Magnetic Earth

The area around a magnet is called the .....

• attraction zone

• work area

• magnetic field

• hot zone

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The earth has one magnetic pole.

• true

• false

Where is the Earth's magnetic field thought to be generated?

• The crust of the Earth

• The outer core

• The sun

• The upper mantle

How does the Earth’s magnetic field help us/Earth?

• It acts like an invisible shield

• It protects the Earth from harmful radiations.

• Earth doesn’t have a magnetic field!

• None of the above

How many poles does the magnetic field surrounding the Earth have?

• 4 poles

• 3 poles

• 2 poles

• It doesn’t have poles.

When did the scientists hypothesize that the Earth had a magnetic field?

• 1500’s

• 1600’s

• 1700’s

• 1200’s

What is the area surrounding a magnet where magnetic forces are detected?

• Magnetic forces

• Magnetic field

• Aurora’s

Tags

NGSS.MS-PS2-5

What is the primary cause of Earth's magnetic field?

• The movement of molten iron in the outer core

• The rotation of the Earth

• The gravitational pull of the moon

• The presence of magnetic minerals in the crust

Which instrument is used to measure the Earth's magnetic field?

• Thermometer

• Barometer

• Magnetometer

• Seismometer

What phenomenon is caused by the interaction of Earth's magnetic field with solar wind?

• Aurora Borealis

• Tornadoes

• Earthquakes

• Volcanic eruptions

Tags

NGSS.HS-PS2-5