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The Three Electric Compass

The Three Electric Compass. Andrés Jaramillo Erazo Gabriel Patiño Juan Londoño. PROCEDURE. QUESTION. HYPOTHESIS. MATERIALS. PICTUERES. VIDEO. RESULTS AND CONCLUTIONS. CIRCUIT DIAGRAM. QUESTION. I know magnets affect a compass , but can electric current affect a compass ?.

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The Three Electric Compass

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  1. The Three Electric Compass Andrés Jaramillo Erazo Gabriel Patiño Juan Londoño PROCEDURE QUESTION HYPOTHESIS MATERIALS PICTUERES VIDEO RESULTS AND CONCLUTIONS CIRCUIT DIAGRAM

  2. QUESTION I knowmagnetsaffect a compass, but can electriccurrentaffect a compass? MENU

  3. HYPOTHESIS Wedon’tthinkelectriccurrentaffects a compass, because a magnet has iron and electricitydoesn’t have iron. MENU

  4. MATERIALS Aluminum foil Size D battery Small cereal bowl Sewing needle Bar magnet Water Small piece of corrugated cardboard Compass Camera to take pictures and video MENU

  5. PROCEDURE 1.Gather all of the materials. Cut the aluminum foil into a 36 inch strip. Wrap the aluminum strip around the bowl as many times as possible – the first layer going over the top of the bowl. (leave 15 cm free on both ends of the strip). 2.Magnetize the needle by laying it on the magnet for 2 minutes. 3.Fill the bowl ¾ full of water. 4.Have your teacher help put the magnetized needle through the cardboard piece until it pokes out of the opposite end of the cardboard. Leave equal lengths of the needle extending from each side of the cardboard. 5. Float the cardboard square gently on the water and let it com to rest. 6. Use the compass to determine what direction the ends of the floating needle are pointing. 7. Turn the bowl so the aluminum strips are running in the same direction as the needle, north to south. 8.Stand the flat (negative part) of the battery on one end of the foil. 9.Watch the needle as you touch the other end of the foil to the positive part of the battery. 10. Remove the foil and repeat step 9 a few times. MENU

  6. PICTURES menu

  7. VIDEO MENU

  8. RESULTS AND CONCLUSIONS Explainwhathappened and why… Wefoundthatcurrentelectricity can affect a compassbecausetheneedleismagnetized and actslike a compass. The batterymakestheelectronsmovethroughthefoil so theneedleis in a magneticfield. MENU

  9. CIRCUIT DIAGRAM MENU

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