0.00049386 In Scientific Notation

Question: Express 0.00049386 in scientific notation.

Answer: 4.9386 x 10^-4

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Question: Convert the temperature 49 degrees Celsius to Kelvin

Answer: 322 kelvin

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Question: Describe the difference between scientific theory and scientific law.

Answer: A scientific theory is the best available explanation of a phenomenon. A scientific law is a rule of nature whose cause isn’t always understood but which is accepted based on observations or experiments.

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Question: Why is it important to compare your data from a lab with that of your classmates?

Answer: It helps to verify results and identify possible sources of error.

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Question: When conducting experiments, scientists use __________ to help guide their processes.

Answer: Scientific Methods

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Question: The _______ is the one factor that can be manipulated by the experimenter.

Answer: Independent variables

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Question: Scientists use a form of shorthand called _________ to express very large or very small numbers.

Answer: Scientific notation

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Question: Most scientific studies and experiments use a standard system of units called ________.

Answer: Système International d’Unitès (SI)

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Question: In the field of _________, scientists measure the temperature, pressure, and humidity.

Answer: Meteorology

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Question: Their measurements come from features of the _______ and hydrosphere, and they look at how weather affects the _______ and geosphere.

Answer: Atmosphere, biosphere

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Question: The units of their measurements come from _____ and the metric system.

Answer: SI

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Question: The numbers generally are not large so ______ is not used.

Answer: Scientific notation

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Question: Which of these is NOT a specialized area of Earth Science? A. Astronomy, B. Environmental Science, C. Technology, D. Oceanography.

Answer: C. Technology

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Question: Which type of scientist is shown? A. Oceanographer, B. Geologist, C. Astronomer, D. Meteorologist.

Answer: B. Geologist

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Question: Which type of research is this scientist conducting? A. Field Research, B. Lab Research, C. Library Research, D. Biological Research.

Answer: A. Field Research

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Question: Which is a sequence of steps a scientist might use to conduct an investigation? A. Analysis, test, question, conclude. B. Test, question, conclude, analysis. C. Question, test, analysis, conclude. D. Conclude, test, question, analysis.

Answer: C. Question, test, analysis, conclude.

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