Download Adventures With Atoms and Molecules: Chemistry Experiments by Robert C. Mebane, Thomas R. Rybolt PDF

By Robert C. Mebane, Thomas R. Rybolt

Chemistry experiments for domestic or university exhibit the homes and behaviour of varied types of atoms and molecules.

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Extra resources for Adventures With Atoms and Molecules: Chemistry Experiments for Young People - Book I

Sample text

You can try this balls. experiment outside very cold day (20 degrees Fahrenheit or colder). 38 Try tennis if balls, it is a WILL AIR MOLECULES FLOAT ON CARBON DIOXIDE 1 MOLECULES? Materials Baking soda A measuring cup Vinegar Soap bubble liquid and ring Kitchen sink You can buy a soap bubble mix bottle of in grocery stores, or you can mix dishwashing your own soap bubble bubbles. wire to mix. Soap bubble You can make your own make a small ring kits in many water to make toy stores liquid with come with and a ring to blow from a piece of wire.

Sprinkle pepper over the surface of the water. Drop one drop of dishwashing the center of the plate containing the pepper. Watch all liquid into the pepper. Observations What happens to the pepper? Does all the pepper get pushed to the outside of the plate? PEPPER ON WATER AFTER SOAP ADDED BEFORE SOAP ADDED 43 7 Discussion SOSQ molecules end. The are end polar made of a short, is polar attracted to water. end and a long, nonpolar The nonpolar end is not attracted to water. When soap is dropped on The surface.

Cover the bottom Next pour two cups of of baking soda. STRING 1 the middle of the meter stick and have a friend hold the Move 1 like 1 II 1 1 1 1 1 1 1 1 1 1 1 1 II 1 1 1 1 1 1 TV METER STICK — PAPER BAGS < 18 > 1 1 1 II You vinegar Into the pail. Wait about thirty seconds. dbxide gas is will see bubbles Now poured out of the tilt pail of carbon dioxide the pail above and into the gas form. one bag so the carbon DO NOT POUR ANY bag. UQUID INTO THE BAG. When you have the pail down finished making your observations, pour the the sink.

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