Amazing Kitchen Chemistry Projects You Can Build Yourself by Cynthia Light Brown, Blair D Shedd

By Cynthia Light Brown, Blair D Shedd

In Amazing Kitchen Chemistry initiatives you could construct Yourself, childrens a long time nine and up will test with kitchen fabrics to find chemistry. Readers will find out about atoms, molecules, solids, beverages, gases, polymers, the periodic desk, the $64000 background of technology, and lots more and plenty extra. alongside the best way, they're going to make goop, reason chemical reactions, and create scrumptious treats, and it all will illustrate very important chemistry techniques. Amazing Kitchen Chemistry Projects is a enjoyable and fascinating means for younger readers to profit all approximately chemistry and turn into scientists correct within the kitchen.

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Extra resources for Amazing Kitchen Chemistry Projects You Can Build Yourself (Build It Yourself series)

Example text

They sent their Nobel Prize medals, which were gold, to another Nobel Prize winner, Niels Bohr, in Copenhagen, Denmark. When the Nazis invaded Denmark in 1940, Niels wanted to protect the medals. But how? He didn’t want to bury them because they could always be found and dug up. The Nazis made sending gold out of the country illegal, and the medals had the names of the Nobel Prize winners on them, so if they were discovered, James and Max would be imprisoned, or worse. A scientist named George de Hevesy helped solved the problem.

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6_\[ 1 2 Put one cup of cereal in the bowl. Mash the cereal with the spoon. Add water to cover the cereal and continue mashing until the cereal is mushy. Swish the magnet through the cereal, especially along the bottom of the bowl. The longer you swish the magnet, the more iron you will collect. SuppLies ZAQD@JE@RSBDQD@KENQSHEHDC VHSGHQNM ZANVK ZRONNM ZV@SDQ ZL@FMDS 3 Try variations in the experiment to see how you can get the most iron out of the cereal. What happens if you don’t mash up the cereal first?

High temperatures make molecules move faster, so they’ll be more likely to bump into each other. Another factor is the size of the particles of reactants. Powders, for example, will react faster than a big hunk of a reactant. That’s because powders have a much larger surface area, which means there’s more area that can come into contact with the other reactants. Have you ever stirred something before baking it? You’re helping to mix together the molecules, which makes the reaction go faster. ZNgV[T
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=_\WRPa` HOTANDHOTTER Some reactions are extremely exothermic; they produce a lot of energy.

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