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.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

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

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

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.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

This project examines whether people's taste perception is influenced by what they see.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Allow your first grader to get his artwork outdoors this summer by letting him create a garden art box for his arts and crafts supplies.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

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!

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.