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Pendulum Investigation. 08.31.12. Lab Report Format Copy for Warm-up. Testable Question Background Information/Research Hypothesis Materials Variables and Controls Procedure Safety Results Conclusion. Testable Questions. How is the period of a pendulum effected by length?

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Lab report format copy for warm up
Lab Report FormatCopy for Warm-up

  • Testable Question

  • Background Information/Research

  • Hypothesis

  • Materials

  • Variables and Controls

  • Procedure

  • Safety

  • Results

  • Conclusion


Testable questions
Testable Questions

  • How is the period of a pendulum effected by length?

  • How is the period of a pendulum effected by mass?

  • How is the period of a pendulum effected by release angle?


Background information
Background Information

  • Pendulum – body mounted so it swings freely with gravity

  • Period – time for pendulum to complete 1 swing

  • Simulation


Materials
Materials

  • Fishing line

  • Rubber stoppers

  • Protractor

  • Stopwatch

  • Meterstick

  • Balance

  • Tape


Safety
Safety

  • Basic laboratory safety

  • No specific issues


In lab groups
In lab groups…

  • Write a detailed procedure for one testable question

  • Identify the variables and controls for one testable question

  • Create data table(s)


Warm up
Warm-up

What factors should be considered when designing the pendulum investigation?


7 th period warm up
7th period warm-up

  • What are the last two sections of a lab report?


Seventh period
Seventh period

  • Complete investigation plan up to and including procedure.

  • 10 minutes

  • Work with person sitting next to you.

  • Check with Mr. Founds if time permits


After collecting data
After collecting data…

  • Create graph displaying data

  • Write conclusion in paragraph format. Include:

    • Restate testable question

    • Summarize procedure

    • Summarize data

    • Evaluate hypothesis

    • Suggest improvements

    • Suggest further investigations


Conclusion
Conclusion

  • In paragraph format…

    • What were you testing? (testable question)

    • How did you complete your test? (procedure)

    • What were the results? (graph)

    • How could the investigation be improved?


Warm up1
Warm-up

Why is the pendulum lab considered a controlled scientific investigation?


Science warm up
Science Warm-up

  • What are some challenges that your group has faced so far with the pendulum investigation?


7 th period warm up1
7th period warm-up

  • In the investigation you designed yesterday, what was your independent variable?

  • For the pendulum lab, why is having ONLY ONE independent variable important?


Procedure
Procedure

  • Choose what to test (length, mass, or angle)

  • Select 3 different variables

  • Complete 3 trials for each variable

  • Keep all other factors the same

  • Complete table

  • Graph data

  • Write conclusion


Before you begin
Before you begin

  • On a piece of scrap paper…

    • What is your IV?

    • What is your DV?

    • Why are we doing multiple trials?

    • What do you do after collecting data?


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