This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

This cookie dough handles like molding clay, but also makes delicious cookies. Use this activity to strengthen your child's alphabet skills.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

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

Make this delicious warm apple bread for Hanukkah.

Teach your child what a sugar plum is with this easy recipe that gets your child to chop, mix, and roll his way to a delicious treat.

Stringy orange ghoul guts are actually a healthy and gross-looking appetizer for your child's Halloween party.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

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!

This science fair project idea determines which flower lasts the longest.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.