By Eugene F. Provenzo Jr., Asterie Baker Provenzo
Simple yet relaxing experiments, played with universal home items, educate young children rules of sunshine, elasticity, point of view, gravity, air strain, optics, extra. directions, illustrations.
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Extra resources for 47 Easy-to-Do Classic Science Experiments
How to Perform More Magic with Coins MATERIALS eight to ten quarters or nickels (be sure to use all of the same type of coin so that they will stack evenly) plate table or desk top KEY TERMS Inertia: The tendency of all objects and matter in the universe to remain still, or, if moving, to go on moving in the same direction unless acted upon by some outside force. WHAT WILL BE DISCOVERED That inertia makes it possible to pull a plate out from under a stack of coins without causing the stack to fall apart.
How to Make a Simple Diving Bell MATERIALS a deep bowl full of water a glass a piece of paper KEY TERMS Air pressure: Pressure caused by the weight of the air at the top of the atmosphere as it presses down upon the air beneath it. WHAT WILL BE DISCOVERED When water is forced into the diving bell (glass) the air inside will be compressed until the air pressure inside the glass equals the pressure of the water. This prevents the water from completely filling up the inside of the glass so that a space in the glass will remain dry.
Static Electricity Detecting Static Electrical Charges In 1600 Dr. William Gilbert (1540-1603), an English physician, published a book on his observations and discoveries about magnets. The book also contained a description and illustration of the first electrical instrument in history, known as the “versorium” (which means “thing used for turning”). The versorium, which today is called an electroscope, was used to study the force created between two objects when one is charged with static electricity.
47 Easy-to-Do Classic Science Experiments by Eugene F. Provenzo Jr., Asterie Baker Provenzo