Learn how and why engineers test their designs to see how well they work. They collect and analyze data to revise and improve solutions in an iterative process.
Engineers use an iterative process to evaluate, revise, and improve solutions.
Engineers test their designs to see how well they work. Then they use their observations and data to test their design, then test it again. The educator in this video explains how to test balloon-powered cars and encourages youth to improve their designs.
STEM activities are engaging, interactive and hands on experiences for youth. But what happens when members of a group are not interacting? In this video, pay close attention to how the facilitators work with a group if members become disengaged. Listen to the supportive but firm voice of the adult, as she re-directs the group. Pay special attention to how staff listen, maintain a supportive attitude, and model effective collaboration skills.
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