Together, water and photosynthesis are the source of all life on Earth! Little curious minds will enjoy discovering the ins and outs of photosynthesis.

Students use a food web to identify the roles of organisms in an ecosystem and draw conclusions about the cycling of matter and flow of energy.

Learn about the features of plant and animal cells in this compare-and-contrast worksheet!

Bring a plant cell to life by coloring each organelle in this middle-grade worksheet!