Materials Required:l Paper towel tubel Matchbook Procedure:To discover a power that you are probably not aware of, try this easy experiment. Did you know that your eyes can pierce solid objects? Hold an empty paper towel tube in front of one eye. Hold a matchbook in front of the other eye, with the cardboard touching […]
Materials Required:l 10 sheets of typing paperl Rubber bandl This bookl Mirror Procedure: Roll the 10 sheets of typing paper into a hollow tube. Slip a rubber band over the roll to hold it in place. Hold the tube against some words on this page and look into the cylinder. Your face should be pressed
Materials Required:l Wooden matchl Thumbtack, with a wide, flat surface Procedure:You can feel your heart beating, but did you know that you can also see it beating? All it takes is a simple device, which you can make in a few minutes. Press a wooden match onto the point of the thumbtack. Set your device
Materials Required:l ChairA friend Procedure: Ask a friend to relax in a chair. He should fold his arms and stretch his feet as far forward as possible. Tell him to lean far back so that his head faces upward. Now press a fingertip onto his forehead and challenge him to get up from the chair
Materials Required:l Soft-lead pencil, such as a No. 2 pencill 2 sheets of paperl Transparent tapeYour finger Procedure: Hold the pencil on its side and rub the lead on a sheet of paper. Continue rubbing the same spot over and over until it is covered with a heavy black coating. Now, press your index finger
Materials Required:l Asparagusl BathroomYourself Procedure: The next time you have asparagus for dinner, note its distinctive odour and taste, and eat a generous helping. When you go to the bathroom the next morning, do you notice the same asparagus smell? Why does this happen when other foods that you eat do not produce their own
Materials Required: l 2 cherry cough dropsl 2 small jars, such as baby food jars, with lidsl Water Procedure: Place a cough drop in each small jar, then fill each about halfway full with water. Screw the lids on tightly. Gently shake 1 jar by turning it upside down and then right-side up, over and
Materials Required:l Unsweetened cracker Procedure: Place an unsweetened cracker in your mouth. Chew it thoroughly, but don’t swallow it. Continue to chew without swallowing for several minutes. Does the cracker now taste sweet? This Is What Happens:The moisture in your mouth is called saliva. Saliva contains chemicals that start to break down the food before
Materials Required:l 2 glass platesl 4 wood stripsl Plastic tapel Cottonl Shovell White clothl Spongel Sugar waterl Honeyl Black construction paperThe help of one of your parents Procedure:This experiment will be great fun during your summer vacation! Build an ant farm, with the help of an adult, from 2 plates of glass and wood strips.
Materials Required:l Spider webl White paperl Safety pins Procedure: Find an old spider web with some dead insects left in the threads—you might look in a garage, on a porch, or on some trees or bushes. Pull one of the dead insects from the web and place it on a sheet of white paper. With
Materials Required:l 2 plastic margarine tubsl Plaster of Parisl Old spoonl Waterl Petroleum jellyl Small seashellsProcedure: Fill a plastic margarine tub about ¼ full with plaster of Paris. While stirring with an old spoon, slowly add water until the mixture becomes creamy. Spread a thin coat of petroleum jelly onto the outside of several seashells.
Materials Required:l A winter dayl Forsythia shrubl Pruning shearsl Large vasel Water Procedure: You might have seen forsythia shrubs ! With pruning shears, cut a few branches from the bush and bring them indoors. Fill a large vase with water. Place the branches upright in the water and set the vase near a sunny window.
Materials Required:l Slice of breadl 2 paper platesl Spray bottlel Waterl Magnifying glass Procedure: Place a slice of bread on a paper plate. Homemade bread or one of the natural breads without preservatives works best, but ordinary bread will also do the job. Fill a spray bottle with water and gently mist the top of
Materials Required:l Paill Seaweedl Shallow panl Waterl Finger-paint paper (paper with one glossy side)l Glass pane, smaller than the shallow panl Scissorsl Pencill Paper towelingl Book Procedure:If you live near the ocean or if you go down to the sea during the summer or on a vacation, you can make an interesting picture from seaweed.
Materials Required:l 2 identical flowerpots, cut-off milk cartons, or empty margarine tubs—almost any kind of containers in which you can plant, as long as they are identicall Soill 20 bean seedsl Waterl Bright window Procedure:You will have lots of fun doing this experiment, and perhaps be astonished by the results! Fill the planters with house