Font size
WorksheetsEarth Science Review
Total questions: 53
Worksheet time: 2hrs 47mins
About how long ago was Pangaea?
2 million years
5 million years
100 billion years
225 million years
Who came up with the theory of Continental Drift?
Albert Einstein
Harry Hess
Alfred Wagener
Robert Hancock
About how fast do the plates move?
There’s no way to tell
1 to 2 miles per year
10-12 inches per year
2-3 centimeters per year
What are the plates called that move toward each other?
Divergent
Transform
Attractive
Convergent
What are the plates called that rub in opposite directions?
Divergent
Transform
Convergent
Subduction
What are the plates called that move away from each other?
Convergent
Transform
Divergent
Subduction
What are the scientists called who study the Earth?
Taxonomists
Biologists
Geologists
Volcanologists
What evidence do we have to support Continental Drift? (select all that are true)
The continents seem to fit together
Fossils were found where the organisms could not live
Mineral deposits (like coal) were found on the edges of continents that fit together
Old maps showing a supercontinent
What is most likely to occur at transform boundaries?
Rifts
Only volcanoes
Sea floor spreading
Mainly earthquakes
What is the inner core made of?
Solid Iron and Nickel
Molten (liquid) Iron and Nickel
Solid Basalt
Molten Basalt
What is the outer core made of?
Solid Iron and Nickel
Molten (liquid) Iron and Nickel
Solid Basalt
Molten Basalt
Earth’s lithosphere is broken into pieces called
Plates
Faults
Trenches
Rifts
Which type of seismic wave arrives first at a seismogram?
Surfaces waves
L waves
P waves
S waves
The point on the surface where the earthquake starts is called
Epicenter
Fault
Focus
Magnitude
The instrument used to measure and record earthquakes is called
Seismograph
Crustometer
Range meter
Richter scale
Layers of thin, runny lava that flow out of a volcano then cool will build a
Shield volcano
Composite volcano
Stratovolcano
Cinder volcano
What is subduction?
When an earthquake causes the ground to crumble
When a volcano erupts inward
When a tectonic plates slides under another plate
When 2 tectonic plates move away from each other
What type of seismic waves cause the most damage?
Primary waves
Secondary waves
Surface waves
Body waves
What is molten rock that has formed within the Earth?
Lava
Magma
Volcano
Plume
_______ volcanoes are usually steep sided. They are formed from layers of ash & rock.
Shield
Cinder cone
Active
Dormant
When an oceanic plate and a continental plate collide, which one will subduct?
Oceanic
Continental
Both
Neither
In geologic time, what are the divisions from largest to smallest?
epochs, periods, eras, eons
epochs, eras, eons, periods
eons, eras, periods, epochs,
periods, epochs, eras, eons
The half-life of Carbon-14 is 5730 years. How old would a bone be if it were found to have 50% Carbon-14 left?
5730 years old
11,460 years old
17,190 years old
22,920 years old
What is NOT a reason that the atmosphere is important?
it has many layers
it contains gasses needed for living things
it keeps our planet warm
It protects the earth from radiation
What percent of the atomosphere is Oxygen?
1%
10%
21%
78%
Within the troposphere, as altitude increases, temperature ___________.
increases
decreases
stays the same
there is no way to tell
Which layer of the atmosphere has all of the weather?
Troposphere
Stratosphere
Mesosphere
Thermosphere
The ________________ protects us from the UV rays of the sun.
radiation layer
cloud layer
ozone layer
reflective layer
The atmosphere is divided up into layers based upon what?
temperature shifts
pressure levels
electromagnitism
air currents
Name the layers of the Earth from the outside in.
crust, outer core, inner core, mantle
crust, mantle, inner core, outer core
crust, mantle, outer core, inner core
inner core, outer core, mantle, crust
Which layer of the earth is believed to be the hottest?
crust
mantle
outer core
inner core
What causes the movement of the Earth's crust?
convection currents
ocean waves
lava
earthquakes
What is geologic time?
time in rock years
earth's history organized by major events
earth's history organized by years
earth's history organized by ice ages
Which detecting station is farthest from the epicenter?
A
B
C
There's no way to tell.
What is the delta t on this seismogram?
42 seconds
110 seconds
0 seconds
54 seconds
Use the graph to find the distance to the epicenter if the delta t is 50 seconds.
400 km
490 km
380 km
510 km
Use the graph to find the delta t if the distance to the epicenter was 600 km.
42 seconds
60 seconds
62 seconds
52 seconds
In the diagram, which rock layer is probably the oldest?
layer 1
layer 2
layer 5
layer 6
Based on the diagram, which process explains why less dense, hot magma rises to the surface to displace more dense, cooler magma?
conduction
radiation
diffusion
convection
Which layer of Earth is composed primarily of solid iron & nickel?
layer 1
layer 2
layer 3
layer 4
In which major layer of Earth is soil found?
Crust
Inner core
Mantle
Outer core
Which feature would most likely be forming at converging continental tectonic plate boundaries?
rift valley
volcanic cone
deep trench
mountain
Which type of volcano would be the least explosive?
cinder cone
shield volcano
stratovolcano
composite cone
Earthquake activity in California is primarily caused by
the lowering of aquifer levels.
the interaction of tides with the coast.
mining activity during the nineteenth century.
plates grinding past each other along faults.
Which of the following best describes Earth's tectonic plates?
They move away from each other at the equator.
They move because of convection currents in the mantle.
They collide at midocean ridges.
They form at subduction zones.
According to this map, which of the following describes where volcanoes are most likely to form in the Ring of Fire?
Volcanoes form in the middle of a tectonic plate.
Volcanoes form below the surface of tectonic plates.
Volcanoes form where tectonic plates meet other plates.
Volcanoes form where earthquakes are least likely to occur.
The youngest rocks on the ocean oor are typically located near what feature?
a mid-ocean ridge
a continental shelf
an abyssal plain
a subduction trench
Which can most likely be concluded about the top layer of rock seen in an undisturbed cliff wall?
The top layer is older than layers located farther down the cliff.
The top layer is younger than layers located farther down the cliff.
The top layer contains more fossils than layers located farther down the cliff.
The top layer contains fewer fossils than layers located farther down the cliff.
Based on the Law of Superposition, what can be concluded about fossils?
Fossils give clues about past climate patterns.
Fossils form from the hard parts of organisms.
The oldest fossils are found in the lowest rock layers.
The most recent fossils were advanced organisms.
A scientist observes several different fossils in a rock layer. Based on this observation, which is the best conclusion?
The fossils are composed of lava that cooled around several organisms.
The fossils formed about the same time as the rock layer in which they were found.
The fossils formed after heat and pressure changed the type of rock in the rock layer
The fossils are composed of the same material as the organisms from which they formed.
Which of these animals would most likely form a fossil?
Which of the following layers of rock is most likely the youngest?
the layer containing trilobites
the layer containing shes
the layer containing amphibians
the layer containing dinosaurs
HONORS ONLY
Isotope X has a half-life of 30 days. You originally had 8 grams of it. How much will be left after 90 days?
6 grams
4 grams
2 grams
1 gram
