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15
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Marcos wants to know if the type of gasoline put in a car affects how fast the car can drive. What is the dependent variable?
How fast the car drives
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15
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A group of subjects that do not receive any special treatment in an experiment so you have โnormalโ results for comparison is known as aโฆ
control group
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15
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James wants to know if the type of gasoline put in a car affects how fast the car can drive. What is the independent variable?
Type of gasoline
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baam
Lose 5 points!
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rocket
Go to first place!
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gift
Win 25 points!
Okay!
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banana
Go to last place!
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15
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Why should control variables be kept the same?
You want to make sure that only the independent variable is affecting changes in the dependent variable.
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15
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The variable that you change on purpose in an experiment is known asโฆ
the independent variable
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15
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Look at the following research question. How fast will ice cream melt at different temperatures? Identify the independent and dependent variables.
Independent variable: different temperatures, Dependent variable: how fast it melts
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15
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Something in an experiment that is kept the same is known as aโฆ
constant
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15
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Your teacher has planned a fun lab for the day that involves food you love to eat. Should you go ahead and eat the food when you see it?
No, because you will need it for the lab. Plus, you don't know that it is safe to eat unless you ask.
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15
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Ramone wants to know if offering students candy as a reward affects how many of them get A's on their math test. What is the dependent variable?
How many students get an A on the test
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15
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When doing a lab, are you allowed to mix up whatever you want?
No, you should stick to the instructions.
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15
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What is the difference between a hypothesis and a conclusion?
A hypothesis is what you think MIGHT happen in the experiment. A conclusion is what DID happen in the experiment.
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boom
Lose 50 points!
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gift
Win 15 points!
Okay!
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rocket
Go to first place!
Okay!
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baam
Lose 15 points!
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15
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Look at the following research question. How can different brands of soap affect bubble size? Identify the independent and dependent variables.
independent variable: brand of soap, Dependent variable: bubble size
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15
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An educated guess or possible answer to a question is more commonly referred to as aโฆ
hypothesis
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thief
Give points!
5
10
15
20
25
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fairy
Take points!
5
10
15
20
25
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shark
Other team loses 15 points!
Okay!
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lifesaver
Give 10 points!
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×
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