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Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Help your child make a beautiful homemade sandcastle that will last!

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.