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Hot and Cold Water

Anonymous: This is Members Only content.Become a Member Today at the Introductory Price of Only $20 for an Entire Year, and get full access to this site.Hot and Cold WaterWhy would an ice cube cause...

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A Watched Pot

Number:  0130 Anonymous: Select the player that works best for you.Slow Connection High Speed Flash High Speed QuicktimeWho would think that there could be so much science in a pot of boiling...

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Dry Ice

Number:  0131 Anonymous: Learn some fun tricks with dry ice as we explore the science of sublimation.Sorry, but this content is reserved for subscribers only.Your $20/year subscription helps cover the...

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Ice Crystals

Anonymous: This is Members Only content.Become a Member Today at the Introductory Price of Only $20 for an Entire Year, and get full access to this site.Ice CrystalsGrow your own ice crystals.

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Matter

Number:  0178 Anonymous: What is matter?Sorry, but this content is reserved for subscribers only.Your $20/year subscription helps cover the costs of producing new videos, writing curriculum units, site...

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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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Strange Starch

Anonymous: We are used to thinking of things as falling into the basic groups of solids, liquids, and gases. (In another experiment we will discuss a fourth state of matter, plasma.) In this...

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The Hollow Candle

Anonymous: This experiment was sent in by Leilah, an 11 year old list member from Indiana. It is exactly the kind of experiment I like, because it is simple, it makes you think, and it’s interesting...

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Science Photo of the Day #721

When you mix cornstarch and water, you get something that many science sites call Oobleck. Under pressure, it feels like a solid, but when the pressure is removed, it flows like a liquid. What state of...

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Science Photo of the Day #795

How is the formation of frost different from most other kinds of ice?thumb: read more

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What's Burning?

Anonymous: Well, it is December, which means that I am rereading one of my favorite science books, Michael Faraday's "A Chemical History of a Candle." Faraday was a marvelous teacher, and his lectures...

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Squeezing Matter

Anonymous: This investigation comes from a request made by a teacher. She wanted an easy way to demonstrate how different states of matter react to pressure. To try it you will need:a syringe, without...

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Science Photo of the Day #647

Many old and historic homes have window panes that are thick and "wavery" at the bottom. Why?thumb: read more

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Understanding what "solid" means

Anonymous:  At first, the word "solid" may seem simple, but at times it can be tricky. Back to the "What is a Mineral?" page.Back to the "What is a Rock?" page.Sorry, but this content is reserved for...

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Density: Ice, Oil, and Water

Number:  0218 Anonymous: Sorry, but this content is reserved for subscribers only.The $29.95/year subscription helps cover the costs of producing new videos, writing curriculum units, site development,...

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Science Photo of the Day #972

Imagine you have a glass of ice water. If you refrigerate it to keep the temperature at exactly 0°C (32°F), will the water freeze or will the ice melt?thumb: read more

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Science Photo of the Day #973

We saw that we could have an equilibrium between water as a liquid and a solid by keeping the temperature at 0°C. What would you have to do to also have equilibrium with water as a gas?thumb: read more

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