By Robert Gardner
Get little ones drawn to technology whereas making toys and doing magic methods with the original experiments during this booklet. Make a "genie" in a bottle, a flame that jumps, a toy electrical motor, and extra! study chemistry and physics whereas having enjoyable. Many experiments comprise high-interest rules to get youth curious about technology festivals. scholars can ace their subsequent technology undertaking or try out utilizing magic and toys!
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Extra info for Ace Your Science Project Using Chemistry Magic and Toys
You shout, and the sub drops to a point between the surface and the bottom. To prepare your model submarine, nearly fill the bottle with water. Draw enough water into the eyedropper so that it floats in the bottle with just the tip of the rubber bulb above the surface. Place the stopper or cork loosely into the mouth of the bottle. To make the eyedropper fall to the bottom of the bottle, push the stopper farther down into the mouth of the bottle. To make it rise, pull the stopper back up so that it just rests in the mouth of the bottle.
Add a drop or two of black ink to some water in a glass and stir to mix. Under adult supervision, add a few drops of liquid bleach to the dark mixture. Stir for a minute or two, and the liquid will turn clear if you have added enough bleach. How many drops of bleach are required to clear up one drop of ink in water? Can the same bleach on a facial tissue be used to blot away a letter written with a felt-tip pen? Can it be used to blot away a letter written with a ballpoint pen? A prediction: See if you can predict how many drops of bleach will be needed to clear up two drops of ink in water.
Science Fair Project Idea Develop invisible inks of your own and use them to write secret messages. 9 A Flame That Jumps Materials: an adult matches candle candleholder lamp chimney, or glass or plastic cylinder wood blocks Because you will be using matches and working with a burning candle, do this trick under adult supervision. Light a candle and let it burn for several minutes. Then blow out the candle. You will notice that a stream of light-colored smoke continues to rise from the wick. If you bring a lighted match to that stream of smoke several centimeters above the wick, the flame will follow the smoke stream downward and reignite the wick.
Ace Your Science Project Using Chemistry Magic and Toys by Robert Gardner