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In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!