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The Leidenfrost Effect: Making Water Dance on the Surface of a Hot Pan

You know water boils at 100º C (212º F). But did you know that you can make water dance too? You can! It’s called the Leidenfrost Effect. By adding a water droplet to a pan of boiling water, you can s ...

Water Content

Hipervinculo Biología

Water Content

We often wonder how much water is in the foods we eat. We're also fascinated to learn that we ourselves are made of more than 95% water. In this experiment we test the water content of substances foun ...

Osmosis: Why Do Our Fingers Prune When Immersed in Water?

In this study we will be examining the movement of water. Using a model of a cell we will demonstrate how our fingers prune when in water.It is an educational content by education.com.By clicking on t ...

Tumbling Rocks!

Tumbling is a technique used for smoothing and polishing a rough surface on small particles. Professional rock polishers help jewelers polish stones by imitating the abrasion of rocks in nature. The n ...

Salinity & Water Density

Cold water is denser than warm water. Water with a high salt concentration (salinity) is denser than water that has a lower salt concentration. Warmwater rises above densercolder water, and bodies of ...

What is in Tap Water?

Tap water usually contains dissolved gases notably air which is composed mainly of nitrogen and oxygen, along with some carbon dioxide, so when the tap water is allowed to stand some of the dissolved ...

Water Content in Fruits and Vegetables

In varying degrees, the fruit and vegetables that we eat contain water. While high water content is loosely associated with higher values of macronutrients such as protein, it is not necessarily assoc ...

Decaying Food

Hipervinculo Biología

Decaying Food

What makes food decay faster?Possible Hypotheses: Heat does/does not make food decay faster. Light does/does not make food decay faster. Water does/does not make food decay faster.It is an educational ...

Lasting Blooms: Which Cut Flower Lasts the Longest?

We will be observing the condition of various blossoms over a two-week period to determine which flower lasts the longest.It is an educational content by education.com.By clicking on the title of this ...

Frozen Salt

Hipervinculo Química

Frozen Salt

Does adding salt to water lower its freezing point?It is an educational content by education.com.By clicking on the title of this resource, you will be redirected to the content. If you want to downlo ...

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