VanCleave's Science Fun

Your Guide to Science Projects, Fun Experiments, and Science Research

ABOUT THE SOUND PICTURE

With mouth wide open, vibrating air coming up the throat from the vocal chords leaving the open mouth and spreading in all directions. Hi, I am Janice VanCleave, author of 50+ best-selling science experiment books for children ages 4 through high school. I taught science for 27 years and now am creating this science website.   My scream was not staged. The picture was to be of two adult cats, which I was holding. A microsecond before the camera snapped, the two cats dug their claws into my skin as they prepared to leap out of my arms. A picture like this is great for making inferences. Kids could make "guesses" as to why I am screaming. They would be drawing on facts from the photo, such as I look like I am in pain or maybe I am just pretending.

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Educational Innovation Sound Supplies A black and yellow logo for Educational Innovations. A place to find fun science supplies.
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How to Make Perfume

By Janice VanCleave

Question: How can I make perfume? Answer: We often use the word perfume in a generic way, meaning any liquid applied to the body to give it a pleasant fragrance. But perfume (parfume) –what I call “Real” perfume is more concentrated and is generally more expensive than a cologne with the same fragrance. Another way […]

Filed Under: Chemistry Tagged With: mixture, perfume, soluble, solution

How Soluble is Table Sugar?

By Janice VanCleave

Table Sugar

What happens when you heat a sugar solution? When you add sugar to water, the sugar crystals dissolve and spread out evenly in the water.  Question? How much table sugar (sucrose) will dissolve in water? Answer: You can’t dissolve an infinite amount of sugar into a fixed volume of water. When as much sugar has […]

Filed Under: Chemistry Tagged With: soluble, sucrose

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Welcome to Janice’s Science Extravaganza!

The spoon hanging from the string vibrates when struck and these vibrations are transmitted through the string and the sound is amplified by the plastic cups. ABOUT ME: Hi, I am Janice VanCleave, author of 50 best-selling science experiment books for children ages 4 through high school. I taught science for 27 years. MORE.....

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Other Janice VanCleave Free Color Changing Lessons

  • HAT Stickers Heat Activated Thermochromic Stickers Stickers that change colors when heated.
  • SA Stickers Sun Activated Stickers Stickers that change color when exposed to sunlight.
  • TLC Dot Stickers Thermochromic Liquid Crystal Stickers Stickers that, like Mood Rings, change color when heated.

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