Mrs. Jones is exploring ways to integrate three content areas of instruction in one unit of study. Her objective is to ensure her 3rd grade students understand the scientific nature of forms of energy, they have expanded their vocabulary to include energy forces, and they witness how natural events have changed communities. Which of the following is the best example of the introductory portion of an integrated unit of study? (a) Mrs. Jones discusses the scientific nature of forms of energy, reviews vocabulary students will hear in video of the 1900 Galveston hurricane, and prepares them for the changes they will see in land formation after the storm. (b) Students see a video of the 1900 Galveston hurricane and are asked to construct a 3-D model of a block of homes that remained after the hurricane. They may use images from the video to help with their replication. (c) Mrs. Jones identifies and discusses with students the vocabulary they may be unfamiliar with related to energy forces and geographical changes before they see the video of the 1900 Galveston hurricane. (d) Students see a video of the 1900 Galveston hurricane, Mrs. Jones lists vocabulary they are unfamiliar with and puts