
Unit 1 test review
Quiz by shana
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9 questions
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- Q1If 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 eventthe age of the athletesthe speed athletes run on the event daythe sport the athlete plays120s
- Q2If there is a lot of rainfall in an area, then there will be less wildfires. What is the independent variable?timewildfiresthe arearainfall120s
- Q3If you cover your cut with a band aid, then the cut will heal faster. What is the dependent variable?the band aidhow fast the cut healsthe cuttime the band aid is on the cut120s
- Q4Scientists 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 wateringheight of the plantsthe time of day plants are wateredplants that don't get watered120s
- Q5A 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 smokerspeople who don't smoke (nonsmokers)people who smoke cigarettespeople with lung cancer120s
- Q6If the depth of Lake Erie increases, then the temperature will decrease. What is the dependent variable?depthtemperaturewaterLake Erie120s
- Q7Scientists 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 excepttime of daysize of the roomthe testroom temperature120s
- Q8Which 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
- Q9Which 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