Read each research question below. Identify the IV, DV, and CV of each experiment. What amount of sunlight makes pea plants grow tallest?

IV:

DV:

CV:

Which type of soda has more sugar: Brand X, Brand Y, or Brand Z?

IV:

DV:

CV:

Is the height of a ball’s bounce affected by the height from which the ball is dropped?

IV:

DV:

CV:

Which battery will last the longest: Superlast or Energy Star?

IV:

DV:

CV:

5. Is the water temperature of Lake Michigan affected by the depth of water?

IV:

DV:

CV:

The factors that are kept the same in an experiment.

The is also known as the responding variable.

This is the one thing that is changed by the experimenter.

This is also called the manipulated v

This question has many subsections, the answers to the questions are below

Explanation:

Independent variable (IV) is the variable that is changed or manipulated by the experimenter while the dependent variable (DV) is the variable that is being measured in an experiment. The control variable (CV) is the variable that is kept constant throughout the experiment. The DV, IV, and CV for the following experiment are:

Independent variable (IV) is the variable that is changed or manipulated by the experimenter while the dependent variable (DV) is the variable that is being measured in an experiment. The control variable (CV) is the variable that is kept constant throughout the experiment. The DV, IV, and CV for the following experiment are:

1. What amount of sunlight makes pea plants grow tallest?

IV: Amount of sunlight

DV: Height of pea plant

CV: Same pea plant, Water

2. Which type of soda has more sugar: Brand X, Brand Y, or Brand Z?

IV: Type of Soda

DV: Sugar content

CV: Same volume of soda

3. Is the height of a ball’s bounce affected by the height from which the ball is dropped?

IV: Height from which ball is dropped

DV: Height of ball's bounce

CV: Same weight of ball, same size of ball

4. Which battery will last the longest: Superlast or Energy Star?

IV: Type of battery

DV: longevity of battery

CV: Same usage period

5. Is the water temperature of Lake Michigan affected by the depth of water?

IV: Depth of water

DV: Water temperature

CV: Same lake

The factors that are kept the same in an experiment is the CONTROL VARIABLE

The is also known as the responding variable- DEPENDENT VARIABLE

This is the one thing that is changed by the experimenter- INDEPENDENT VARIABLE

This is also called the manipulated variable- INDEPENDENT VARIABLE

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