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DEPENDENT & INDEPENDENT VARIABLES
 

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
      www.sciencetutors.zoomshare.com
    • 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?
      www.sciencetutors.zoomshare.com
    • 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