In this hands-on craft project, kids will make an analog clock of their own, and then use it to learn how to tell time.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Use Henri Matisse as inspiration for your preschooler or kindergartener to create a unique and funky paper shapes collage in this arts and crafts activity.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Here's an activity that will get your child's attention with a back-to-school shopping spree. He'll use decimal skills to add, subtract, multiply, and divide!

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

In this leap frog activity, your child will use their muscles to jump over friends and onto lily pads as they practices number recognition.

Introduce the idea of measuring weight to your preschooler or kindergartener by making a fun and easy-to-use bungee scale to weigh household objects.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

With this fun activity, you can help your preschooler make an cute shopping notepad to keep and use or give away as a gift. Here's how:

Head out to the driveway, ball in hand, for a bouncing challenge. Then use those results to make a colorful graph that lets your child compare results.

This copying game is like a hopped up version of Simon Says, but it lets kids use their bodies to practice patterning, a key skill in early math.

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

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.

Put your junk mail to good use! Armed with a stack ads and a few simple art supplies, your preschooler can make a cool poster for his room.

Find sums of 10 in this fun first-grade math card game that helps kids build addition skills. Help your child use critical thinking skills to find the sums.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Use old coffee cans and socks to make a beanbag toss game for kids in preschool and kindergarten. This activity is great for math and coordination.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Does your preschooler like cereal? Explore numbers with everyday objects and food with this fun counting activity.

Create a fun hands-on game to practice long division, using magnetic numbers on a fridge.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Play a game of "restaurant" to reinforce real-world applications of counting and using money.