Unit 8 - Scientific Method (variables)
Quiz by Kate Downey
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28 questions
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- Q1You construct the four graphs shown above to show the rate at which four different disease-producing bacteria grow. Which bacterium would produce a disease in the shortest amount of time?Bacterium 2Bacterium 4Bacterium 3Bacterium 160s
- Q2You think that a certain part of your brain is important in memory. To test this, you will remove this part of the brain from rats and see if they remember how to get through the maze. What is the dependent variable in this experiment?remembering how to get through the mazeremoval of certain part of brain60s
- Q3You want to see if playing music makes plants grow taller. What is the dependent variable in this experiment?height of plantmusic being played60s
- Q4A soap manufacturer wants to prove that their detergent works better to remove tough stains. What is the dependent variable?detergentremoval of stain60s
- Q5You want to test a new drug that supposedly prevents sneezing in people allergic to grass. What is the independent variable?druggrasssneezing60s
- Q6You want to measure the effect of different amounts of oxygen on the rate of yeast growth. What is the dependent variable?rate of yeast growthamount of oxygen60s
- Q7You think that a certain part of your brain is important in memory. To test this, you will remove this part of the brain from rats and see if they remember how to get through the maze. What is the independent variable in this experiment?removal of certain part of brainremembering how to navigate through the maze60s
- Q8You want to see if playing music makes plants grow taller. What is the independent variable in this experiment?music being playedheight of plant60s
- Q9A florist wants to see if Product X will extend the life of cut flowers so that they last longer. What is the dependent variable?adding product Xthe life of the flowers60s
- Q10A florist wants to see if Product X will extend the life of cut flowers so that they last longer. What is the independent variable?adding product Xlife of flowers60s
- Q11Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. What is his control group?amount of tissueKleenextype of tissueJustin60s
- Q12Mario studied how far room temperature water would spurt out of a plastic milk carton when 3mm holes were punched at different heights from the bottom of the container. Identify a constant.distance water traveled out of carton3 mm holesice water from Icelanddifferent heights of holes in container60s
- Q13Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the independent variable.temperature of watertemperature the ice cube was at its' highest heightamount of waterheight of ice cube60s
- Q14Tiffany was investing how fast it took Hayden to react to different sounds. Identify the dependent variable.playing the trumpet over and overHaydenhow fast Hayden reactedhow much time it took Hayden to react60s
- Q15Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he is going to create an experiment to find out if there is something better. What is 1 constant?type of tissueamount of tissueJustinmass of the snots the tissue can hold60s