4.1.6

Variables

Test yourself

Variables

There are lots of factors that can change in an experiment. These factors need to be monitored closely in order to analyse your data and be able to explain your results.

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Types of variables

  • There are three types of variables:
    • Independent variables
    • Dependent variables
    • Control variables
Illustrative background for  Independent variableIllustrative background for  Independent variable ?? "content

Independent variable

  • The independent variable is the variable that you change in an experiment.
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Dependent variable

  • The dependent variable is the variable that is measured in an experiment.
Illustrative background for Control variablesIllustrative background for Control variables ?? "content

Control variables

  • Control variables are the variables that are kept the same in an experiment.
    • Control variables help you to measure the influence of the independent variable.

Jump to other topics

1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Disciplinary Knowledge

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