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Describe how design , as a creative planning process, leads to useful products and systems. Describe how troubleshooting as a problem-solving method may identify the cause of a malfunction in a technological system. Identify and collect information about everyday problems that can be solved by technology and generate ideas and requirements for solving a problem. Select and safely use appropriate tools, products and systems for specific tasks.
As students settle down for the day's lesson, I present the following video and ask, "How do we know that all of these events have happened? I follow up with the question, "Well, how do we know what happened before there were people to write things down? I tell the students that today's lesson will help them understand several big ideas that scientists use to determine the history of the Earth, and begin the following presentation. Throughout the presentation, there are several opportunities for the students to Think-Pair-Share answers to the embedded questions.