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Opener: What does the Earth’s magnetic field do for life on Earth?

Opener: What does the Earth’s magnetic field do for life on Earth?. Procedure: In Your Groups Gather materials 2 bar magnets Shaker of filings Plastic sheet Piece of paper Straw Place paper on desk Magnets on paper Tape plastic sheet above magnet on books Sprinkle filings on sheet

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Opener: What does the Earth’s magnetic field do for life on Earth?

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  1. Opener: What does the Earth’s magnetic field do for life on Earth?

  2. Procedure: • In Your Groups • Gather materials • 2 bar magnets • Shaker of filings • Plastic sheet • Piece of paper • Straw • Place paper on desk • Magnets on paper • Tape plastic sheet above magnet on books • Sprinkle filings on sheet • Record observations in journal Playing With Magnetism 1 S N S N 2 N S S S S N N N 3a 3b

  3. Playing With Magnetism Look Like? Feel like? S N S N N S S N

  4. What Does Earth’s Magnetic Field Look Like? S N

  5. The solar wind shown above is a stream of ionized gases that blows outward from the Sun at about 400 km/second and that varies in intensity with the amount of surface activity on the Sun.

  6. Making an Electromagnet:an analogy to Earth’s magnetic field • Test a nail for magnetic properties. • Is the nail magnetic? • If not, using the materials supplied, create a prediction of how you might create a magnet out of the nail. • Record your results in your journal. • Repeat until you create your magnet. • Answer journal questions.

  7. Key Terms • Magnet: a metal that can attract other metals • Poles: areas of magnets where the fields are strongest • Magnetic Field: the area around a magnet in which charged particles are influenced; produced by the motion of electrical charges • Magnetosphere: region around the Earth where the magnetic field is located.

  8. Conclusions

  9. Burning Questions of Science! • Why does the magnetic field of the sun show up when it is hit with gas?

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