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

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

Is your third grader bombing around on a bike these days? Here's a way to put all that fun time together with some math learning, too.

Here's a math activity that uses coin riddles to help your third-grader improve his coin-counting and logical thinking skills.

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

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.