Variables, Scientific Questions, and Hypotheses!

Front

What is a hypothesis?

Back

A hypothesis is a testable statement based on observations and research that predicts the outcome of an experiment.

Front

What type of variable is manipulated in an experiment?

Back

Independent variable.

Front

What type of variable is measured in an experiment?

Back

Dependent variable.

Front

What is a constant variable?

Back

A constant variable is a factor that remains the same throughout an experiment to ensure that the test results are valid.

Front

What is the purpose of a scientific question?

Back

To guide the investigation and determine what is being tested in an experiment.

Front

What is an example of a scientific question?

Back

Does the brand of bubble gum affect the bubble size?

Front

What is the difference between independent and dependent variables?

Back

The independent variable is what the experimenter changes, while the dependent variable is what is measured or observed.

Front

Why is it important to have a control group in an experiment?

Back

A control group provides a baseline for comparison to see the effect of the independent variable.

Front

What is an example of a constant variable in a plant growth experiment?

Back

The amount of water given to each plant.

Front

What does it mean if a hypothesis is incorrect?

Back

It means that the predicted outcome did not match the results of the experiment.