1) Stella thinks that if people are more exposed to ultraviolet light they will be more likely to get cancer. Which of the following would be the control group? a) Ultraviolet light exposure b) No ultraviolet light exposure c) Amount of people who got skin cancer. d) Same amount of sunlight  e) Same location 2) Stella thinks that if people are more exposed to ultraviolet light they will be more likely to get cancer. Which of the following would be the independent variable (I.V.)? a) Ultraviolet light exposure b) No ultraviolet light exposure c) Amount of people who got skin cancer. d) Same amount of sunlight  e) Same location 3) Stella thinks that if people are more exposed to ultraviolet light they will be more likely to get cancer. Which of the following would be the dependent variable (D.V.)? a) Ultraviolet light exposure b) No ultraviolet light exposure c) Amount of people who got skin cancer. d) Same amount of sunlight  e) Same location 4) Stella thinks that if people are more exposed to ultraviolet light they will be more likely to get cancer. Which of the following would be a constant? a) Ultraviolet light exposure b) No ultraviolet light exposure c) Amount of people who got skin cancer. d) Same amount of sunlight  e) Same location 5) David Stewart thinks that only skunks that are poked will spray their scent. Which would be the control group? a) Skunks that did not get poked b) Skunks that got poked c) Same type of skunk d) How many fumes were released e) Same type of diet 6) David Stewart thinks that only skunks that are poked will spray their scent. Which would be the independent variable? a) Skunks that did not get poked b) Skunks that got poked c) Same type of skunk d) How many fumes were released e) Same type of diet 7) David Stewart thinks that only skunks that are poked will spray their scent. Which would be the dependent variable? a) Skunks that did not get poked b) Skunks that got poked c) Same type of skunk d) How many fumes were released e) Same type of diet 8) Which is true about the independent variable? a) It is the cause of the change. b) It is the affect of the change. c) It is the data collected d) There should be many of them in an experiment. 9) What is true about the dependent variable a) It is the cause of the change. b) It is what the experimenter is changing. c) It is the data that is collected. d) It is the manipulated experiment. 10) What is true about the control group? a) It is the group that has the independent variable b) All groups are control groups c) It does not have a dependent varaible d) It is the group used for comparison. 11) What are constants? a) All things in an experiment that are kept the same. b) The one thing that is changed in an experiment. c) The things that are being measured. d) Data 12) A study was done to find if different tire treads affect the braking distance of a car, what is the IV? a) Braking distance b) Tire tread c) Type of car d) There is not an IV 13) A study was done to find if different tire treads affect the braking distance of a car, what is the DV? a) Braking distance b) Tire tread c) Type of car d) There is not an DV 14) The amount of pollution produced by cars was measured for cars using gasoline containing different amounts of lead, which is a IV? a) Amount of pollution b) Amount of lead in the gasoline c) Distance traveled d) There is not a DV 15) The amount of pollution produced by cars was measured for cars using gasoline containing different amounts of lead, which is the DV? a) Amount of pollution b) Amount of lead in the gasoline. c) Distance traveled d) There is not a DV 16) The amount of pollution produced by cars was measured for cars using gasoline containing different amounts of lead, which is a constant? a) Amount of pollution b) Amount of lead in the gasoline. c) Distance traveled d) There are no constants 17) The amount of pollution produced by cars was measured for cars using gasoline containing different amounts of lead which is a constant? a) Amount of pollution b) Amount of lead in the gasoline. c) Type of car d) There are no constants  18) An experiment was performed to determine how the amount of coffee grounds could affect the taste of the coffee. Which is the IV? a) Amount of water b) Time spent percolating c) Taste of coffee d) Amount of coffee grounds used 19) An experiment was performed to determine how the amount of coffee grounds could affect the taste of the coffee. Which is the DV? a) Amount of water b) Time spent percolating c) Taste of coffee d) Amount of coffee grounds used 20) An experiment was performed to determine how the amount of coffee grounds could affect the taste of the coffee. Which is a constant? a) Amount of water used b) Time spent percolating c) Taste of coffee d) Amount of coffee grounds used

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