Give examples of each. The colors could be listed across the board and various features listed under each color. Classify the type of each feature. Students will need a good detailed atlas or map similar to a state map for the United States. Continent maps do not generally have enough detail.
Shadows can help locate the North direction on the image.
Clouds and large mountains provide good shadows to study. Man-made features tend to be very geometric such as straight lines and circles. Discuss the scientific method in terms of observation, hypothesis, data collection, and conclusion. Give examples of hypotheses from science and related to images. Give some features on the image that supports the hypothesis.