In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

In this activity your child will create their very own marble maze!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Here's a pressed leaf card project that puts science and writing together for your second grader.

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

Help your kindergarten science maven explore the water cycle without getting everything wet.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Create a self-portrait from natural materials in this collage craft activity!

Make edible amber fossils with your second grader to explore the fascinating world of science!