Chapter One Science In Our World Review: Question Preview (ID: 30039)


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Which piece of lab equipment would be used to measure the volume of a liquid?
a) Triple Beam Balance b) Graduated Cylinder c) Beaker d) Spring Scale
Which variable is the one that a scientist changes at the beginning (on purpose)?
a) Dependent variable b) Control Variable c) Constant d) Independent variable
Which of the following is an example of adaptive bioengineering?
a) wheelchair b) crutches c) laser eye surgery d) glasses
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 __________________.
a) Plant b) Growth c) type of fertilizer d) concentration of phoshorus
The control variable is
a) what the scientist changes on purpose b) what the scientist measures at the end c) not important d) what the scientist keeps the same
The dependent variable is
a) what the scientist changes on purpose b) what the scientist measures at the end c) not important d) what the scientist keeps the same
Which of the following is an example of assistive engineering?
a) Glasses b) artificial heart c) laser eye surgery d) cochlear implant
The main biofuel on the market today is ethanol, a fuel made from corn. Which type of bioengineered product is ethanol?
a) adaptive b) assistive c) resistant d) manipulated
An engineering company is testing a new weather-forecasting program. Which procedure would best verify that the program is making accurate predictions?
a) comparing the predictions of the program to the acutal weather b) comparing the predictions of the program to other predictions c) using the program to verify events not related to weather d) using the program to verify past weather-related events
Which of these is the most likely intended benefit of laser eye surgery?
a) preventing eye injuries b) protecting against eye diseases c) improving a person's vision d) allowing a person to wear contact lenses
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