
solar wind
18.
Magnetic declination varies with
a)
location.
b)
time.
c)
date.
19.
Other planets just like Earth experience a solar wind.
a)
True
b)
False
20.
The solar wind constantly reshapes the magnetosphere as Earth does what?
a)
rotates on its axis.
b)
revolves around the moon.
21.
When charged particles get close to Earth's surface, they create an aurora.
a)
True
b)
False
22.
The aurora borealis is the aurora that is found in the southern hemisphere.
a)
true
b)
false
23.
Lava on the ocean floor can permanently record Earth's
a)
magnetic field
b)
magnetic poles
c)
magnetic domains
24.
The region in which Earth's magnetic field is found is called the
a)
atmosphere
b)
stratosphere
c)
aurora
d)
magnetosphere
25.
Van Allen belts contain these particles moving at high speeds.
a)
protons and neutrons
b)
protons and electrons
c)
neutrons and electrons
d)
cells
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