Create an experiment and identify the independent, dependent and list 2 controlled variables. Format your response like this:
Experiment Scenario:
Independent Variable:
Dependent Variable:
Controlled Variables:
1.
2.
Which of the following best defines an independent variable in a science experiment?
The variable that remains constant throughout the experiment
The variable that is manipulated or changed
The variable that is affected by the independent variable
The variable that is measured or observed
In an experiment investigating the effect of different fertilizers on plant growth, which of the following is the dependent variable?
The amount of sunlight received
The type of fertilizer used
The height of the plants
The temperature in the greenhouse
In a study examining the impact of 30 minutes of exercise on heart rate, which of the following are controlled variables? Select all that apply.
Make sure not to select the independent or dependent variable.
The age of the participants
The type of exercise performed
The heart rate before starting the exercise
The heart rate after the exercise
30 minutes of exercise
The temperature/climate where the exercise is taking place
Which of the following is an example of an independent variable in an experiment about the effect of temperature on the rate of chemical reactions?
The temperature at which the reaction is conducted
The concentration of the reactants
The volume of the reaction mixture
The time it takes for the reaction to occur
In a study investigating the effect of different study techniques on test scores, which of the following is the dependent variable?
The time spent studying
The type of study materials used
The number of participants in the study
The test scores achieved
In an experiment examining the effect of different types of soil on plant growth, which of the following is an independent variable?
The type of soil used
The temperature in the greenhouse
The height of the plants
The amount of water given to the plants
Which of the following is an example of a dependent variable in an experiment about the effect of light intensity on photosynthesis?
The amount of carbon dioxide available
The size of the plant leaves
The color of the light used
The rate of photosynthesis
What term is used for the group in an experiment that does not receive the experimental treatment and is used as a baseline for comparison among other groups in an experiment?
Control Group
Independent Variable
Dependent Variable
Controlled Variable
Which of the following best defines a controlled variable in a science experiment?
The variable that remains constant throughout the experiment
The variable that is manipulated or changed
The variable that is measured or observed
The variable that is affected by the independent variable
Which of the following best defines a dependent variable in a science experiment?
The variable that remains constant throughout the experiment
The variable that is manipulated or changed
The variable that is measured or observed
The group that does not receive treatment in an experiment and is used as a baseline for comparison