Controlled Experiments

Front

What is the variable being TESTED in a controlled experiment?

Back

Independent variable

Front

In the hypothesis 'IF Plant A receives fertilizer, THEN it will grow larger than Plant B', what is being MEASURED?

Back

Plant growth

Front

Which statement is NOT true about a hypothesis?

Back

It will always be supported by the experiment.

Front

When testing how fertilizer affects plant growth, how should the plants be?

Back

The plants should be exactly the same (size, health, age).

Front

In a controlled experiment, what is true about the variables?

Back

All variables are constant except the one you are testing.

Front

What is a hypothesis?

Back

A testable explanation for a phenomenon, often written in an IF-THEN format.

Front

What is the dependent variable in an experiment?

Back

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

Front

What is a constant in a controlled experiment?

Back

A variable that remains unchanged throughout the experiment.

Front

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

Back

To provide a baseline for comparison against the experimental group.

Front

What does it mean to conduct a fair test?

Back

To ensure that only one variable is changed while all others are kept constant.