Earth's Geomagnetism (Amplify)

Observe the Image for 30 seconds, In this text box type three things you notice about this image. (Sentence starter: "I notice...")

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NGSS.MS-PS2-3

NGSS.MS-PS2-5

Observe this image again for 15 more seconds, write at least 3 things you wonder about this image. ( Sentence starter: "I wonder...")

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Match the following vocabulary words with their definition.

• the energy an object b/c it's moving

• Attract

• to change from one type to another

• Electromagnet

• the space around a magnet forces can act

• Convert

• a magnet produced by electric current

• Magnetic Field

• to pull objects towards one another

• Kinetic Energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Think about an example of a cause and effect relationship, type your example below.

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NGSS.MS-ESS3-4

NGSS.MS-LS1-4

NGSS.MS-LS2-4

NGSS.MS-LS4-4

What causes Earth's magnetic field?

• The movement of liquid iron in Earth's outer core

• The presence of a giant bar magnet at Earth's center

• The rotation of Earth on its axis

• The gravitational pull of the moon

How do compasses help in navigation?

• By aligning with Earth's magnetic field to point north

• By using GPS signals to determine location

• By measuring the distance to the nearest landmark

• By detecting the position of the sun

What happens when opposite poles of two magnets are near each other?

• They attract each other

• They repel each other

• They have no effect on each other

• They cancel each other's magnetic field

Tags

NGSS.MS-PS2-3

Why do some animals have a natural sense of direction?

• They have tiny bits of metal in their cells that act like compass needles

• They can see Earth's magnetic field

• They have a special organ that detects magnetic fields

• They follow the position of the sun

What is the process that creates Earth's magnetic field called?

• Geomagnetism

• Electromagnetism

• Gravitational pull

• Tectonic activity