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In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

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

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

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

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

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

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

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

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.