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ISD 7th Grade Science (2024) - Final Exam!

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Last updated 11 months ago
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Read the questions carefully. Ask for help when you need it. Do your best. And, good luck!
Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 7
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Question 8
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Question 13
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For questions 14-17, fill in the blanks using one of these possible options:
  • sedimentary
  • metamorphic
  • igneous
Question 14
14.
_______ rock forms when high temperature and pressure change the content of the rock (or change the type of rock).
Question 15
15.
_______ rock forms from cooling lava and magma.
Question 16
16.
Intrusive and extrusive are terms that relate to _______ rocks.
Question 17
17.
In _______ rock, you're most likely to see layers of rock.
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Question 24
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Question 25
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Question 26
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Question 27
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Question 28
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Question 29
29.
A is called _______ . B is called _______. C is called _______ . And, D is called _______ .
Question 30
30.

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Question 31
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Question 32
32.
Three three parts/elements that make up the fire triangle are _______ , _______ , and _______ .
Question 33
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Question 34
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Question 35
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Question 36
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Question 37
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Question 38
38.

Think back to your role (or technically, any role) from our Wildfires Town Hall.
a) What was your role's view on prescribed burns, and why?
b) What is another role that may strongly disagree or strongly agree with you, and why?
For full credit, your answer should exemplify a thorough understanding of prescribed burns as well as knowledge of how community members could potentially address wildfires.

Question 39
39.

What is the connection between wildfires and climate change? Describe at least THREE major ways one affects or impacts the other. Be thoughtful and thorough in your response for full credit.

Question 40
40.

Rivers are dynamic and change over time. Describe how EACH of the following affects rivers and their shape. Incorporate specific vocabulary terms and concepts from the stream table or river vocabulary posters for full credit.
- erosion
- transportation
- deposition

Question 41
41.

Choose any natural disaster we discussed in class. Describe the role climate change OR plate tectonics plays when it comes to this specific natural disaster. Be thoughtful and thorough in your response for full credit.

Which best describes the principle of uniformitarianism?
geological processes, such as volcanoes, lead to more and new geological processes over time
geological processes in the western United States are the same as in the eastern United States
geological processes throughout the world are basically all the same processes
geological processes that happened in the past can be explained by current geological processes
What rock layer are you most likely to find fossils in?
metamorphic
sedimentary
unconformed layers
igneous
Dinosaur tracks would be an example of ______.
permineralized fossils
cast fossils
body fossils
trace fossils
Index Fossils are used to measure the relative age of rock layers.
True
False
Which criteria is NOT a common qualifier for something to be an index fossil?
must be found over a large area (ex: on different continents)
must have features that make them similar to many other fossils
lived during a relatively short period of geological time
must be fairly common
Question 6
6.

Which of the following statements best describes the difference between absolute dating and relative dating of rocks?
Absolute dating provides a specific date or range of dates for an object, while relative dating determines the order of events without giving an exact time.
Relative dating is more accurate than absolute dating in determining the age of samples.
Relative dating uses chemicals to determine the age of fossils, while absolute dating uses the layers of rock.
Absolute dating can only be used on fossils or formerly living things, while relative dating is used on archaeological artifacts.
Match the image with the term:
Tilting
Folding
Intrusion
Fault
Which answer best describes the terms presented in question #8:
They make absolute dating harder because old layers are pushed downwards
They make absolute dating easier because they move fossils around
They make relative dating more difficult because they disturb the horizontal rock layers
They make relative dating easier because they give us more information about the geological processes occurring in that area
What is a radioactive isotope?
A type of molecule that can emit light
An atom that has unstable nuclei and can change into a different type of atom over time
An element with the same number of protons but more electrons than usual
An atom that has the same number of neutrons but a different number of protons
The half-life of Zinc-71 is 2.5 minutes. If you start with a 100.0 gram sample, how many grams would be left after 7.5 minutes has elapsed?
100.0 grams
50 grams
25 grams
12.5 grams
33.3 grams
Not enough information provided to answer this.
What era are we currently in?
Mesozoic
Precambrian
Cenozoic
Paleozoic
Think about the rock cycle. Match the term with the definition:
erosion
the break down of rocks by water, wind, ice, and changes in temperature
deposition
process by which sediment is moved from one place to another
weathering
process by which sediment comes to rest (or is dropped off)
Question 18
18.

Question 19
19.

Which physical layer of Earth is divided into pieces called tectonic plates?
mesosphere
outer core
asthenosphere
lithosphere
What is the theory of plate tectonics?
The theory that Earth's outer shell is divided into several plates that glide over the mantle.
The theory that the Earth was once flat.
The theory that continents do not move.
The theory that the Earth is cooling down, causing the surface to crack.
What type of boundary occurs when two tectonic plates move away from each other?
Static boundary
Convergent boundary
Transform boundary
Divergent boundary
Which of the following occurs at a convergent boundary?
One plate moves under another plate.
The plates melt completely.
The plates move away from each other.
The plates move sideways past each other.
Match the plate boundary with the picture:
Divergent
Transform
Convergent
Which of the following is an example of how tectonic plates move based on one tectonic plate sinking below another due to its own weight?
convection
slab pull
sinkanator
ridge push
The movement of material due to differences in density that are caused by differences in temperature is called _________.
sea-floor spreading
divergence
convection
lithospheric motion
Which term describes a location where volcanic features exist over mantle plumes (giant pillars of molten rock) within a tectonic plate, rather than at a plate boundary? Clue: think about Hawaii...
hot spots
shield volcanoes
convergent boundaries
calderas
Which statement is most accurate about magma and lava?
both erupt from the vent, or the mouth of the volcano
magma is melted rock and lava is magma that's reached the surface
magma forms above the surface, while lava forms below
magma is lava that has reached the surface and has cooled
Match the type of stress with the boundary (related to earthquakes):
shear stress
divergent boundaries
tension
convergent boundaries
compression
transform boundaries
The deflection of moving objects from a straight path due to Earth's rotation is known as the Coriolis Effect.
True
False
Positive feedback loops are good for increasing the frequency/intensity of wildfires, but bad for people. Put the steps of this positive feedback loop in the correct order.
Drier Forests
Warmer Temps
More Wildfires
Release of more CO2 (Carbon Dioxide)
Warmer Temps
What is the purpose of prescribed burning?
To reduce fuel buildup and decrease the likelihood of severe wildfires
To create large fires that can be seen from space
To permanently clear forests for urban development
To help train firefighters
Which graphs best shows an increase in the amount of land burned by fires over the last few decades?
The river source usually has a flatter or lower gradient, while the river's mouth usually has a steeper or higher gradient.
True
False
Match the term with the image:
oxbow
delta
deposition bar or point bar
braided stream
meander
cut bank
Put the layers in order from the youngest to the oldest (youngest layer should be at the top of the list, oldest is on the bottom of the list):
B
D
A
C
E
Place Earth's compositional layers in the correct order (from outermost to innermost):
Mantle
Core
Crust
In which layer does convection happen?
Mantle
Core
Crust