Scientific method and variables

Front

What is the independent variable in an experiment?

Back

The independent variable is the one being changed or manipulated by the scientist.

Front

How many independent variables should an experiment have for it to be valid?

Back

An experiment should have 1 independent variable.

Front

What is the dependent variable in an experiment?

Back

The dependent variable is the one that is measured or observed in response to changes in the independent variable.

Front

In Ms. G's sunflower experiment, what is the dependent variable?

Back

The height of the sunflower plant.

Front

If you increase spinach intake, what is the dependent variable related to iron levels?

Back

The increase in the amount of iron in your blood.

Front

In the bike vs. walking scenario, what is the dependent variable?

Back

How fast you get to school.

Front

What is a control group in an experiment?

Back

The control group is the group that does not receive the experimental treatment and is used for comparison.

Front

What is the purpose of the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is a hypothesis?

Back

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

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.