WorksheetsPE.1.a.b Sudden and gradual changes to earth
Total questions: 20
Worksheet time: 9mins
To develop a model of the earth below the crust, scientists need to make...
models, which are based on non-destructive tests.
models, which are based on destructive tests.
inferences, which are based on guesses.
inferences, which are based on evidence and reasoning.
Scientist can infer the composition of the earth by methods of...(select all that apply)
Lab experiments
Drilling and studying rocks
Seismic waves
Studying earth's magnetic field
Studying earth's gravitational field
What is the correct order of layers starting from the surface of the earth?
inner core, outer core, mantle, crust
crust, outer core, inner core, mantle
crust, mantle, upper core, lower core
crust, mantle, outer core, inner core
The crust is the only solid part of the earth.
True
False
Earthquakes are caused by...
Seismic waves deep below the surface
Shear forces between the rocks slipping and releasing energy
Richter scale forces
Pressure released from the hotter mantle below the crust
During an earthquake, the point on the _______ directly above the _________ is called the ___________.
focus, epicentre, surface
epicentre, focus, surface
surface, epicentre, focus
surface, focus, epicentre
How many times more intense is an earthquake measuring 9 on the Richter scale versus a quake measuring 5?
4
10,000
1,000
100
Molten rock that has spilled onto the surface is known as...
Magma
Mantle
Lava
Hot spot
A volcano moves molten rock upwards because the ______ rock in the magma chamber below the volcano is _______ than the surrounding ______ rock because solid rock ______ when it melts.
molten, lighter, solid, expands
molten, heavier, solid, expands
solid, lighter, liquid, expands
molten, lighter, solid, contracts
Incremental changes to the earth's surface occur in which order?
weathering, erosion, deposition
erosion, weathering, deposition
erosion, deposition, weathering
deposition, erosion, weathering,
_______ is the movement of mineral grains from one place to another.
_______ is the laying down of material by wind, water, or ice.
_______ is the process of breaking down rock into sand, silt, clay.
erosion, weathering, deposition
weathering, erosion, deposition
deposition, weathering, erosion
erosion, deposition, weathering
Water erosion against rock is an example of...
Mechanical weathering
Chemical weathering
Biological weathering
A type of physical weathering caused by rock hitting other rock (by wind, water streams, or glaciers for example) is called...
corrosion
abrasion
sublimation
deposition
Roots pushing into bedrock below the soil is an example of...
Mechanical weathering
Chemical weathering
Biological weathering
Acid rain (pollution caused by humans from the combustion of carbon fuels) is an example of...
Mechanical weathering
Chemical weathering
Biological weathering
Frost wedging is an example of...
Mechanical weathering
Chemical weathering
Biological weathering
"Big rock" near Okotoks, AB is an example of a _________
glacier
glacier erratic
esker
bedrock
A glacier pushes forward rocks, sediments, and trees. As a glacier melts it retreats, leaving behind...
forests
beaches
drumlins and moraines
goblins and monsters
As a glacier retreats, it leaves ridges that run back towards the glacier. These ridges are called...
Drumlins
Moraines
Eskers
Glacier erratics
Fluvial landforms are any formations caused by...
running lava
running water
earthquakes
glaciers
