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Agenda

Agenda . Qualitative vs. Quantitative Lab Rules What do we do at the end of a lab? Emergencies Safety Poster Activity. Qualitative vs. Quantitative Observations. Qualitative = descriptive, tough to measure (the basketballs are orange)

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Agenda

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Presentation Transcript

  1. Agenda • Qualitative vs. Quantitative • Lab Rules • What do we do at the end of a lab? • Emergencies • Safety Poster Activity

  2. Qualitative vs. QuantitativeObservations • Qualitative = descriptive, tough to measure (the basketballs are orange) • Quantitative = measurable/numerical observations (there are 10 basketballs)

  3. Science Safety Rules • Preparing for the Lab • Performing the Lab • End-of-Lab Procedures • Safety in the field

  4. Read, Read, Read the procedures Ask Questions Symbols Pay Attention Follow instructions Preparing and Performing the Lab

  5. End of Lab • Clean – up • Turn off and unplug • Dispose of any wastes per teacher instructions • Wash your hands

  6. In the Field • Always have a buddy • Follow procedures • Use common sense

  7. Accidents • Notify the teacher • Listen for instructions

  8. What’s Wrong?

  9. What Would You Do? • 1. You accidentally knock over a glass container and it breaks on the floor. • 2. You accidentally spill a large amount of water on the floor. • 3. You suddenly you begin to smell a “chemical” odor that gives you a headache. • 4. You hear the fire alarm while you are working in the lab. You are wearing your • goggles and are in the middle of the experiment. • 5. While your lab partner has her lab goggles off, she gets some liquid from the • experiment in her eye. • In each of the following situations, explain how or why the proper safety procedures • are not being followed. • 6. Gina is thirsty. She rinses a beaker with water, refills it with water, and takes a • drink. • 7. It is rather warm in the laboratory during a late spring day. Anna slips off her • shoes and walks barefoot to the sink to clean her glassware. • 8. While washing glassware, Mike splashes some water on Evon. To get even, Evon • splashes him back. • 9. During an experiment, Lindsey decides to mix two chemicals that the lab procedure does not say to mix, because she is curious about what will happen.

  10. SAFETY POSTER • How can I be safe in the lab? • Picture (on computer paper) • Poem • Song • Comic • Each must have a key saying • Example “Be wise and protect your eyes”

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