Variables/Scientific Method

Front

What is a variable in a scientific experiment?

Back

A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.

Front

What is an independent variable?

Back

The independent variable is what a scientist changes in an experiment to test their hypothesis.

Front

What is a dependent variable?

Back

The dependent variable is what a scientist measures in an experiment to see if it responds to a change.

Front

What is a control variable?

Back

A control variable is a factor that is kept the same throughout all experimental groups to ensure a fair test.

Front

What is the purpose of a hypothesis?

Back

A hypothesis is a testable prediction about the outcome of an experiment.

Front

What is qualitative observation?

Back

Qualitative observation involves describing characteristics or qualities, such as color or texture, without using numbers.

Front

What is quantitative observation?

Back

Quantitative observation involves measuring or counting and is expressed in numbers.

Front

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

Back

A pie chart is best for showing parts of a whole.

Front

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

Back

A line graph is best for showing trends over time.

Front

What is an interval scale?

Back

An interval scale is a numerical scale where the difference between values is meaningful, such as temperature or time.