Physics, 10.07.2019 14:30, aubreerosehennessy95
Scientific experiments are specially designed to test explanations for an observed phenomenon. a student decides to conduct an experiment to determine the effect that the amount of time spent in the sunlight has on the overall growth of a plant. the student will conduct the experiment using two identical plants that will only spend different amounts of time in the sunlight. all other aspects needed for growth will remain identical for each. in the experiment described, what would the amount of water given to each plant be considered? a. an observation b. a dependent variable c. an independent variable d. a control or constant
Answers: 1
Physics, 22.06.2019 00:00, angelequej1167
Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.
Answers: 2
Physics, 22.06.2019 21:30, Inrimid3619
Aperson touches a large chunk of ice with their hand and remarks, “this is making me cold.” explain what this person is feeling. is the ice transferring “cold” to the person? is there a heat transfer occurring? explain.
Answers: 1
Physics, 23.06.2019 00:00, shauntleaning
What energy transformations occur each time the skateboarder rolls up the ramp?
Answers: 2
Scientific experiments are specially designed to test explanations for an observed phenomenon. a stu...
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