By Cynthia Light Brown, Blair Shedd
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Additional info for Amazing Kitchen Chemistry Projects You Can Build Yourself
When water freezes or boils, it’s just changing from a liquid to a solid or gas. It’s still the same molecule—H2O. When chocolate melts in your hand, it’s not reacting, it’s just changing from a solid to a liquid—the mixture is still the same. To learn more about these kinds of changes, see chapter 8, A Change of State. Whether an atom bonds with another atom—and how strong that bond is—depends on the number and arrangement of its electrons and how well they match up with the other atom’s electrons.
RS @MC 3KNV Some reactions happen very fast. Other reactions happen very slowly. A nail rusting reacts too slowly to watch it happen, especially in a dry climate. ) What makes a reaction go faster? For a reaction to occur, the reactants have to physically come into contact with each other. In our imaginary room of white and black molecules, each molecule has to bump into another before the bonds break and reform. Anything that makes the reactants come into contact more often will increase how fast the reaction happens.
4 Using a potholder, move the glass to a warm place where it can be easily seen but will not be disturbed. Be patient! The longer you wait, the bigger the sugar crystal will grow. What shape are the crystals? Try again! SuppLies Z AK@BJ O@ODQ Z RTF@Q @ANTS BTOR LHKKHKHSDQR Z BNSSNM RSQHMF Z ATSSNM Z ODMBHK Z FK@RR NQ S@KK I@Q Z V@SDQ Z R@TBDO@M Z ONSGNKCDQ Z ENNC BNKNQHMF NOSHNM@K Z L@FMHEXHMF FK@RR NOSHNM@K 57 Make Your Own 0N[Qf4YN``
5\b`R Caution: This project involves very hot liquids, so get an adult to help.
Amazing Kitchen Chemistry Projects You Can Build Yourself by Cynthia Light Brown, Blair Shedd