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

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

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 simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Get your child excited about measuring with this fun and easy household measurements activity.

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

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!

Use familiar household items and decorations to turn estimation into a fun game!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?