forensics_csifiles_kit_fixed

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This page may have been changed from the original version 2.0 CSI Files Kit A teaching sequence from the Forensics unit of upd8 wikid Activity from the Forensics unit © upd8 wikid, built by cracking science

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2 7E Learning Cycle Students identify hazards and how to remove them at a crime scene Students are shown their special ‘Forensics Kit’ Students wonder which chemicals might be dangerous They figure out what the hazard of each chemical is Confirming the chemical hazard symbols Identifying hazard symbols on damaged bottles

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Activity 2: Kit This page may have been changed from the original 3 Activity from the Forensics unit © upd8 wikid, built by cracking science Billie, I’m going to give you a special forensics kit for your missions. It is powerful and, if you don’t know how to use it, dangerous. So pay attention! Engage Elicit Explore Explain Elaborate Extend Evaluate

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4 Activity from the Forensics unit © upd8 wikid, built by cracking science First, here’s your essentials. What do you think you need them for? Engage Elicit Explore Explain Elaborate Extend Evaluate Goggles Test tubes Bunsen burner Test tube holder Activity 2: Kit This page may have been changed from the original

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5 Activity from the Forensics unit © upd8 wikid, built by cracking science Billy, there are lots of chemicals you’ve never seen before in the kit. Which do you think are dangerous and why? Engage Elicit Explore Explain Elaborate Extend Evaluate Hydrochloric acid Sodium hydroxide Fingerprint spray Tissue preserver Universal Indicator Ethanol Activity 2: Kit This page may have been changed from the original

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Hydrochloric acid Sodium hydroxide Fingerprint spray Tissue preserver Universal Indicator Ethanol 6 Activity from the Forensics unit © upd8 wikid, built by cracking science Engage Elicit Explore Explain Elaborate Extend Evaluate I want you to work out which chemicals are hazardous, and label them with the symbols. h i Activity 2: Kit This page may have been changed from the original

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7 Activity from the Forensics unit © upd8 wikid, built by cracking science These are the chemicals and their dangers, which we call hazards. Engage Elicit Explore Explain Elaborate Extend Evaluate Sodium hydroxide and hydrochloric acid are CORROSIVE Ethanol is FLAMMABLE h Universal indicator is HARMFUL i Tissue preserver is IRRITANT Fingerprint spray is TOXIC Activity 2: Kit This page may have been changed from the original

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Activity 2: Kit This page may have been changed from the original 8 Activity from the Forensics unit © upd8 wikid, built by cracking science A CSI sometimes arrives at a scene and has to make it safe. Engage Elicit Explore Explain Elaborate Extend Evaluate

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Activity 2: Kit This page may have been changed from the original 9 Activity from the Forensics unit © upd8 wikid, built by cracking science Can you spot all the hazards at this crime scene? What would you do to make it safe? Engage Elicit Explore Explain Elaborate Extend Evaluate

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Activity 2: Kit This page may have been changed from the original 10 Activity from the Forensics unit © upd8 wikid, built by cracking science The labels on some of our bottles have been damaged. Can you identify the symbols and name them? Engage Elicit Explore Explain Elaborate Extend Evaluate Flammable irritant toxic harmful corrosive

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Activity 2: Kit This page may have been changed from the original 11 Activity from the Forensics unit © upd8 wikid, built by cracking science Engage Elicit Explore Explain Elaborate Extend Evaluate Flammable irritant toxic harmful corrosive

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Activity 2: Kit This page may have been changed from the original 12 Activity from the Forensics unit © upd8 wikid, built by cracking science Engage Elicit Explore Explain Elaborate Extend Evaluate Flammable irritant toxic harmful corrosive

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Activity 2: Kit This page may have been changed from the original 13 Activity from the Forensics unit © upd8 wikid, built by cracking science Engage Elicit Explore Explain Elaborate Extend Evaluate Flammable irritant toxic harmful corrosive

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Activity 2: Kit This page may have been changed from the original 14 Activity from the Forensics unit © upd8 wikid, built by cracking science Engage Elicit Explore Explain Elaborate Extend Evaluate Flammable irritant toxic harmful corrosive