During the Quest, students read informational texts, pulling evidence and details to support arguments. Reading activities are concentrated in the first half of this unit; however, students will continue to refer back to the material in the Eureka! Files reader throughout the Quest. Students will read biographical articles about eight inventors, detailed histories of important inventions, and scientific explanations of simple machines. Some of the content of the Quest will be familiar to students who have had Core Knowledge instruction in the past: the microscope, George Washington Carver, Thomas Edison, and the Wright Brothers all appear in earlier CKLA™ units.