Variables: Question Preview (ID: 2428)


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Define independent variable?
a) All the things that you change in an experiment b) The one thing you are testing or changing in an experiment c) What you are keeping the same in an experiment d) The results you are looking for in an experiment
Define dependent variable
a) What you are keeping the same in an experiment b) Anything that happens in an experiment c) What you are testing in an experiment d) The results you are looking for in an experiment
Define constant variable
a) All the variables that are changed in an experiment b) The one variable that is changed in an experiment c) All the variables that are kept the same in an experiment d) The results of the experiment
Why is it important to have a controlled experiment?
a) Keeping all the variables the same except the one you are testing creates a valid and reliable experiment b) Creating an experiment where the safety guidelines are followed means no one will get hurt c) Having an experiment that is controlled means that nothing will go wrong d) A controlled experiment gaurantees your hypothesis will be supported
Identify the independent variable for the following experiment: How does the amount of ozone in the air affect the air temperature?
a) Temperature of the air b) Amount of ozone in the air c) Time of day d) Air quality
Identify the independent variable for the following experiment: How does the incline of a ramp affect the amount of forced needed to push something up the ramp?
a) Amount of force b) Type of ramp c) Material the ramp is made of d) Incline of the ramp
Identify the dependent variable of the following experiment: As you increase the mass of an object how does that affect the rate the object falls
a) Mass of the object b) How hard you drop the object c) How fast the object falls d) How the object falls
Identify the dependent variable of the following experiment: Does the type of light affect the height of a plant?
a) The plant you are using b) Height of the plant c) Amount of water used d) Type of light
Identify the constant variables for the following experiment: Which type of ball will bounce the highest?
a) Type of ball, how hard you bounce the ball, where you bounce the ball b) Where you bounce the ball, the material the ball is made of, who bounces the ball c) Where you bounce the ball, who bounces the ball, how hard you bounce the ball d) how high the ball goes, how high you drop the ball from, who bounces the ball
Identify the constant variables for the following experiment: How does the presence of cheese affect if a mouse will be able to get through a maze?
a) Mouse, type of cheese, the maze b) Mouse, if there is cheese or not, the maze c) How fast the mouse moves, the mouse, if there is cheese or not d) The maze, the mouse getting through the maze, cheese
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