Determine the relationship between the speed of a sound and the temperature of the air it passes through.

In kindergarten, your child spent lots of time counting things one by one. But in first grade, he'll need to be able to count in groups, especially by fives.

Whether your child wants to be a cowboy or a princess, this homemade horse prop is perfect to use in all sorts of imaginative play!

Show your first grader how to create her own octopus out of yarn. This simple, yet fun, project yields an adorable play or cuddle partner.

Make math fun for your child by turning it into a game and challenging him to beat the calculator with this cool math race!

Help your child to invent her own chore-helper to help her put that growing imagination to good use!

Collect 26 rocks and paint each one with a letter of the alphabet for your very own alphabet rock collection.

Your fourth grader be delighted to create monkey companions out of poster board! They also provide a perfect opportunity to teach her interesting monkey facts.

Parts of speech can be a difficult and dreary concept for many kids, but you can quickly turn that feeling around with this fun game.

Here's a striking barrette to make for the holidays, and enjoy for years to come!

Full of flavor and color, this versatile dish can be made as spicy or as mild as you like.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

The objective of this science fair project idea is to explore which brands of "anti-fade" shampoos work the best to keep hair color looking fresh.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

Help your preschooler or preschooler with shape recognition, math, and matching by creating your own personal shapes cards, good for home or car.

Diwali is a holiday celebrated in many Asian Pacific countries the world over. Make this delicious Indian treat with your child to celebrate the holiday.

This zombie shirt is a fun and incredibly simple Halloween costume. Have your kid don the shirt lurch around the neighborhood searching for brains...or candy!

Your child can personalize these customizable cookies for friends and family as he makes his own fortune cookies from this fortune cookie recipe.

Illustrate the importance of bicycle safety in this simple 5th grade science experiment. All you need to start are an egg, a Styrofoam ball, and rubber bands.

Give your high schooler some guidance by helping her find someone to shadow for a day--a great way to find out more about an interesting career.

Children read a famous letter from the American Civil War, then write a response, in this thoughtful history activity.

Play this game to help froggie hop home...and teach the number line to your kindergartener while you're at it!

Invite your child, and any other kids attending the Seder, to help you make this "hands on" matzah cover for Passover this year.

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

This activity will give pre-readers practice building a story. And it's silly fun, too!

Kids entranced by Little House on the Prairie? This popsicle stick "log cabin" is a great introduction to pioneer history.

Learn how to make vampire fangs for Halloween costumes and for scary playtime. See how to make vampire fangs with this great upcycled tutorial.

Everyone's heard of taking a dog for a walk. But how about an illustration? This activity teaches emerging readers to use pictures as context clues.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea explores the different properties of matter.