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Recursos educativos > crystal

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Which of two superabsorbent polymers is the most absorbent?

Sodium polyacrylate is a superabsorbent polymer primarily used as an absorbent for water and aqueous solutions in baby diapers, adult incontinence products, feminine hygiene products, and similar appl ...

Can You Judge a Geode by its Cover?

Geodes are formed in empty spaces inside rocks. Fluids containing minerals make their way into a rock’s cavity and crystals begin to grow. From the outside they look like an ordinary rock, although th ...

Can Hydrogel Crystals be used as a Drug Delivery System?

A drug delivery system is a medium or carrier of drugs and medicines to where they are needed in a patient's body. Medical researchers are currently exploring if it is possible to use hydrogel crystal ...

Exploring the Rate of Plant Growth in Crystals vs. Soil

In this project, measure the rate of growth of a bean seed or young plant placed in a superabsorbent crystal medium to that of a simular plant placed in soil. These crystals canstore water in the soil ...

Can Hydrogel Crystals be Used as a Sensitive Humidity Indicator?

In this science fair project focuses on a special kind of polymer called a hydrogel superabsorbent crystal which absorbs water, swelling to many times its original size. This water absorption ability ...

Growing Crystals

Hipervinculo Química

Growing Crystals

The goal of this experiment is to learn about how crystals form. What conditions are necessary for a molecule to form? Is there anything you can change to make crystals form faster?Does temperature af ...

Make Your Own Crystal Art

A crystal is an organized group of molecules, each with their own shape. For example, snowflakes are made of ice crystals and each snowflake is different. You can make crystals by using salt or sugar. ...

Solid? At grade

Hipervinculo Física

Solid? At grade

Properties of solid matter and comparison of different types of solids.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Ionic Compound? At grade

Ionic compounds: how they form, how the are named, and their properties and uses.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Crystalline Carbo? At grade

Different crystalline forms of carbon and their molecular structure.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

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