The independent variable is changed; the dependent variable is measured.
Take a 5-question practice quiz on Variables and Hypotheses, with every answer explained.
1. A student tests how water temperature affects the time sugar takes to dissolve, recording the time for each trial. Which variable is the dependent variable?
2. A student changes the amount of light plants receive and records their growth. Which variable is the independent variable?
Memorize the key concepts of Variables and Hypotheses with 7 flashcards.
What form does a hypothesis take, and which variables does it involve?
An if–then statement involving an independent variable and a dependent variable.
What is the purpose of an if–then hypothesis?
It states a relationship involving an independent variable and a dependent variable.
Which variable is changed or tested in an experiment?
The independent variable.
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