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.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Need help encouraging your preschool child to organize her toys? Start with this activity, and turn sorting and categorizing into a fun game.

Want to add a little craftiness to preschool math? Break out the glue gun and create a button board!

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Get your preschooler ready for kindergarten by helping them learn numbers 1-10 with homemade snowflake counting cards in this arts and crafts activity.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

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

Create some cards and a factor board and get ready to practice multiplication. This game will help your kid get one step closer to memorizing times tables!

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!

Make pickled carrots at home! Here's a fun activity to get your child in the kitchen and make something special with no fuss or muss.

Work on simple addition and finding even numbers in this second-grade math card game.

Multiplication facts are a necessary skill, and this board game provides a fun way for your third grader to practice them!

Does the idea of taking your child to an art museum sound daunting? Create your own museum and give your child some practice with shapes!

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

Learning to count change can be tough! Help your child become a master money-counter with this simple game.

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

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Practice counting to 100 independently with this American flag craft project! 

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Guessing is more than pure fun, it's also a key part of kindergarten math. Here's a fun way to bring estimation to the breakfast table.

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

Try this card game to build math fact skills, like addition and subtraction, and have a great time, too!

For most second graders, a good secret code is just about irresistible. Here's one that builds math facts while you're at it!

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

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

Make practicing addition facts more fun and teach your child some helpful strategies with this spin off of the traditional "Go Fish" game.

Make counting coins make "cents" to your second grader while giving her the chance to practice her math skills by playing this fun game with her.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.