The nature of science
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The Nature Of Science. Chapter 1 Section 1 Continued…. Experiments. One thing that all experiments have are variables. Variables are the different factors that can change in an experiment. There are three types of variables we use in experiments Independent variables Constants

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The Nature Of Science

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The Nature Of Science

Chapter 1 Section 1 Continued…


Experiments

  • One thing that all experiments have are variables. Variables are the different factors that can change in an experiment.

  • There are three types of variables we use in experiments

    • Independent variables

    • Constants

    • Dependent variables


Experiments

  • Independent variables- These are the variables that change in your experiment

    • So for example, in yesterdays demonstration with the Coke and Diet coke the variables where the coke and diet coke. Because I didn’t just test only the diet coke, or only the regular coke.


Experiments

  • Constants- These are the variables that don’t change in an experiment.

    • So yesterday some of the constants were the amount of water in the tank, the size of the cans, the material that made the can.


Experiments

  • Dependent Variables- this is the variable being measured.

    • Again in the coke vs. diet coke experiment the dependent variable was how well each can floated.


Experiments

  • Also there are controls. Controls are not always used in experiments but often are. Controls- are a standard to which your results can be compared.

    • A control we could have used, but we didn’t would be a coke can full of water. This would have shown us that the metal can does not affect the buoyancy.


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