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Milk Bubbles
Number: 0061 Anonymous: Science can be as simple as blowing bubbles in your milk.Sorry, but this content is reserved for subscribers only.The $20/year subscription helps cover the costs of producing...
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Ice and String
Number: 0056 Anonymous: Can you lift an ice cube out of a glass of water with a string? Try it and see.Sorry, but this content is reserved for subscribers only.The $20/year subscription helps cover...
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Ice and Soda
Number: 0042 Anonymous: This week's experiment came to me from my good friend Bob Cox. He told me about the trick and wanted to know why it worked. It took some thought and testing to come up with a...
View ArticleThe Paper Siphon
Anonymous: For this week's experiment, we will examine something that has caused problems for Moms throughout the ages. While washing up, someone leaves a towel hanging over the side of a sink full of...
View ArticleFlat Water
Anonymous: It is hurricane season here in Florida, but luckily this has been a very calm season so far. We still have to be sure to be prepared, just in case. I came across the idea for this experiment...
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Igneous Sugar
Number: 0166 Anonymous: Once you understand the general idea of intrusive and extrusive rocks, it helps to see the process in action. If you don't happen to have a volcano nearby, there is a fun,...
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Changing How We Look at Changing
Anonymous: I love it when teachers ask questions! I alway enjoy a good science question because they make me really think about the subject to be sure I give the right answer, but when a teacher asks a...
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Science Photo of the Day #810
The ice that formed in our bird bath, buckets, etc. is white, but icicles are usually clear. What is the difference?thumb: read more
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A Watched Pot
Anonymous: This week's experiment came from last week's research. As I was boiling each vegetable sample, I had quite a bit of time to watch the water boil. If you tried the experiment, then you...
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Science Photo of the Day #850
I photographed this oil refinery in New Mexico. How do they make gasoline from crude oil? thumb: read more
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Dancing Raisins
Anonymous: This week's experiment is another old classic which is still a lot of fun. Now that I think of it, it seems that most of the science tricks I did as a kid have become OLD classics. You will...
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Egg Geodes
Anonymous: Growing crystals in an egg shellSeveral people have written me lately, asking how to make simulated geodes in egg shells. Geodes are pockets of crystals that form in sedimentary and igneous...
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Surface Area
Anonymous: One of the major things that determines the rate of many chemical and physical changes is the amount of surface area where the reaction takes place. For an easy way to see that, you will...
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Science Photo of the Day #702
Why is the ice on the branches white, while the icicles are clear?thumb: read more
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Microscopes: Growing Crystals
Number: 0215 Anonymous: Back to the Microscopes Study UnitThis is a subscriber video, but this sample preview will give you an idea of the content.Click here to use the Slow Connection PlayerSorry,...
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Understanding what "chemical formula" means
Anonymous: According to the definition, minerals must have a definite chemical formula. What does that mean?To explore this, we will use the same materials that we used to explore "naturally...
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