DEPENDENT & INDEPENDENT VARIABLES
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DEPENDENT & INDEPENDENT VARIABLES

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Webscience is an affiliate project of Sciencetutors. All Slideshare presentation by sciencetutors + Webscience. Please for more resources visit: www.sciencetutors.zoomshare.com or ...

Webscience is an affiliate project of Sciencetutors. All Slideshare presentation by sciencetutors + Webscience. Please for more resources visit: www.sciencetutors.zoomshare.com or www.slideshare.net/sciencetutors.
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DEPENDENT & INDEPENDENT VARIABLES DEPENDENT & INDEPENDENT VARIABLES Presentation Transcript

  • UNDERSTANDING DEPENDENT & INDEPENDENT VARIABLES CHAPTER 0NE: INTRODUCTION TO www.sciencetutors.zoomshare.com
  • CIRCUS OF EXPERIMENT Objectives To recap and ensure that the independent and dependent variables are placed correctly for a range of experiments in tables. To record data from an investigation.
  • Starter Activity
    • Do plastic bags of different colours have the same strength
    Learning is fun when behaviour is good
    • Do different types of plants grow to the same size
    Want to maximise participation? Listen, Focus and Contribute meaningfully.
    • Does ice melt quickly or slowly in water at different temperatures
    Listen, Learn and Participate
  • DEPENDENT VARIABLE In an experiment that which is supposed to be changed by the independent.
  • INDEPENDENT VARIABLE In an experiment that which is supposed to be manipulated by you. The variable manipulated by the experimenter.
  • On a simple X-Y coordinate line graph the independent variable is always on the X-axis.  DATA ANALYSIS
    • List two independent variables that could affect how quickly or slowly the ice will melt. Why are the variables independent?
    Listen, Learn and Participate www.sciencetutors.zoomshare.com
  • YOUR TASK
    • Independent Variable: A variable in an experiment which is altered by the experimenter.
    • Write down a list of variables that will be altered by you if asked to investigate:
    • Photosynthesis in plants
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  • MOVEMENT OF OBJECTS
    • You are investigating the movement of objects on ramps. What variables will you change? And what variable will you keep the same?
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  • Electromagnets
    • How To Make an Electromagnet
    • http://www.youtube.com/watch?v=ckSNA0MlcBE
    Want to maximise participation? Listen, Focus and Contribute meaningfully.
  • Investigating Factors Affecting the Time Taken For Indigestion Tablet To Dissolve
    • Can you plan this experiment and draw a table with two columns and write down the variables on either side of the columns.
  • YOUR TABLE Explain why the variables you have chosen are dependent and independent Dependent Variable Independent Variable