Make a backbone model to explore human anatomy and life science.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This simple experiment serves as an introduction to the greenhouse effect.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Is your kid all bent out of shape? Try out some trendy dog yoga, or "doga," with your pet dog!

Jump into Japanese culture with your child by making your own calligraphy scroll. Try your hand at painting kanji on paper just like Zen masters of old!

With a handful of craft supplies, your fourth grader can capture some of the artistic magic of the ancient Maya.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This fun geometry game requires players to use measurement, find perimeter, and draw polygons. It's great for a fourth grade math student!

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This science fair project idea investigates if fats add to the flavor of food.

This activity will help your child tackle those tricky fraction word problems by way of a hands-on method.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Check out this game that provides an enjoyable way of demonstrating how recorded results can be expressed in whole numbers, fractions, and decimals.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

These secret code activities are fun, and also provide fourth graders with great opportunities to practice language development and logical reasoning.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

In honor of Black History Month, this activity encourages your child to focus on African American inventors, and do a little inventing of his own.