This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Help cement the concept of place value with this simple activity that involves creating a set of dials made from Styrofoam cups.

Use this great no-bake recipe to save energy and keep cool.

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

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

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.

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

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.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Check out this twist on a peanut butter and banana sandwich. The banana replaces the bread to make the perfect fun and nutritious after-school snack.

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

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

This fun geometry game requires players to use measurement, find perimeter, and draw polygons. It's great for a fourth grade math student!

Learn about borrowing in subtraction using a deck of cards and a die! Your first grader will have fun playing this math game.

Help your kindergartener review shapes - and build early reading skills - with this creative book project.

This hands-on activity practices skip counting, a key first grade math skill. But it's silly fun!

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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

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

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 the way in which color affects memorization.

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

Play this fun game with your kindergarten or first grader. It's a great way to practice important math skills, including counting and addition.

A hands-on guessing game that teaches kids to recognize different coins. First graders will learn their money and their math at the same time!