Classes are a bit shorter today due to early release (every Monday). Benson will be gone today, so students will do a worksheet. Honors students: MESPOWs for this week are #1 and #29. Read them both carefully and choose one to do with the WS.
Students will do an introductory lab activity related to the composition of the atmosphere.
Students will listen and take notes as Benson explains "The Hole in the Ozone Layer". To download/view the presentation, go to Benson's teacher page and select the link titled, "Click Here to Download PowerPoints". If you were gone, get a copy of the notes handout and fill in the notes as you view the presentation. Also read this web page, and watch the video of the week below.
Benson will show students a demonstration, and then students will continue to take notes and learn about the hole in the ozone layer. If you were gone, copy the notes from a classmate and read this web page. Be sure to select the arrow to watch the change over several years. Also, read this page and watch the video below.
Students will do an introductory lab activity to help them understand experimental design.
Question(s) of the week: What causes the hole in the ozone layer to appear over Antarctica every September through November? Why does the hole affect the rest of the world?