How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Construct batteries that make electricity from fruits with this fun science fair project.

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

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Discover which fabrics shrink the most in the wash and why.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

In this colorful craft, make an enchanting star card for a birthday, holiday, or just for fun with construction paper and foam sheets!

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Cook up a batch of monster blood this Halloween to add gory details to vampires, zombies, werewolves and more.

Is your kid all bent out of shape? Try out some trendy dog yoga, or "doga," with your pet dog!

Learn to make homemade ketchup with your child and experiment with spices and flavors!

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Create some commotion on your table this Halloween with some flying bats that'll be cute enough to cause a ruckus among your little party monsters.

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

Run, jump, and skip your way to physical fitness as your exercise with dice! It's a perfect party or family game.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Be careful what you wish for... Centered around The Monkey's Paw, by W.W. Jacobs, this writing activity encourages your child to consider consequences.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Your child will come to better understand symmetry as he create this dramatic black bat mask. It's sure to lend a dark touch to any Halloween costume.

This unique project will help your child learn the basics of assemblage and he'll create a perfectly festive pumpkin in the process.

This fragrant drawer sachet keeps clothes smelling sweet, and makes for the perfect gift.

Use a recycling project to hone your childâs sewing skills and clean up her art supplies when she turns the leg of an old pair of jeans into a storage basket.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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

Encourage your child to explore her favorite fairy tale, and learn about characters, plot, setting and story sequence as she draws her own pictures.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Here is a fun holiday exercise to reinforce your grade-schooler's understanding of adjectives from adverbs while she's away on winter break!

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