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This science fair project idea explores the different properties & interactions of sugar molecules.

Construct a card castle fit for a king! Treat your royal "face" cards (the kings, queens, and jacks) to the cool castle they deserve.

Using a toy race car kids create a visual model of the Doppler Effect.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

Have a Twelfth Night celebration with this holiday tutorial and craft. Learn how to throw a Twelfth Night celebration in your house this winter.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Your fourth grader will love turning your house into a home this holiday season with fun crafts such as hand-casted paper holiday ornaments!

This arts and crafts project isn't just full of creativity, it's got a lot to teach kids about world cultures as well.

With this activity, you child will get an opportunity to apply skills they're learning in second grade math, and maybe learn something new about Dad.

Is your child a young ornithologist in the making?

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Make subtraction practice more fun with this outdoor review game that's great for beginning math learners and more advanced!

This twist on classic mashed potatoes includes parsnips, a root vegetable with a sweet flavor your kids will love.

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

Declare a "Pocket Day" in your house and help your child practice his addition skills as he counts how many pockets the family is wearing that day!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Celebrate Hanukkah the old-fashioned way with an oil lantern. This craft is a perfect opportunity to teach your child the history of this special holiday.

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

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

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Make cleaning fun with a duster made from a decorated tube sock.

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!

Encourage your child to practice skip counting by turning number patterns into this fun and interactive game of catch.

Get your kids involved in the kitchen by making crepes with your choice of toppings in this fun fourth grade cooking activity.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Help your child construct and author a "sempuyo," a traditional Japanese book with accordion-style pages; she will develop her writing and fine motor skills.