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Crazy Thermometer (Chemistry Experiments)

Do different materials have a different effect on thermometer? Find the effect of alcohol on an outdoor thermometer.Things Required:Outdoor thermometerCotton ballRubbing alcoholDirections:Lil the thermometer on a table undisturbed for three minutes; this will allow it to register the temperature of the room. Blow your breath across the thermometer bulb about 15 times. This Is What […]

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Orange Cubes (Chemistry Experiments)

What freezes first—water or orange juice? See for yourself in this experiment.Things Required:Orange juiceIce trayRefrigeratorDirections:Fill one-half of the ice tray with orange juice. Fill the remaining half of the ice tray with water. Set the tray in the freezer overnight. Remove the frozen cubes. Carefully try to bite into a cube of orange juice and

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The Run-a-way Oxygen (Chemistry Experiments)

If you can add an atom, can you subtract one or release an element from a compound? Watch carefully! Oxygen will actually escape before your very own eyes in this electric and thrilling experiment.Things Required:Small amount of rust (scraped from old iron object)1 tablespoonful of hydrogen peroxideSmall bottle or jar (to hold hydrogen peroxide)Small, deep

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Changing Forms (Chemistry Experiments)

Purpose to produce a different form of matter.Things Required:1-litre plastic soda bottle1 large balloon, 18 inches1 teaspoonful of baking soda3 tablespoonfuls of vinegarCellophane tapeDirections:Pour the baking soda into the bottle. The vinegar is to be poured into the balloon. Attach the open end of the balloon to the mouth of the bottle. Use the tape

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Making Limestone From Limewater (Chemistry Experiments)

The purpose of this easy experiment is to collect limestone and then, chemically remove it.Things Required:Small baby food jarVinegarLimewater (See experiment Making Limewater for instructions on preparing limewater.) Directions:Fill the jar with limewater. Leave the jar open and allow it to sit undisturbed for seven days. Pour out the limewater. Observe the white crust around

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Search For Starch Again (Chemistry Experiments)

How do you know if certain substances contain starch? Starch, a substance found in plants, gives us energy (sugars and fats do, too!). Chemists are especially interested in starch because it is a compound made up of carbon, hydrogen and oxygen. This experiment will help us find out if a solution has starch. Things Required:Half-litre

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pH Power (Chemistry Experiments)

Use your berry litmus paper again to test your tap water, soil, swimming pool or pond water, even your saliva (spit)! Things Required: Homemade berry litmus stripsContainers (small jars, paper or Styrofoam cups, margarine tubs) Testing samples:Backyard soil with waterTap waterLocal pondLakeRiver waterSalivaWhatever else you like Directions: Dip the strips of litmus paper into the

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