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

Here's a simple math activity that has your child using her basic addition facts to solve a secret code.

Build this game, and give your kid some hands-on practice ordering numbers. Soon your first grade kid will be Master of the number line!

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

This project compares different liquids and the freezing, melting and boiling points of liquids.

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

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.

This flannel board will give your child hands-on practice with math, but in a fun format, full of ladybugs.

This activity with add some fun and education to long car trips. Perfect for family vacations!

Do you think heat can affect a plant's growth rate?

Play this daily money game with your 2nd grade child to help his math skills.

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

Determine whether the relationship between a personâs armspan and height are genetic.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Kids will get a kick out of shopping for discounted "kicks" with this creative math game that focuses on percentages.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Help your child see numbers three ways with this simple grab-and-go game, great for quick practice in the car.

Run, jump, and skip your way to physical fitness as your exercise with dice! It's a perfect party or family game.

Make a big green alligator with household items and help your kindergartener practices letters and sounds!

It's important to be able to add and subtract quickly and accurately, and this activity is the perfect way to practice.

There's nothing like a treasure hunt to get kids excited about math and sorting.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

Your child can count out six pumpkins or six crayons, but what is a six all by itself? ThatÃs a much harder concept to grasp.