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Unit 1 test review

Quiz by shana

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9 questions
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  • Q1
    If athletes do not get enough sleep the night before, then they will not run as fast the next day. What is the independent variable?
    the sleep athletes get the night before an event
    the age of the athletes
    the speed athletes run on the event day
    the sport the athlete plays
    120s
  • Q2
    If there is a lot of rainfall in an area, then there will be less wildfires. What is the independent variable?
    time
    wildfires
    the area
    rainfall
    120s
  • Q3
    If you cover your cut with a band aid, then the cut will heal faster. What is the dependent variable?
    the band aid
    how fast the cut heals
    the cut
    time the band aid is on the cut
    120s
  • Q4
    Scientists wanted to study if plants that get regular watering grow taller. One group of plants gets regular watering, and another group of plants gets watered whenever the scientist feels like it. What is the experimental group?
    plants that get regular watering
    height of the plants
    the time of day plants are watered
    plants that don't get watered
    120s
  • Q5
    A scientists runs an experiment to show that people who smoke cigarettes are more apt to die from lung cancer. They studied smokers and nonsmokers. Which is the control group?
    people who live with smokers
    people who don't smoke (nonsmokers)
    people who smoke cigarettes
    people with lung cancer
    120s
  • Q6
    If the depth of Lake Erie increases, then the temperature will decrease. What is the dependent variable?
    depth
    temperature
    water
    Lake Erie
    120s
  • Q7
    Scientists decide to test if people test better in hot or cold environments. They give one group of students a test in a hot room and another group of students the test in a cold room. All of the following are constants except
    time of day
    size of the room
    the test
    room temperature
    120s
  • Q8
    Which of the following is the best hypothesis for "dropping cell phones repeatedly damages the inside of the phone."
    If I drop my phone, then I will need to buy a new one.
    The inside of phones get damaged if you drop them.
    Phone died.
    If you drop your phone repeatedly, then the inside of the phone will be damaged.
    120s
  • Q9
    Which of the following is the best hypothesis for the statement " when you are nice to people they will be nice to you".
    be nice to people cuz they will be nice to you back.
    If people are nice to me, then I will be nice to them.
    If I want to be nice, then I will be.
    If I am nice to people, then they will be nice to me.
    120s

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