Presentation - variables in science experiments

Multiple Choice

What is an independent variable in an experiment?

• The outcome of the experiment

• What you change in an experiment

• The result of the experiment

• The control variable.

Multiple Choice

Fill in the blank: In an experiment, the independent variable is what you ______.

• A) observe

• B) change

• C) measure

• D) ignore

Multiple Choice

In the context of an experiment, what does the independent variable determine?

• A) The hypothesis

• B) The outcome

• C) The control

• D) The procedure

Multiple Choice

In an experiment, the dependent variable is the effect that results from changing the ________ variable.

• independent

• dependent

• constant

• control

Multiple Choice

The dependent variable is what you ________ in an experiment.

• change

• measure

• ignore

• control

Multiple Choice

What is the role of a control in an experiment?

• To change the outcome

• To stay the same

• To confuse the results

• To alter the variables.

Multiple Choice

Why is a control important in an experiment?

• A) It changes the outcome

• B) It ensures results are due to the independent variable

• C) It confuses the results

• D) It alters the variables.

Multiple Choice

In an experiment measuring the effect of temperature on solubility, what is the Independent Variable?

• Temperature

• Solubility

• Type of solvent

• Amount of solute