Physics, 04.05.2020 23:32 kyledsmith18
Sarah has hypothesized that her peers use Web-bsed materials much more frequently than text books to support
learning in science. She is conducting research on how other students use Web-based search engines to
supplement content knowledge and material while taking science classes in high school. She is going to use a
variety of methods to collect data.
While conducting a scientific investigation Sarah may collect evidence and data through direct or indirect
observations. All BUT ONE technique is an example of direct observation. That is
A)
Video record students using the computers in the student lab.
Interviewing students about their computer use during and after school.
Checking student computer records to see how many students used Web-
based search engines.
Sitting next to students while using the computer lab in school and
recording the sites they visit.
Answers: 3
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Physics, 22.06.2019 06:30
2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.
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Physics, 22.06.2019 11:50
The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e
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Physics, 22.06.2019 12:50
The heliocentric and the geocentric models of the solar system included these central principles
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Sarah has hypothesized that her peers use Web-bsed materials much more frequently than text books to...
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