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Earth And Space Science: Midterm Exam

50 Questions  I  By Ddrummerboy76
Earth and Space Science: Midterm Exam
Please read carefully and answer all questions in the test booklet. Continue answering questions until you have answered all questions in the test booklet. Mark all answers in a seperate scantron for them to be scored. Good luck, and take your time.

  
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1.  An atom is a basic chemical building block of matter. Which particles determine the mass of an atom?
A.
B.
C.
D.
2.  Which particles refer to the atomic number for an element?
A.
B.
C.
D.
3.  How is density calculated?
A.
B.
C.
D.
4.  What is the density of an object with a volume of 15 cm (cubed) and a mass of 45 g?
A.
B.
C.
D.
5.  What is the density of an object with a volume of 30 cm and a mass of 60 g?
A.
B.
C.
D.
6.  What is the density of an object with a volume of 30 cm and a mass of 25 g?
A.
B.
C.
D.
7.  If all three of these objects were placed in water (the density of water is 1.0 g/cm), where would the be placed?
A.
B.
C.
D.
8.  Which layer of the earth is the thicest, is mainly composed of iron and nickel, and measures a temperature of 5.900 degrees celsius?
A.
B.
C.
D.
9.  What layer of the earth is the asthenosphere located?
A.
B.
C.
D.
10.  A natural ocurring, inorganic crystalline solid with a narrowly defined chemical composition and physical properties.
A.
B.
C.
D.
11.  Why is color NOT a very a good method to use while identifying minerals?
A.
B.
C.
D.
12.  What is the crystal structure of a mineral?
A.
B.
C.
D.
13.  Examples of luster include
A.
B.
C.
D.
14.  The measure of the ability of a mineral to resist scratching
A.
B.
C.
D.
15.  In geology, the tendency of a mineral to split along specific, smooth planes
A.
B.
C.
D.
16.  Acidity (referring to minerals) can be best defined as 
A.
B.
C.
D.
17.  Which of the following is NOT one of the main types of nonsilicate minerals?
A.
B.
C.
D.
18.  Which minerals are silicates that contain higher levels of iron and/or magnesium and are dark colored?
A.
B.
C.
D.
19.  Igneous rock forms when magma, or molten rock, cools and hardens.
A.
B.
20.  Sedimentary rock forms when rock is eroded and decomposes into sediment.
A.
B.
21.  Metamorphic rock forms when rock is changed by certain forces, which include intense heat and pressure.
A.
B.
22.  How does the cooling rate of an igneous rock affect its' texture? 
A.
B.
C.
D.
23.  The texture of a foliated metamorphic rock is arranged in:
A.
B.
C.
D.
24.  An example of a silicate mineral is
A.
B.
C.
D.
25.  The natural process by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose solids.
A.
B.
C.
D.
26.  The process by which rocs break down into smaller pieces by physical means.
A.
B.
C.
D.
27.  Which is an example of chemical weathering?
A.
B.
C.
28.  Metamorphism can be best defined as 
A.
B.
C.
29.  Contact metamorphism is the law that a sedimentary rock layer is older than the layers above it and younger than the layers below it if the layers remain undisturbed.
A.
B.
30.  Regional metamorphism is a change in the texture, structure, or chemical composition of a rock due to change in the temperature.
A.
B.
31.  What type of metamorphism is described in this example? Marble is created from limestone that has been subjected to heat from an igneous intrusion.
A.
B.
C.
D.
32.  What are factors that increase the rate of weathering?
A.
B.
C.
D.
33.  Sedimentary rocks form from sediment. Explain how sediments are deposited along the bottom of an ocean floor according to size.
34.  What are the two types of Earth's crust?
A.
B.
C.
D.
35.  All of these are characteristics that describe oceanic crust except WHICH ONE?
A.
B.
C.
D.
36.  What is a fossil?
A.
B.
C.
D.
37.  What type of rock are fossils typically found in?
A.
B.
C.
D.
38.  What are the two methods for identifying the age of rocks?
A.
B.
C.
D.
39.  There are several laws listed below. Choose the ones that are used in identifying the age of rocks.
A.
B.
C.
D.
E.
F.
40.  What is an unconformity?
A.
B.
C.
D.
41.  What are the three types of unconformities?
A.
B.
C.
D.
42.  Compare the age of continental rocks to those along the mid-ocean ridges. If needed, refer to the picture on page 5.
43.  What principle tells us that a fault or igneous intrusion is younger than the rock layers they cut through?
A.
B.
C.
D.
44.  A dike is a kind of 
A.
B.
C.
D.
45.  A half-life is the time it takes for a quarter of the atoms in a radioactive sample to decay.
A.
B.
46.  What is continental drift?
A.
B.
C.
D.
47.  Which of the following supported the theory of continental drift?
A.
B.
C.
D.
48.  There is also evidence that the continents are moving apart from one another due to magma rising out of the mid-ocean ridges. What do scientists call this form of evidence?
A.
B.
C.
D.
49.  The three main types of lithospheric plates are
A.
B.
C.
D.
50.  There are three major kinds of volcanoes. They are
A.
B.
C.
D.
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