Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

This science fair project idea examines the reason boats are shaped and engineered.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

This exploration of different types of energy will help young minds appreciate and observe thermal, kinetic, mechanical, and other forms of energy.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.