First graders explore the specific needs, characteristics, and uses of plants. They discuss the needs of plants as they grow. Students observe plants in various settings as they grow and note the changes they see.

In this "Incredible Journey" worksheet, students will respond to the questions pertaining to the film. Students will read 8 multiple choice questions and study the pictures about what they have watched.

Using NASA satellites, scientists track the shifting, interrelated patterns of grizzlies and plants. David Laskin explains how this data can help protect the threatened bears. [4:15]