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6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
6th Grade-Ch. 1 Sec. 3 Magnetic Earth
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6th Grade-Ch. 1 Sec. 3 Magnetic Earth

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  • 1. Ch. 1 Sec. 3 Magnetic Earth
  • 2. compass <ul><li>device that has a magnetized needle that can spin freely </li></ul>
  • 3. Just like a bar magnet, Earth has a magnetic field surrounding it and 2 magnetic poles.
  • 4. &nbsp;
  • 5. Circulation of molten material in Earth’s core causes Earth’s magnetism
  • 6. Earth’s magnetic field 2:04
  • 7. <ul><li>in northern Canada- about 1,250 km from geographic North Pole </li></ul>magnetic North Pole
  • 8. magnetic declination <ul><li>angle between geographic north and the north to which a compass needle points </li></ul>
  • 9. Earth produces strong magnetic field  can make magnets from ferromagnetic materials
  • 10. Van Allen belts <ul><li>2 doughnut shaped regions located 1,000 - 25,000 km above Earth’s surface </li></ul><ul><li>contain electrons &amp; protons traveling at very high speeds </li></ul>
  • 11. solar wind <ul><li>stream of electrically charged particles flowing at high speeds from the sun </li></ul>
  • 12. The Solar Wind [00:38]
  • 13. magnetosphere <ul><li>region of Earth’s magnetic field shaped by the solar wind </li></ul>
  • 14. <ul><li>glowing region caused by charged particles from Sun </li></ul>aurora
  • 15. <ul><li>northern hemisphere= Northern Lights (aurora borealis) </li></ul><ul><li>southern hemisphere= Southern Lights (aurora australis) </li></ul>
  • 16. &nbsp;
  • 17. &nbsp;
  • 18. The Northern Lights: Aurora Borealis [01:59]
  • 19. Review Time
  • 20. magnetosphere <ul><li>region of Earth’s magnetic field shaped by the solar wind </li></ul>
  • 21. magnetic declination <ul><li>angle between geographic north and the north to which a compass needle points </li></ul>
  • 22. How are Earth and a bar magnet similar? <ul><li>Both have a magnetic field surrounding it and two magnetic poles. </li></ul>
  • 23. <ul><li>glowing region caused by charged particles from Sun </li></ul>aurora
  • 24. Van Allen belts <ul><li>2 doughnut shaped regions located 1,000 - 25,000 km above Earth’s surface </li></ul><ul><li>contain electrons &amp; protons traveling at very high speeds </li></ul>
  • 25. compass <ul><li>device that has a magnetized needle that can spin freely </li></ul>
  • 26. <ul><li>northern hemisphere= Northern Lights </li></ul><ul><li>aurora borealis </li></ul>

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