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Why do newspapers turn yellow?
How does bleach make colors disappear?
Why can't you mix oil and water?
Find out the answers to these and other mysteries of chemistry in this fascinating collection of ideas, projects, and activities that teach the basics of chemistry theory and practice.
Turn steel wool into a glutinous green blob. Separate an egg from its shell without breaking the shell. Make copper pennies turn green. Have fun while you learn simple chemistry from a solution of colored water, and the behavior of gases with the help of a soda bottle. Through these and other activities, you'll explore the structure of matter, the workings of acids, gases, and solutions . . . and much more.
You'll find most of the materials you need around the house or classroom. Every activity has been pretested and can be performed safely and cheaply in the classroom, at a science fair, or at home.
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I taught science for 27 years. During my teaching career, I taught in 11 different schools, mostly in Texas but also taught in Arkansas as well as on an army base in Germany. Of all the different science curricula that I’ve taught, my preference is physics, followed by chemistry, then biology, then geology.
My teaching style was a bit unorthodox–if I saw beautiful mushrooms growing on the side of the road, I’d stop and collect them so my classes could observe them. Mushrooms and physics are not the best fit, but if I had to I could find physics objective for using them—if nothing else came to mind the kids could determine their circumference.
Living in a rural area, my husband grows a garden each year. On year I encouraged him to grow pumpkins, which I took to school for a physics pumpkin carving project. Teams of kids worked together designing how they would carve their pumpkin. Each team had to prepare a scale diagram for the design. It was fun and they learned lots of math.
Another fun physics project was musical bottles. The objective was for a team to fill bottles with water so that when the bottles were tapped a musical note was produced. Using the bottles, the team had to play a song of their choice for the class. Some were simple but one team played, “Lean On Me.” Along with the bottles the team included a drum made with a box. It was beautiful!!
Yes, the school had science equipment and yes we used it. But I don’t remember the science equipment yet the musical bottles project is still a clear memory. Most likely the same is true for my students.
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