Earth Science G/T Midterm Practice

24 Questions | By Softballer1496 | Last updated: Mar 21, 2022 | Total Attempts: 222

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1.

What is mass?
- A.
  
  Weight under the influence if gravity
- B.
  
  Pounds using a scale
- C.
  
  The amount of matter an object contains
- D.
  
  Amount of space an object occupies
2.

If an atom's atomic mass is 18 and there are 10 neutrons, how many protons are there?
- A.
  
  8
- B.
  
  10
- C.
  
  5
- D.
  
  18
3.

Can an element be broken down into a simpler form?
- A.
  
  Yes, if you use a big laser.
- B.
  
  Not by ordinary chemical means.
- C.
  
  Yes, as long as the element contains LESS than 10 protons.
- D.
  
  No, because elements are made from many things.
4.

What is an isotope?
- A.
  
  2 elements combined together
- B.
  
  An atom with more/less electrons than protons
- C.
  
  Something made of iron
- D.
  
  A simple silicon mixure used to make paint
5.

Which of these is NOT a characteristic of a mineral?
- A.
  
  Must never be alive
- B.
  
  Must be solid
- C.
  
  Must be natural
- D.
  
  Must be found underground
- E.
  
  Must have a definite chemical compisition
- F.
  
  Must have a crystal structure
6.

If a mineral formed by rapid magma cooling is found, what is a characteristic of its crystals?
- A.
  
  The crystals are smaller
- B.
  
  The crystals are bigger
- C.
  
  The crystals are brown or black
- D.
  
  The crystals are translucent
7.

The most commonly found element on earth is
- A.
  
  Oxygen
- B.
  
  Silicon
- C.
  
  Iron
- D.
  
  Calcium
8.

What is an ore?
- A.
  
  A metal added to another metal to make a new metal
- B.
  
  A characteristic that makes the metal bend
- C.
  
  A metal that can break into thin sheets
- D.
  
  A mineral that contains an important metal
9.

I am a rock that was formed underground by cooling magma. Because of this, I have visible mineral crystals. This classifies me to be "plutonic". What family/subfamily am I in?
- A.
  
  Igneous-extrusive
- B.
  
  Metamorphic-foliated
- C.
  
  Igneous-instrusive
- D.
  
  Metamorphic-non foliated
10.

I am a rock that was formed at the surface of the earth by cooling lava. I have no visible crystals and am dark in color. My friend, who is in the same family/subfamily as me, has pores. What family/subfamily am I in?
- A.
  
  Igneous-intrusive
- B.
  
  Igneous-extrusive
- C.
  
  Sedimentary-chemical
- D.
  
  Metamorphic-nonfoliated
11.

I am a rock that was formed from cemented sediments. What family/subfamily am I in?
- A.
  
  Sedimentary-Clastic
- B.
  
  Sedimentary-organics
- C.
  
  Sedimentary-chemical
- D.
  
  Igneous-extrusive
12.

I am a rock that was formed by the evaporation of solutions. An example of me is rock salt or halite. What family/subfamily am I in?
- A.
  
  Sedimentary-chemical
- B.
  
  Sedimentary-organics
- C.
  
  Metamorphic-clastic
- D.
  
  Metamorphic-nonclastic
13.

I am a rock that has visible stripes/bands, thin layers, and mica at my surface. What family/subfamily am I in?
- A.
  
  Metamorphic-nonclastic
- B.
  
  Metamorphic- nonfoliated
- C.
  
  Metamorphic-foliated
- D.
  
  Sedimentary-clastic
14.

What family of rocks contains fossils?
- A.
  
  Metamorphic
- B.
  
  Igneous
- C.
  
  Sedimentary
- D.
  
  No rocks can contain fossils
15.

What is contact metamorphism?
- A.
  
  When magma or lava contacts existing rock and morphs it
- B.
  
  When a rock becomes dangerously high in radioactive substances
- C.
  
  When magma is slow moving
- D.
  
  When rocks weather away
16.

Crack developing in a rock, water fills crack, freezes, breaks rock. and when abrasion occurs, (rock hitting another rock or water) are examples of...
- A.
  
  Mechanical weathering
- B.
  
  Chemical weathering
- C.
  
  Natural weathering
- D.
  
  Biological weathering
17.

Can bird poop destroy rock?
- A.
  
  No because there is not enough acid.
- B.
  
  Yes because it's a type of biological weathering and contains acid.
- C.
  
  No because the acid it contains is not the right type if acid
- D.
  
  Yes because bird poop is made from worms, a highly acidic species.
18.

What is karst topography?
- A.
  
  A method of building typically used in south america
- B.
  
  The theory that all living things should have limestone beneath them in order to support their legs.
- C.
  
  A type of plate tectonics
- D.
  
  Landscaping in limestone areas
19.

Who proposed the theory of plate tectonics and in what year?
- A.
  
  Benjamin Fraklin-1783
- B.
  
  Robert Weakner-1922
- C.
  
  Alfred Wagner-1912
- D.
  
  Teddy Roosevelt-1918
20.

Which of the following is NOT evidence of plate tectonics?
- A.
  
  Ice evidence from various continents that were once connected
- B.
  
  Rocks in south america are the same type age and thickness as in africa
- C.
  
  Africa fits in south america
- D.
  
  Ancient documents
21.

What is the driving force of plate tectonics?
- A.
  
  Convection in the mantle
- B.
  
  Diverging plates
- C.
  
  Seismic waves
- D.
  
  Geologic time
22.

What is it called when two plates searate?
- A.
  
  Converging plates
- B.
  
  Subduction zone
- C.
  
  Diverging plates
- D.
  
  Sliding plates
23.

What is it called when an ocean plate meets an ocean plate or a continental plate meets a continental plate?
- A.
  
  Sliding plates
- B.
  
  Transform boundary
- C.
  
  Diverging plates
- D.
  
  Converging plates
24.

When plates slide past eachother (sliding plates/transform boundary) what does it form?
- A.
  
  Trench
- B.
  
  Fault
- C.
  
  Mountains
- D.
  
  Mass destruction