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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 an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

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

This activity is a fun challenge for students who have just started learning to program educational robots.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

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!

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

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!

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.

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

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.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

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

Engineers in training can get started with this simple wheel-and-axle construction activity.

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.

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

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

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

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!