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ISD 7th Grade Science - Final Final Summative 2025

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Last updated 9 months ago
35 questions
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Question 1
1.

Which of the following is not part of the fire triangle?

Question 2
2.

What is one method firefighters use to remove fuel from a fire?

Question 3
3.

Lodgepole pine trees depend on fire because:

Question 4
4.

What is a positive feedback loop in the context of climate and fires?

Question 5
5.

What sparked the 2018 Camp Fire in Paradise, California?

Question 6
6.

Which of the following is true about burned soil?

Question 7
7.

In rivers, hydraulic action is:

Question 8
8.

Which type of erosion deepens a river valley?

Question 9
9.

A river dropping sediment happens when:

Question 10
10.

Which scenario would most likely create an oxbow lake?

Question 11
11.

What happens in the solution part of river transport?

Question 12
12.

A basin or watershed is

Question 13
13.

The Upper Basin of the Colorado River includes:

Question 14
14.

Why are Lake Mead and Lake Powell shrinking?

Question 15
15.

Which of the following is the best example of how Colorado River stakeholders are adapting to less water being available to them?

Question 16
16.

A river begins to slow down as it enters flatter land. Which process is most likely to happen more frequently now?

Question 17
17.

How are the fire triangle and the carbon cycle connected during a wildfire?

Question 18
18.

In a fire-prone region (I.e. an area where fires happen frequently), which combination of actions would best reduce wildfire risk over the long term?

Question 19
19.

Fires always destroy ecosystems and cause harm.

Question 20
20.

Vertical erosion widens rivers.

Question 21
21.

The Colorado River Compact overestimated how much water was available.

Question 22
22.

Controlled burns can help prevent worse fires later.

Question 23
23.

Climate change and population growth both affect the Colorado River’s water supply.

Question 24
24.
A wildfire releases _______ into the atmosphere, which traps heat.
Question 25
25.
Fires can clear out dead plants and return _______ back to the soil.
Question 26
26.
Fires can turn forests from carbon _______ into carbon sources (emitters).
For Questions 27 - 31, use the picture below to answer the questions. Be observant!
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Question 31
31.

Match the term from river systems to the definition.

Draggable itemarrow_right_altCorresponding Item
Traction
arrow_right_alt
Deepens a water bed, usually happens when water is moving very quickly
Attrition
arrow_right_alt
A type of erosion in which rocks and pebbles collide into each and breaking them down into smaller bits
Vertical Erosion
arrow_right_alt
A type of transportation in which current transports large rocks along the bottom of a river
Solution
arrow_right_alt
This is where a river empties its water and sediment into a body of water
Delta
arrow_right_alt
A type of transportation in which dissolved minerals and materials are carried by the water
Question 32
32.

Read the descriptors about healthy burned soil and drag them into the correct category.

  • Rich in Nutrients
  • Sometimes become hydrophobic
  • Lacks nitrogen and phosphorus
  • Absorbs and hold water
  • Dark brown or black (lots of organic material)
  • Lighter-colored and/or ash-like
  • Healthy Soil
  • Burned Soil
Question 33
33.

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 34
34.

Fires are often viewed as disasters. Explain how a wildfire might actually benefit an ecosystem and describe one risk if wildfires are always prevented.

Question 35
35.

The Colorado River Compact of 1922 was based on long-term averages that overestimated water availability. Given what you know about the different Colorado River stakeholders, population changes, and environmental changes, why might it be difficult to create a new, fair agreement today?

Question 27
27.

Look at (A) on the picture. What best describes the situation here?

Question 28
28.

For (B), what best describes what's happening there?

Question 29
29.

What terms best describes (C) on the map?

Question 30
30.

At (D), what best describes the water's mindset?