Earth And Space Science: Midterm Exam

50 Questions | By Ddrummerboy76 | Updated: Mar 16, 2022 | Attempts: 133

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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.

Questions and Answers

1.

An atom is a basic chemical building block of matter. Which particles determine the mass of an atom?
- A.
  
  Protons and neutrons
- B.
  
  Neutrons and electrons
- C.
  
  Protons and electrons
- D.
  
  Neither of the above
2.

Which particles refer to the atomic number for an element?
- A.
  
  Neutrons
- B.
  
  Protons
- C.
  
  Electrons
- D.
  
  Quarks
3.

How is density calculated?
- A.
  
  Area x Volume
- B.
  
  Volume divided by Mass
- C.
  
  Perimeter + Mass
- D.
  
  Mass divided by Volume
4.

What is the density of an object with a volume of 15 cm (cubed) and a mass of 45 g?
- A.
  
  0.33 g/cm
- B.
  
  3 g/cm
- C.
  
  60 g/cm
- D.
  
  675 g/cm
5.

What is the density of an object with a volume of 30 cm and a mass of 60 g?
- A.
  
  2 g/cm
- B.
  
  30 g/cm
- C.
  
  10 g/cm
- D.
  
  9 g/cm
6.

What is the density of an object with a volume of 30 cm and a mass of 25 g?
- A.
  
  .45 g/cm
- B.
  
  1.2 g/cm
- C.
  
  .83 g/cm
- D.
  
  .60 g/cm
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.
  
  3 g/cm would sink, 2 g/cm would sink, 0.83 g/cm would sink
- B.
  
  3 g/cm would float, 2 g/cm would float, 0.83 g/cm would float
- C.
  
  3 g/cm would sink, 2 g/cm would sink, 0.83 g/cm would float
- D.
  
  3 g/cm would float, 2 g/cm would sink, 0.83 g/cm would sink
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.
  
  Mantle
- B.
  
  Crust
- C.
  
  Outer Core
- D.
  
  Inner Core
9.

What layer of the earth is the asthenosphere located?
- A.
  
  Inner Core
- B.
  
  Outer Core
- C.
  
  Mantle
- D.
  
  Crust
10.

A natural ocurring, inorganic crystalline solid with a narrowly defined chemical composition and physical properties.
- A.
  
  Mineral
- B.
  
  Color
- C.
  
  Luster
- D.
  
  Streak
11.

Why is color NOT a very a good method to use while identifying minerals?
- A.
  
  Most minerals tend to be the same color
- B.
  
  In some cases, the streak of a mineral is different from its color
- C.
  
  The color of a mineral can be changed and altered due to impurities
- D.
  
  Every mineral has a thin gray coating
12.

What is the crystal structure of a mineral?
- A.
  
  The atoms in a mineral are arranged in a consistent geometric pattern
- B.
  
  The color of a mineral in powdered form
- C.
  
  The way a mineral reflects light
- D.
  
  The physical color of a mineral
13.

Examples of luster include
- A.
  
  Metallic
- B.
  
  Non-metallic
- C.
  
  Pearly
- D.
  
  All of the above
14.

The measure of the ability of a mineral to resist scratching
- A.
  
  Cleavage/Fracture
- B.
  
  Acidity
- C.
  
  Hardness
- D.
  
  Magnetism
15.

In geology, the tendency of a mineral to split along specific, smooth planes
- A.
  
  Cleavage
- B.
  
  Fracture
- C.
  
  Both A and B
- D.
  
  Neither A or B
16.

Acidity (referring to minerals) can be best defined as
- A.
  
  The tendency of a mineral to split along specific planes
- B.
  
  The ability to attract small particles of minerals that contain iron
- C.
  
  The measure of the ability of a mineral to resist scratching
- D.
  
  The ability to break down as a result of chemical reactions
17.

Which of the following is NOT one of the main types of nonsilicate minerals?
- A.
  
  Carbonates
- B.
  
  Feldspars
- C.
  
  Oxides
- D.
  
  Sulfates
18.

Which minerals are silicates that contain higher levels of iron and/or magnesium and are dark colored?
- A.
  
  Halides
- B.
  
  Ferromagnesium minerals
- C.
  
  Feldspars
- D.
  
  Sulfides
19.

Igneous rock forms when magma, or molten rock, cools and hardens.
- A.
  
  True
- B.
  
  False
20.

Sedimentary rock forms when rock is eroded and decomposes into sediment.
- A.
  
  True
- B.
  
  False
21.

Metamorphic rock forms when rock is changed by certain forces, which include intense heat and pressure.
- A.
  
  True
- B.
  
  False
22.

How does the cooling rate of an igneous rock affect its' texture?
- A.
  
  Cools rapidly, larger crystals. Cools slowly, smaller crystals.
- B.
  
  Cools slowly, larger crystals. Cools rapidly, smaller crystals.
- C.
  
  Both A and B
- D.
  
  Neither A or B
23.

The texture of a foliated metamorphic rock is arranged in:
- A.
  
  Parallel planes or bands
- B.
  
  Perpendicular planes or bands
- C.
  
  Parallel spheres or circles
- D.
  
  Alternating colorful bands
24.

An example of a silicate mineral is
- A.
  
  Gypsum : CaSO4 x 2Hz0
- B.
  
  Plagioclase : SiOCa
- C.
  
  Galena : PbS
- D.
  
  Halite : NaCI
25.

The natural process by which atmospheric and environmental agents, such as wind, rain, and temperature changes, disintegrate and decompose solids.
- A.
  
  Weathering
- B.
  
  Metamorphism
- C.
  
  Oxidation
- D.
  
  Uniformitarianism