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

Last updated 6 months ago
41 questions
Read the questions carefully. Ask for help when you need it. Do your best. And, good luck!
1

Which best describes the principle of uniformitarianism?

1

What rock layer are you most likely to find fossils in?

1

Dinosaur tracks would be an example of ______.

0

Index Fossils are used to measure the relative age of rock layers.

1

Which criteria is NOT a common qualifier for something to be an index fossil?

1

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):

  1. D
  2. C
  3. B
  4. E
  5. A
1

Which of the following statements best describes the difference between absolute dating and relative dating of rocks?

2

Match the image with the term:

Draggable itemCorresponding Item
Tilting
Folding
Intrusion
Fault
1

Which answer best describes the terms presented in question #8:

1

What is a radioactive isotope?

1

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?

1

What era are we currently in?

1

Think about the rock cycle. Match the term with the definition:

Draggable itemCorresponding Item
weathering
the break down of rocks by water, wind, ice, and changes in temperature
erosion
process by which sediment is moved from one place to another
deposition
process by which sediment comes to rest (or is dropped off)
For questions 14-17, fill in the blanks using one of these possible options:
  • sedimentary
  • metamorphic
  • igneous
1
_______ rock forms when high temperature and pressure change the content of the rock (or change the type of rock).
1
_______ rock forms from cooling lava and magma.
0
Intrusive and extrusive are terms that relate to _______ rocks.
1
In _______ rock, you're most likely to see layers of rock.
1

Place Earth's compositional layers in the correct order (from outermost to innermost):

  1. Mantle
  2. Core
  3. Crust
1

In which layer does convection happen?

1

Which physical layer of Earth is divided into pieces called tectonic plates?

1

What is the theory of plate tectonics?

1

What type of boundary occurs when two tectonic plates move away from each other?

1

Which of the following occurs at a convergent boundary?

1

Match the plate boundary with the picture:

Draggable itemCorresponding Item
Convergent
Divergent
Transform
1

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?

1

The movement of material due to differences in density that are caused by differences in temperature is called _________.

1

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...

1

Which statement is most accurate about magma and lava?

1
A is called _______ . B is called _______. C is called _______ . And, D is called _______ .
1

Match the type of stress with the boundary (related to earthquakes):

Draggable itemCorresponding Item
tension
divergent boundaries
compression
convergent boundaries
shear stress
transform boundaries
1

The deflection of moving objects from a straight path due to Earth's rotation is known as the Coriolis Effect.

3
Three three parts/elements that make up the fire triangle are _______ , _______ , and _______ .
1

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.

  1. Drier Forests
  2. More Wildfires
  3. Warmer Temps
  4. Release of more CO2 (Carbon Dioxide)
  5. Warmer Temps
1

What is the purpose of prescribed burning?

1

Which graphs best shows an increase in the amount of land burned by fires over the last few decades?

1

The river source usually has a flatter or lower gradient, while the river's mouth usually has a steeper or higher gradient.

2

Match the term with the image:

Draggable itemCorresponding Item
deposition bar or point bar
oxbow
cut bank
meander
delta
braided stream
3

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.

3

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.

3

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

3

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.