Earth Science A 9th Grade Post- Quiz
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What type of scientist studies the solid Earth? (AZ HS Science S2:C2:PO1)
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Geologist
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Oceanographer
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Astronomer
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Meteorolgist
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This is the Earth Science A 9th grade post quiz. This is the same quiz your took for your pre-test in this course. The points will count. There is 10 possible points. This is NOT connected to the LMS grade book, so you will have to wait till I manually transfer your grade. You will See morestill need to take: Earth Science A semester exam.
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- 2.
A scientific explanation that can be tested by observation or experiment is a(n)__________. (AZ HS Science S1:C1:PO3)
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Inference
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Simulation
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Variable
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Hypothesis
Correct Answer
A. HypothesisExplanation
A hypothesis is a scientific explanation that can be tested by observation or experiment. It is a proposed explanation or prediction based on available evidence and prior knowledge. A hypothesis allows scientists to design experiments or make observations to gather data and test its validity. It is an essential step in the scientific method as it helps to formulate predictions and guide research.Rate this question:
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- 3.
If the Coast Guard warns of a giant wave of water approaching the shore as a result of a major earthquake, they are warning of ___________________. (AZ HS Science S6:C1:PO4)
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An after shock
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Liquefaction
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A tsunami
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Landslides
Correct Answer
A. A tsunamiExplanation
The correct answer is a tsunami. A tsunami is a series of ocean waves caused by a displacement of a large volume of water, usually from an undersea earthquake or volcanic eruption. When the Coast Guard warns of a giant wave of water approaching the shore as a result of a major earthquake, they are warning of a tsunami. Tsunamis can cause significant damage and loss of life when they reach coastal areas.Rate this question:
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- 4.
A chart showing the amount of rain each month in a region is an example of a scientist's_________________. (AZ HS Science S1:C2:PO5 and 9-10.RH7)
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Variables
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Inferences
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Data
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Conclusions
Correct Answer
A. DataExplanation
A chart showing the amount of rain each month in a region is an example of a scientist's data. Data refers to the information or facts that are collected and analyzed to draw conclusions or make inferences. In this case, the chart presents the collected data on rainfall amounts for each month, allowing scientists to analyze and draw conclusions about the patterns and trends in the region's rainfall.Rate this question:
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- 5.
A chart showing the amount of rain each month in a region is an example of a scientist's_________________. (AZ HS Science S1:C2:PO5 and 9-10.RH7)
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Variables
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Inferences
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Data
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Conclusions
Correct Answer
A. DataExplanation
A chart showing the amount of rain each month in a region is an example of a scientist's data. Data refers to the facts, statistics, or information collected and used for analysis or reference. In this case, the chart provides the specific measurements of rainfall in each month, which can be used by scientists to analyze patterns, make comparisons, and draw conclusions about the climate and weather patterns in the region.Rate this question:
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- 6.
A scientific explanation that can be tested by observation or experiment is a(n)__________. (AZ HS Science S1:C1:PO3)
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Inference
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Simulation
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Variable
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Hypothesis
Correct Answer
A. HypothesisExplanation
A hypothesis is a scientific explanation that can be tested by observation or experiment. It is a proposed explanation or prediction based on available evidence and previous knowledge. By conducting experiments or making observations, scientists can gather data to either support or refute the hypothesis. A hypothesis is an important step in the scientific method as it helps guide the research and investigation process.Rate this question:
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- 7.
What is the hardest known mineral? (AZ HS Science S6:C1:PO1)
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Talc
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Quartz
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Diamond
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Gold
Correct Answer
A. DiamondExplanation
Diamond is the hardest known mineral because it has a unique crystal structure that allows it to form strong bonds between its carbon atoms. These strong bonds make diamond extremely resistant to scratching and breaking, giving it a hardness rating of 10 on the Mohs scale. Talc, quartz, and gold are all much softer minerals compared to diamond and can be easily scratched or damaged.Rate this question:
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- 8.
The technique in which scientists calculate the age of a sample based on the amount of meaning radioactive isotopes it contains is called _______________. (AZ HS Science S6:C2:PO8)
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Fossil record
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Relative dating
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Miller-Urey experiment
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Radioactive dating
Correct Answer
A. Radioactive datingExplanation
Radioactive dating is the technique used by scientists to calculate the age of a sample based on the amount of radioactive isotopes it contains. This technique relies on the principle that certain isotopes decay at a known rate over time, allowing scientists to determine the age of the sample by measuring the ratio of parent isotopes to daughter isotopes. By comparing the ratio to a known decay rate, scientists can accurately estimate the age of the sample.Rate this question:
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- 9.
The diagram above shows four layers of Earth’s atmosphere. Which of the following correctly labels the layers represented by A, B, C, and D (from Earth moving upward) in the correct sequence? (AZ HS Science S6:C2:PO15)
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Troposphere, stratosphere, mesosphere, thermosphere
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Thermosphere, mesosphere, stratosphere, troposphere
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Troposphere, mesosphere, thermosphere, stratosphere
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Mesosphere, troposphere, thermosphere, stratosphere
Correct Answer
A. Troposphere, stratosphere, mesosphere, thermosphereExplanation
The layers of Earth's atmosphere are labeled in the correct sequence as troposphere, stratosphere, mesosphere, and thermosphere. The troposphere is the lowest layer and is where weather occurs. The stratosphere is above the troposphere and contains the ozone layer, which absorbs the Sun's harmful ultraviolet radiation. The mesosphere is the third layer and is characterized by low temperatures and the occurrence of meteoroids burning up upon entry. The thermosphere is the outermost layer and is where the auroras occur due to interactions with solar radiation.Rate this question:
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- 10.
A large stream of moving water that flows through the oceans is called a(n) _____________. (AZ HS Science S6:C2:PO1)
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Current
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Wave
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Tide
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Undertow
Correct Answer
A. CurrentExplanation
A large stream of moving water that flows through the oceans is called a current. Currents are caused by a combination of factors, including wind, temperature, and the rotation of the Earth. They play a crucial role in the circulation of heat and nutrients in the ocean, as well as in the movement of marine organisms and the distribution of sediment.Rate this question:
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Oct 21, 2024Quiz Edited by
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Mar 04, 2015Quiz Created by
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