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The control variable is
concentration of phoshorus
adaptive
improving a person's vision
laser eye surgery
Glasses
comparing the predictions of the program to the acutal weather
Independent variable
what the scientist keeps the same
Which of these is the most likely intended benefit of laser eye surgery?
concentration of phoshorus
adaptive
improving a person's vision
laser eye surgery
Glasses
comparing the predictions of the program to the acutal weather
Independent variable
what the scientist keeps the same
The main biofuel on the market today is ethanol, a fuel made from corn. Which type of bioengineered product is ethanol?
concentration of phoshorus
adaptive
improving a person's vision
laser eye surgery
Glasses
comparing the predictions of the program to the acutal weather
Independent variable
what the scientist keeps the same
Which of the following is an example of assistive engineering?
concentration of phoshorus
adaptive
improving a person's vision
laser eye surgery
Glasses
comparing the predictions of the program to the acutal weather
Independent variable
what the scientist keeps the same
Which of the following is an example of adaptive bioengineering?
concentration of phoshorus
adaptive
improving a person's vision
laser eye surgery
Glasses
comparing the predictions of the program to the acutal weather
Independent variable
what the scientist keeps the same
A student wants to test how the concentration of phophorus in a fertilizer affects plant growth. In designing this experiment the independent variable would be the __________________.
concentration of phoshorus
adaptive
improving a person's vision
laser eye surgery
Glasses
comparing the predictions of the program to the acutal weather
Independent variable
what the scientist keeps the same
Which variable is the one that a scientist changes at the beginning (on purpose)?
concentration of phoshorus
adaptive
improving a person's vision
laser eye surgery
Glasses
comparing the predictions of the program to the acutal weather
Independent variable
what the scientist keeps the same
An engineering company is testing a new weather-forecasting program. Which procedure would best verify that the program is making accurate predictions?
concentration of phoshorus
adaptive
improving a person's vision
laser eye surgery
Glasses
comparing the predictions of the program to the acutal weather
Independent variable
what the scientist keeps the same
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