NASA teacher's guide to building a Winogradsky Column to study microorganisms. When this guide was first released, students were invited to participate in two webcasts with NASA scientists. The conversations from those webcasts are...

Learn about all the different levels of ecosystems, from the living things under a rock, up to a rainforest biome. Explains the levels of organization within an ecosystem, the different types of biomes, food chains and trophic levels,...

Despite seventy percent of the world's surface being covered with water, there is a potential shortage of this natural resource. Only a small percentage is fresh water and much of that is inaccessible or threatened. Learn about fresh...

Learn about the different kinds of forests, how forests are structured, their importance, deforestation and its impact, forest degradation, and what individuals can do to protect forests.

Learn what renewable energy is, the different types, and why it's important to conserve energy.

Looks at air pollution, its causes and impact, common pollutants, and what individuals and governments can do to combat it.

In this project, you'll learn how to isolate DNA from onion cells, separating it from other cellular components in a manner that still preserves its structure and sequence. In the end, you'll have enough DNA to see with the unaided eye,...

The element lead is a neurotoxin that is particularly dangerous to young children. Among other uses, lead compounds were common paint additives until being phased out for safer titanium-based additives beginning in the 1960's. Lead...

You're playing Monopoly with a friend, and you've already got Park Place and you really, really want to get Boardwalk. If you're on Pacific Avenue, what are the chances you'll reach your goal? Here's an easy project that will show you...

Microbes are everywhere in our environment, but for the most part they escape our notice. This project shows you how to safely culture and study common bacteria from your everyday surroundings.

This activity helps students learn more about cameras, and how to take better pictures.

This is a project about the "molecular alphabet" of DNA. With just four "letters," it manages to keep track of the plan for an entire person, and keep a complete copy in nearly every cell. This project will help you start learning this...

If you are interested in aerodynamics, wait for a windy day and go fly a kite. This Science Buddies project gives you many ideas to investigate as experiment with shape, size, and ways to fly the kite. The Science Buddies project ideas...

If you like to play Tetris then you might like this project. You'll learn something interesting about the mathematics of complex shapes.

The human immune system has various ways of responding to an infection caused by bacteria or viruses. Our bodies produce proteins (antibodies) that are highly specific for the infectious agent as a part of our "humoral" immune response....

This a straightforward, but interesting, project in geometry. It is a good first proof to try on your own. You should be able to figure it out by yourself, and you'll gain insight into a basic property of circles.

This project will teach you the basics of analytical chemistry, which is a must for students who want to go into chemistry or materials science. The molecules in objects we see all around us are constantly attracting each other....

Chromatography is a method used to separate mixtures of compounds and to identify each compound in the mixture. You may have separated the different inks in a black marker by using a strip of paper and water. There are many different...

Article reports on a new study that claims that the energy released from asteroid collisions may have sparked life on Earth. Includes a list of key vocabulary.

A question-and-answer site giving information about the Anasazi, an ancestral Pueblo people. There is a discussion of their languages, farming methods, architecture, and use of astronomy.

Learners investigate the effects of zero gravity. The resource has students measure the change in the area of calf muscle from before and after the flight to determine if muscle loss has occurred. Some topics included are muscle loss,...

Features a collection of hands-on activities, investigations, and explorations designed to engage students in learning about ice, both in the solar system and on planet Earth.

This Daily Teaching Tools resource provides a series of five graphic organizers that help with organizing time.

Explore aspects of African music as reflected in the songs and music of slaves who lived in coastal South Carolina.