Young scientists learn what it takes for life on Earth to survive with this series of photosynthesis resources. Offering twelve different activities ranging from independent practice worksheets to in depth scientific...

Expectant earth scientists examine the bottom side of a leaf and learn the role of the stomata. They consider the gas exchange that occurs through these structures and relate how the climate is changing to its impact on food crops. This...

In this biology worksheet, students examine the process of respiration and specifically look at the biochemistry of gas exchange at the alveoli.

Find out where the air goes when you breathe by connecting the dots in this short activity. A clever use of a paint program makes it very clear how air moves in this interactive activity.