Got a shoelace? Got a kindergartener? Help your child learn to use the number line by creating one out of a lace.

Ever wonder how those kooky kazoos work? Get to know the science behind this silly instrument by making your very own kazoo!

This science fair project idea explores how water and ice can change the form of rocks.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Encourage a bit of mystery and intrigue by teaching your clever kid how to create and use secret codes.

Help your child make a recycling poster for your household and teach them how to take care of the environment!

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

Spend an afternoon outdoors and add a personal touch to clothes or other items of fabric by learning how to tie-dye.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea explores how far the average human can see.

Get kids excited about gathering their school supplies by teaching them how to make their own writing supplies!

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

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Want to get your bookworm interested in science? Check out this cool activity that teaches kids how to write science fiction!

Has your junior chef moved beyond chicken nuggets and mac and cheese? Challenge him to create his own brand of infused olive oil.

Learn how to make a trick-or-treat bag for Halloween. See how to make a decorative trick-or-treat bag with this Halloween craft tutorial.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Start thinking about how the internet works by assembling an Ethernet cable of your own!

Little hands and feet can be a big help when learning how to measure! In this activity your preschooler will practice using a ruler and writing numbers.

Help your 4th grader learn how to make a topographic map and strengthen key grade level social studies and math skills in the process.

Learn how to make a mustache with these simple instructions. See how to make a mustache on a stick for Halloween, costume parties, or dress up.