NO-PREP NEEDED! PPT, student activity and worksheet, exit ticket, check for understanding questions, video clips, and great visuals! My students enjoy the interactive magnet scavenger hunt activity as well as the examples and video clips!
This 45 minute lesson starts out with a "metal scavenger hunt". Each pair of student has a magnet and is required to record on their worksheet which objects around the classroom are metal and which ones are nonmetals. This activity is to get students up and moving while thinking about how something that is shiny and malleable can possibly not be a true metal. I then lead a roughly 15 minute PowerPoint on metalloids and their physical properties. Towards the end of the PPT I have a picture of a PS4 and ask students what happens to their game console if they play it all day. This leads to a discussion on "semi-conductors" and the role that metalloids play in the technology sector. Lesson wraps up with a check for understanding, giving three scenarios about a substance and having students label that substance as either a metal, nonmetal, or metalloid based on its physical properties. Students wrap up with a 5-question exit ticket.
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