Water Magnet Needle Compass Youtube Float the compass. fill a bowl or jar with a few inches of water and place the compass on the water. the magnetized needle will align itself with the earth's magnetic field to point north to south. if a breeze hits the compass, it may have trouble aligning itself north to south. Cool and simple homemade diy experiment ideal for homework project and school science fair, how to make compass with water, needle and a neodymium magnet!mus.
Magnetic Compass National Maritime Historical Society Floating needle compass science experiment instructions. step 1 – use scissors to cut a circle out of the piece of paper. the circle should be approximately 2 inches in diameter. step 2 – tape a sewing needle in the middle of the circle. step 3 – fill a shallow dish with water. step 4 – use a magnet and rub it along the needle in the. Fill the bowl of water to near the top and place the cork slice on top so it floats. place the magnetised needle on top of the cork. the cork and needle will turn until the needle faces north—south. the needle will line up with the earth’s magnetic field. if you have a compass, you can check this! make sure the magnet is far enough away not. Always rub the magnet in the same direction against the needle. your needle should now be magnetized. now cut off about ¼ inch of the cork from one of its ends, making a small cork disc that is about ¼ inch tall. carefully push the needle through the side of the disc by using the pair of pliers. Step 2: lay the needle on the rim of a plastic bottle cap. step 3: carefully float the bottle cap in a bowl of water so that it is free to move around. the needle will slowly turn the bottle cap around until it points to the north pole! please note: if it does not work, rub the needle with the magnet again.
Comments are closed.