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Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

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

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

I scream, you scream, we all scream for homemade spearmint ice cream!

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

This science fair project idea explores whether white light can be separated into different colors.

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

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.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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

Teach your child how butter is created by shaking up cream the old-fashioned way.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?