C165 Study Quiz All All Passing Tips.

C165 Study Quiz All All Passing Tips!!!




A mathematical model is used to predict the trajectory of a bullet fired from a gun. Which
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discipline of physical science is used to develop this model? - correct answer- Physics
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An environmental scientist monitors pollutants in a lake. Which two disciplines of physical
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science does this scientist use? - correct answer- Chemistry and Earth science
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Which study involves both Earth science and physics? - correct answer- Calculating how
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much energy is associated with a hurricane
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Which question could be answered with a controlled experiment? - correct answer- Does
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ice melt faster in an empty glass or in a glass full of water?
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Which topic would be appropriate for a controlled experiment? - correct answer-
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Determining how fast different chemical pollutants dissolve in water
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Which question requires a controlled experiment to answer? - correct answer- Which
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type of rock contains the most calcium?
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Sir Isaac Newton discovered that the force of gravity between two masses increases if the
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masses increase, and decreases if the distance between the masses increases. No
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experiments have ever contradicted this relationship. Which type of scientific statement is
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this? - correct answer- Law
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The well-accepted scientific explanation for many characteristics of Earth's crust states
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that the crust is broken into several large plates. These plates move slowly over the
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, vvmantle below because of convection and other processes. Earthquakes and volcanoes
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vvare most common at places where the plates interact. Evidence from physics, chemistry,
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vvand geology supports this explanation. Which type of scientific idea is this explanation an
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vvexample of? - correct answer- Theory vv vv vv vv vv vv vv




A student proposes that sugar will dissolve faster in rubbing alcohol than in water. The
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student reasons that sugar and rubbing alcohol both contain carbon so they will mix more
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easily. Which type of scientific idea is the student's proposal an example of? - correct
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answer- Hypothesis
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Law - correct answer- A body of enforceable rules governing relationships among
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individuals and between individuals and their society.
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Theory - correct answer- A hypothesis that has been tested with a significant amount of
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data
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Hypothesis - correct answer- A testable prediction, often implied by a theory vv vv vv vv vv vv vv vv vv vv vv vv vv




Observation - correct answer- Information obtained through the senses. vv vv vv vv vv vv vv vv vv vv




Why was the shrinking Earth idea replaced by the theory of plate tectonics? - correct
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answer- Plate tectonics explained observations about Earth that the shrinking Earth idea
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could not explain.
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Astronomers have long accepted that plate tectonics exists nowhere in our solar system vv vv vv vv vv vv vv vv vv vv vv vv




except on Earth. In 2011, a scientist analyzed 100 NASA-space-mission photographs of
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Valles Marineris on Mars, the longest known series of canyons in the solar system. The
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scientist found that Valles Marineris showed features found only in locations on Earth
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where major tectonic plates divide. What would be the appropriate response of scientists
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to this information? - correct answer- Carry out further research to gain more
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understanding of possible plate tectonics on Mars
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According to the theory of plate tectonics, volcanoes are especially likely to form along
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plate boundaries because of rising magma. New satellite data mapping the ocean floor
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reveals thousands of seamounts, which are small volcanoes. Some of the seamounts are
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in lines that could correspond to past or present plate boundaries, but many are not
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aligned in this way. How should scientists appropriately respond to the idea that some
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new mechanism of forming the volcanoes is involved? - correct answer- Carry out more
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research to understand better how the seamounts form
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For many decades, scientists thought they understood how ozone breaks down in the
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stratosphere, creating ozone holes. However, new data show significantly lower reaction
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rates than can be explained by the long-held model. What is the appropriate scientific
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approach for dealing with this contradiction? - correct answer- The existing theory was
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changed to account for new data
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