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Mad Science of West New Jersey - Water Symphony Experiment

theylbrickroad Aan June 15 2018
1,291 keer bekeken

What you need: • 5 tall glasses • Measuring cup • Water • Wooden spoon • Food coloring, four colors (optional) What you do: Step 1: Line up the five glasses side by side. Leave the first glass empty. Add a few drops of food coloring to each of the other four glasses. Step 2: Leave the first glass empty. Add 60mL (1/4 cup) of water to the second glass. Step 3: Add 120mL (1/2 cup) of water to the third glass. Step 4: Add 180mL (3/4 cup) of water to the fourth glass. Step 5: Add 240mL (1 cup) of water to the fifth glass. Step 6: Tap the spoon against the glasses. What do you hear? What's going on? Everything is made up of tiny atoms, and sound travels in waves by vibrating atoms. Sound waves can travel through gases, like the air, and also through liquids and solids. Quick vibrations have a higher pitch, like a whistle. Slow vibrations have a lower pitch, like a dog growling. When you tap the empty glass, it makes a higher pitch than when you tap the glasses with water. The water makes

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