Living Environment Regents DRILL 2

Front

What does the white coloring inside the artificial cell indicate?

Back

It proves NO starch indicator passed through the membrane.

Front

What does the blue-black coloring inside the artificial cell indicate?

Back

Starch indicator passed through the dialysis membrane.

Front

What does the amber coloring of the fluid indicate?

Back

It proves NO starch has passed through the membrane.

Front

What type of variable is the fertilizer in a plant growth experiment?

Back

Independent variable.

Front

How can you make an experiment more valid?

Back

Increase the sample size, repeat the experiment, and add more trials.

Front

What is a dependent variable?

Back

The variable that is measured or observed in an experiment.

Front

What is an independent variable?

Back

The variable that is changed or controlled in an experiment.

Front

What is a control variable?

Back

A variable that is kept constant to ensure a fair test.

Front

What is the purpose of a hypothesis in an experiment?

Back

To provide a testable prediction about the outcome.

Front

What is the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.