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Worksheets4 - Surface Geography and Earth Systems REVIEW
Total questions: 37
Worksheet time: 19mins
The removal of ice at the toe of a glacier by melting, sublimation, and/or calving
Erratic
Delta
Glacial advance
Ablation
A sediment pile composed of till deposited by a glacier
Erratic
Ablation
Moraine
Drumlin
A boulder or cobble that was picked up by a glacier and deposited hundreds of kilometers away from the outcrop from which it detached
Bedrock
Drumlin
Clast
Erratic
Grooves or scratches cut into bedrock when clasts embedded in the moving glacier act like the teeth of a giant rasp
Clast
Erosion
Glacial Striation
Erratic
The process by which sediment settles out of a transporting medium
Bedrock
Drumlin
Deposition
Erosion
An example of Unidirectional change is...
Carbon Cycle
Water Cycle
Crust Formation
Ocean Tides
The Precambrian Shield is mostly _______________________ and igneous rocks.
Sedimentary
Metamorphic
Lake Deposits
Sand
The Phanerozoic Basin was created from....?
Mountain Building
Heat & Pressure
Shallow Interior Sea
Collision of Plates
When was SK's potash deposited? Approximately....
300 years ago
3000 years ago
300 million years ago
300 billion years ago
True or False. Mineral deposits are associated with specific rock types and time periods.
True
False
What type of deposit is Regina found in?
Glacial Lake
Alluvial Plain
Organic
Eolian
The forward movement of a glacier’s toe when the supply of snow exceeds the rate of ablation…?
Glacial Retreat
Glacial Melting
Glacial Advance
Moving Backward
What is a way that carbon is RETURNED to the atmosphere?
Photosynthesis
Dissolved in Seawater
Weathering of rocks
Respiration
What gas has made up the largest portion of the Earth’s atmosphere for most of Earth’s history?
Oxygen
Hydrogen
Nitrogen
Carbon Dioxide
What event in Earth’s history probably had the most effect on the composition of the atmosphere?
Volcanoes
Photosynthesis
Formation of Bedrock
Earliest Animals
El Nino affects global weather every _______________ year(s).
1
3-7
10-15
20-25
Geologists study paleoclimate using different means. Which is NOT an example of one?
Tree rings
Stratigraphic Records
Water Samples
Oxygen Isotopes
Which two gases were lost to the atmosphere during the evolution of the atmosphere due to no magnetic field
Nitrogen and Oxygen
CO2 and Argon
Hydrogen and Helium
Hydrogen and Nitrogen
Global weather is dependent on all of these BUT ONE! Choose the one that does not fit.
Wind
Ocean Currents
Mantle Convection Currents
Atmospheric Temperature
Where is the impact of El Nino the most dramatic?
Brazil
Spain
Peru
New York
How did SK's deep valleys form?
Meltwater Channels from Glaciers
Floors of ancient glacial lakes
Relics of an ancient Glacial Lake
Kettle Holes
How did SK's Flat Plains form?
Giant Glacial Rivers
Floors of ancient glacial Lakes
Relic of an ancient glacial lake
Kettle Holes
Clay soils that absorb lots of water ___________ dramatically when wet, causing issues for SK buildings!
Shrink
Swell
Wash Away
What is NOT a glacial sedimentary deposit?
Till
Erratic
Moraine
Bedrock
Because Mars's outer core has stopped its convection currents, it no longer has(a)...
Volcanoes
Ocean Currents
Magnetic Field
Plate Techtonics
Saskatchewan has evidence of _____ meteorite impacts!
2
3
4
5
Regina sits on an ancient glacial lake-bed, this means that the ground is full of small particles, ___________ particles.
Sand
Silt
Loam
Clay
SK's oldest fossils are _________!
Fish
Dinosaurs
Stromatolites
Plants
Which of these vocab words means a glacier has a high rate of ablation? Glacial ____________
Striation
Retreat
Advance
Marine
Which does snowfall affect (on a glacier)?
Ablation
Accumulation
Would a glacier like this one have a high albedo or a low albedo?
High
Low
Has Earth always had a greenhouse gas effect (prior to humans)?
Yes
No
This measures a surface's ability to reflect sunlight:
Albedo effect
Feedback Loops
Photosynthesis
Photochemical dissociation
Why does the water (and wind) travel in circles on Earth?
Ocean currents
Climate Change
Coriolis Effect
Elliptical Orbit
Earth’s continents cycle, there will be another supercontinent in 250 million years.
True
False
The Gaia Hypothesis considers all organisms and their inorganic surroundings on Earth are closely integrated to form (a) __________________ and self-regulating complex system, maintaining the conditions for life on the planet
Polysynthesis
Single
Multiple
Abiotic
Around 3.8 billion years ago, carbon dioxide (CO2) dramatically decreased from Earth’s atmosphere because:
Volcanic eruptions
Asteroid impact
Formation of oceans
