Study

Lifeboat Test

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  • what we find out by doing the experiment , the results
    dependent variable
  • what are 3 variables that could affect the number of pennies
    dry off pennies, distribute pennies evenly, place pennies gently, conditions of sea
  • how many variables can be changed at a time in an experiment?
    ONE
  • anything that you can change in an experiment that might affect the outcome
    variables
  • what we know before the experiment starts
    independent variable
  • the method used so that everyone's method is the same
    standard method
  • Is this is a good or bad Experiment? 3 of the same seeds, 3 of same pots, 3 different types of dirt, 3 different places
    Bad! Changed dirt and location!
  • The y axis is the
    dependent variable
  • The greater the capacity the _______passengers
    more/greater
  • What prediction would you make with a capacity of 30 ml?
    11 pennies
  • what is the prediction of passengers for a capacity of 90 ml
    35
  • the x axis is the
    independent variable
  • greatest amount of liquid a container can hold
    capacity
  • when all the variables are controlled so that the experimenter can observe the affect of one variable at a time
    controlled experiement