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Find out which type of sponge holds the most water.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

Spiders may be creepy, crawly and sometimes frightening, but not this little fella. He's fun to make and sure will cause a lot of giggling!

Create a haunted house from upcycled materials in this lively craft project!

Even if sweet potatoes aren't your kid's favorite, try topping them with fluffy marshmallows -- it will be tough to find a child who can resist!

Add negative and positive numbers in this fun math card game for fourth graders!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project idea investigates how color affects temperature.

Encourage your child to help with dinner preparations this holiday season! You can use this recipe for Christmas dinner or lunch, or for meals leading up to the holiday. This Christmas Wreath Salad recipe is simple enough for preschoolers to fifth graders

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

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

Dive into U.S. colonial history by making a simple bottle gourd water cooler, crafted by colonists of Roanoke Island in the 16th century.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Race to create an equation in this game will help your child and his opponents get creative with addition, subtraction and multiplication.

What happens when colored beams of light mix? You might be surprised.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Textbook studying doesn't have to be a slog. Here's an at-home activity for before your middle-schooler begins those end-of-the-chapter review questions.

Mummy chic or rag-tag retro? Catch the oldest trend in bandaged jewelry!

Try this entertaining and educational math activity that will teach your child how to add and subtract decimals.

Show your fourth grader how to embrace a green lifestyle and enjoy the outdoors with a homemade, recycled picnic basket.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Make your own recycling game that helps teach your child what can and should be recycled.

Help your child make their next gifting extra special with a handmade gift box.

Write a poem with a twist! Your child can write a poem that also has a secret sentence hidden within the words of the poem.