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

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

In this activity, your child will create a red envelope that can be filled with money to spread good will and ward off evil spirits in the New Year.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

Getting kids to memorize their times tables can be worse than pulling teeth. Sweeten the deal with this activity that combines math and sugar.

Practice counting, sequencing, and pattern recognition with your young learner in this fun math card game!

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

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

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

Any decent Halloween celebration isn't complete without a cat. Even though this cat has an arched back to look as if it's hissing, it's still cute!

Try this fun addition game with your second grader! Arrange playing cards to find the largest possible sums.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This spider hat activity challenges your child to learn about spiders and improve fine motor skills. Make a spider hat with your child on Halloween or any time.

Engage your third-grader in this version of the classic game and she will get lots of practice using mental math to solve addition and subtraction problems.

This Hanukkah countdown craft will help your little one count the eight nights of Hanukkah. Make a Hanukkah countdown calendar with your child.

Create addition problems using critical thinking skills in this fun second grade math card game.

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.

These bean bag games are a fun and inexpensive way to keep your child learning! Work on social skills, coordination, math, or even spelling!

Looking for a cool game to help your first grader learn her 11s? Look no further than this clever one-person card game.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Boost shape recognition with this matching game where your child will pair up sticks to create simple shapes.

Create equations in this strategic math card game. Your second or third grader can practice addition, subtraction, multiplication, and division in a new way!

Prepare for some scary Halloween counting practice! This game encourages players to knock down cylinders and then add to determine their scores.

Practice counting with this winter kindergarten art project! As your child sculpts a clay igloo, he will work on math and dexterity and learn about snow.

This project examines the concentration of dissolved oxygen in water, with and without oil.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate