Physics > GIZMOS > HIST 1111 Student Exploration- Magnetism (ANSWER KEY).docx (All)

HIST 1111 Student Exploration- Magnetism (ANSWER KEY).docx

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Student Exploration: Magnetism (ANSWER KEY) Download Student Exploration: Magnetism Vocabulary: attract, bar magnet, ferromagnetic, magnetize, north pole, repel, south pole Prior Knowledge Questio... ns (Do these BEFORE using the Gizmo.) What happens when you place two magnets close together? What objects do magnets stick to? Make a list. What do these objects have in common?. Gizmo Warm-up: What is attracted to magnets? A bar magnet is a simple rectangular magnet. If you hang a bar magnet by a string, the north pole (N) of the magnet will tend to point north while the south pole (S) of the magnet points south. Look at the materials at the bottom of the Gizmo™. Which ones do you think will stick to a bar magnet? Ferromagnetic materials are strongly attracted to magnets. Drag a bar magnet and the piece of nickel onto the scribbled line. Press Play (). A. Is nickel ferromagnetic? B. How do you know?. Test copper, wood, glass, and iron. Which ones are ferromagnetic? Activity A: Attract or repel? Get the Gizmo ready:  Check that the MAGNETIC FORCES tab is selected.  Click Reset (). Question: How do magnets interact? Observe: Drag two bar magnets onto the paper and press Play. Then click Reset. Change one of the magnets (either from N-S to S-N, or vice-versa). Click Play again. What happened the first time?. What happened the second time?. [Show More]

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