This witches' brew recipe for kids is a cool mix of lemonade, tapioca pearl "eggs," and gummy worms. Try this witches' brew recipe for kids this Halloween.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

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.

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

Enjoy some autumn fun, and develop measurement skills with this sweet-smelling fall art project.

This gooey, squishy recipe will introduce your second grader to the world of measurements without seeming like a lesson or a chore.

This science fair project idea investigates how the shape of an object affects drag.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

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

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Sneak some vitamin-packed greens into your homemade popsicles for a frozen summer treat thatâs both delicious and nutritious

Nothing says fall like pumpkin soup, but it's also really good for you, with high amounts of fiber, iron, zinc and free radical busting antioxidants.

This science fair project idea determines which method of hand cleansing is the most effective.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Here's an idea for an edible Father's Day "note" that also happens to give your second grader practice in using a fancy new tool: the thesaurus.

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.

Here's an arts and crafts activity that has your first-grader experimenting with math concept of multiples and patterns with her own printing plate.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

A tall glass of lemonade is the perfect summer treat. Make it even better with these creative twists on classic lemonade!

Invite your second grader to help you measure and mix these fresh, cool concoctions!

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

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.