When do scientists use a correlation instead of an actual experiment? Options: when it is unethical to do the experiment, when it is too expensive to do the experiment, when it is too hard to do the experiment, all of the above
Scientific Thinking

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1.
FLASHCARD QUESTION
Front
Back
all of the above
2.
FLASHCARD QUESTION
Front
Describe the experimental group.
Back
the group that gets the treatment
3.
FLASHCARD QUESTION
Front
What is the independent variable in Josie's experiment where she grew the same kind of tomatoes in the same soil and amount of water, sitting one in the sun and one in a closet for 14 days?
Back
sunlight
4.
FLASHCARD QUESTION
Front
Which of the following hypotheses is written correctly? Options: If a tennis ball is frozen, it won't bounce as high as one that is not frozen., If I heat up a tennis ball it will bounce high., If I freeze a tennis ball, then it will not bounce as high., Frozen tennis balls will not bounce as high.
Back
If I freeze a tennis ball, then it will not bounce as high.
5.
FLASHCARD QUESTION
Front
In an experiment, the factor that we measure is called the
Back
dependent variable
6.
FLASHCARD QUESTION
Front
A scientist hypothesizes that the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is
Back
the temperature
7.
FLASHCARD QUESTION
Front
A scientist hypothesizes the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is
Back
the gender of the baby alligators
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