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.

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

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

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.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.