Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

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

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

In this experiment we use Scotch Guard to make sand that resists water.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

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.

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

In this project children practice the scientific method while playing with puffy paint.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Here's an arts and crafts activity for preschoolers and pre-kindergarteners: build brick buildings with homemade mud bricks made from dirt and water.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Wreath ornaments decorate your Christmas tree and act as a fun sensory craft for preschoolers. Make wreath ornaments with your child this holiday season.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.