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This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Making a freedom kite is a great way to show appreciation on Memorial Day or July 4th, and enjoy the summer sunshine with family.

Your fourth grader will love turning your house into a home this holiday season with fun crafts such as hand-casted paper holiday ornaments!

This game is a great way to help your child remember the names of shapes. Give it a go and before you know it, your kid will have all her shapes down pat.

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

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This crazy-easy felt sandwich sewing project is a fun way to get your child interested in the art of sewing.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Your fourth grader will hone his fine motor skills and learn to follow directions as he creates this recycled angel tree topper out of an ordinary soda bottle!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Here's an activity that lets your third grader, fourth grader, or fifth grader bring the warmth and light of lanterns into your home by making his own.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Celebrate Earth Day by making a poster that encourages people not to litter.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project idea explores the different properties & interactions of sugar molecules.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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.

The goal of this project is to create an exciting topographical map out of dough.