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

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

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.

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

Discover whether cold or hot water from the faucet will boil faster on the stove.

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

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

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

In this science fair project, students use the streak test to tell minerals apart from each other.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

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

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.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

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

How do organic materials become soil? This science experiment measures what materials biodegrade.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Slip some science into storm watching with a homemade rain gauge!

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.