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When you enter… Think First

When you enter… Think First. Think first and record your answers to the following questions in your composition book…Leave the first three full pages blank (4 min.). Title your response “Popcorn Popping.” When directed, talk to a neighbor about your thinking (each person shares for 1 min.).

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When you enter… Think First

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  1. When you enter…Think First Think first and record your answers to the following questions in your composition book…Leave the first three full pages blank (4 min.). Title your response “Popcorn Popping.” When directed, talk to a neighbor about your thinking (each person shares for 1 min.). Why does a popcorn kernel pop? What is happening inside the kernel? What evidence supports your thinking? How does “popping” relate to other similar phenomena? Be prepared to share with the class. Find your seat according to the seating chart Please display your name cards Turn in your candle lab in the appropriate basket in the back

  2. Popcorn…yummmy! Why does a popcorn kernel pop?

  3. Today’s Learning Target I/We can plan and conduct a scientific investigation choosing a method appropriate to the question being asked.

  4. Data Collection and Analysis Giraffe population Giraffe population Is there something missing on the graph?

  5. Lab Safety • Always wear safety glasses/goggles • Tie back long hair • Know where the fire blanket and fire extinguisher are located • Always wear closed toed shoes on days you have chemistry • Wear an apron if you are wearing shorts/skirt/dress • Never horseplay • Do not sit on the counters • No running • Immediately report accidents (glass breakage, chemical spills, injuries) to Mr. George • You may not participate in the lab if you are not dressed appropriately or if your behavior is inappropriate

  6. Popcorn details Four types of popcorn Out of the container In oven at 110° C for 1 hour In freezer at -2° C over night Soaked in water at room temperature over night

  7. Popcorn inquiry lab exit directions In groups of 3, develop a plan to determine the effects of the environment on the percentage of water in a popcorn kernel by mass OR the percentage of corn that pops in four different types (different environments) of popcorn (problem). Make a prediction (answer your problem question). Write down your procedure including the data you want to collect. Get approval from your instructor before beginning the experiment. Collect and record your data. As you work through the lab, write in your journal any questions that come to mind. Be prepared to share your questions at the end of class today. Record your work on your own paper. Finish clean-up by _______. If you finish early, determine what type of graph(s) would best analyze your data and make a sketch of it on graph paper. Also, write a conclusion about your results. Homework: Finish graph(s) and conclusion

  8. Why are we doing this lab? NEW: Content Standard:   9-12 INQB Investigate Scientific progress requires the use of various methods appropriate for answering different kinds of research questions, a thoughtful plan for gathering data needed to answer the question, and care in collecting, analyzing, and displaying the data. OLD: 2.1.2 Understand how to plan and conduct systematic and complex scientific investigations CPSD DU: While scientists in different disciplines may appear to "do science" differently, they all use the core skills of scientific investigation (i.e. observing, hypothesizing, collecting data, interpreting data, and communicating results) in the research they do. To encourage student discourse

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