Earth Magnetic Field

What is Earth Magnetic Field?

• is a part of the earth

• Is a magnetic field that emanates from Earth's core and encircles the Earth.

• i don´t now

• it is a magnetic field that causes damage to the planet earth

How is Earth’s magnetic field similar to that of a magnet?

• It is hundreds of miles long.

• It is shaped like a horseshoe.

• It has North and South poles

• It is made in Earth’s core.

What is our best evidence that Earth has a magnetic field?

• A compass needle lines up with it.

• Earth’s oceans all have currents.

• All things fall toward Earth’s center.

• Winds blow from east to west.

Earth magnetic field protects us from ___________.

• the heat

• the Solar wind

• the moon

• the stars

What causes Earth magnetic field?

• Are created by aliens

• Are created by the sun

• Are created by the moon

• Are generated by electric charges in motion.

What is the importance of the Earth magnetic field?

• protects us from the damage that the solar wind can cause

• protects us from pollution

• protects us from lasers

• protects us from the damage that the moon can cause

What are some facts about Earth magnetic field?

• Heat and the Earth’s spin keep the outer core moving.

• The magnetic field is tilted slightly from the Earth’s axis.

• Sometimes the magnetic field is stronger than at other times.

• all of them are incorrect

Why is a compass needle attracted to the North?

• There wind in the north

• Because it is being attracted to the Magnetic South Pole

• Because there iron in the north

• It repeals from the north pole

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Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is the shape of a magnetic field around the Earth?

• 
• 
• 
• 

North Pole and South Pole are the Earth Magentic Poles?

• True

• False