The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Is your child a young ornithologist in the making?

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

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