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Earth's Magnetism

4th Grade Science
by

Genevieve Pacada

on 20 November 2012

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Transcript of Earth's Magnetism

Earth's
Magnetism Conclusion Earth's Core What happens as Earth Spins? Compass What kind of magnet is a compass needle? Aurora Earth is a giant magnet

A compass has a floating needle that faces magnetic north

Auroras occur when sun particles interact with Earth's magnetic field CA Standards 1b:
Students know how to build a simple compass and use it to detect magnetic effects, including Earth's magnetic field. http://www.brainpop.com/technology/scienceandindustry/compass/ Watch the video if you have a BrainPop account. iron - This causes Earth to act like
a giant magnet. permanent magnet display of lights in the sky caused by particles of the sun interacting with Earth's magnetic field. Southern lights Northern lights Magnetic Field In an aurora, the sun's particles are attracted to Earth's magnetic field http://www.dailymotion.com/video/xlp2y7_bill-nye-magnetism_tech photo by daynoir photo by daynoir photo by daynoir photo by daynoir The particles line up instrument that faces magnetic north using a free moving magnet
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