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

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

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.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Practice measurement using centimeters in this fun math race designed for your second grade student!

Help your preschooler grasp the concept of ordering and sequence while teaching him valuable vocabulary with simple activities around the house.

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

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.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This project concerns activity happening millions of miles away, on the sun.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

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

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

This Christmas plate features your child's favorite holiday things through drawings. Make a Christmas plate with your child this holiday season.

Have your child construct his own Christmas tree from construction paper while cutting, overlapping and measuring to create an adorable modern design.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

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

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

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