500
Shawna looked at some frogs in a pond. She noticed their colors and how they hopped from rock to rock. One frog was by himself so she thought he was lonely. Shawna noticed how the frog caught the fly with his tongue, so she sketched a photo of it. She took photos of the frogs she saw and later, sorted them by type of frog. What scientific skills did Shawna use?
Observing, inferring, making models, and classifying