Designing Experiments Review

Front

What is an independent variable?

Back

The independent variable is the factor that is changed or controlled in an experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

The dependent variable is the factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

Front

In the hypothesis 'If the concentration of sugar dissolved in water increases, the water will take longer to boil', identify the independent variable.

Back

Concentration of sugar.

Front

In the hypothesis 'If the concentration of sugar dissolved in water increases, the water will take longer to boil', identify the dependent variable.

Back

Time to boil.

Front

What type of graph is best for showing trends over time?

Back

Line Graph.

Front

What type of graph is best for comparing different groups?

Back

Bar Graph.

Front

What type of graph is best for showing parts of a whole?

Back

Pie Chart.

Front

What is the purpose of a control group in an experiment?

Back

A control group is used as a standard for comparison to determine the effect of the independent variable.

Front

What is a hypothesis?

Back

A hypothesis is a testable statement or prediction about the relationship between two or more variables.

Front

What does it mean to 'control' variables in an experiment?

Back

Controlling variables means keeping them constant to ensure that any changes in the dependent variable are due to the independent variable.