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WorksheetsHistory Of Earth and Rock Cycle Review
Total questions: 167
Worksheet time: 2hrs 1mins
Absolute Dating
Method of measuring the age of an event or object using radioactive elements. Gives an exact date.
Method to determine if an event or object is older or younger by comparing the rock layers.
Principle that States that are above the rocks if the younger layers of oldest rocks have not been disturbed
Relative Dating
Method to determine if an event or object is older or younger by comparing the rock layers.
Method of measuring the age of an event or object using radioactive elements. Gives an exact date.
Principle that States that are above the rocks if the younger layers of oldest rocks have not been disturbed
Law of Superposition
Principle that States that are above the rocks if the younger layers of oldest rocks have not been disturbed
Method to determine if an event or object is older or younger by comparing the rock layers.
Method of measuring the age of an event or object using radioactive elements. Gives an exact date.
Half Life
The time required for half of a sample of a radioactive substance to undergo radioactive decay
Principle that States that are above the rocks if the younger layers of oldest rocks have not been disturbed
Method to determine if an event or object is older or younger by comparing the rock layers.
Fossil
The remains or evidence of a physical body preserved by geological processes.
A fossil who only lived short time but was widely distributed. Ex. Trilobites
The time required for half of a sample of a radioactive substance to undergo radioactive decay
Method to determine if an event or object is older or younger by comparing the rock layers.
Index Fossil
A fossil who only lived short time but was widely distributed. Ex. Trilobites
The remains or evidence of a physical body preserved by geological processes.
middle life (245-144 million years ago); rise of mammals and dinosaurs; the rise of birds; extinction of dinosaurs, rise of flowering plants
In what type of rock would a geologist MOST likely find evidence of ancient life?
sedimentary
igneous
metamorphic
Which method would be BEST for scientists to use to determine the absolute age of a Precambrian igneous rock?
index fossils
law of superposition
radiometric dating
relative dating
Which method can BEST be used by the students to determine the relative age of rock layers?
radiometric dating
rock type evaluation
the law of superposition
principle of uniformitarianism
Why do scientists use relative dating although it doesn't give you an exact age?
radiometric and absolute dating only work on organic (things that have lived)
law of superposition does give you an exact number
radiometric dating is only done on intrusions (magma) because magma is very radioactive (dangerous)
Which is a process that allows scientists to compare rock layers with others in a sequence to determine their age?
radiometric dating
absolute dating
relative dating
What can be used to find the exact age of a rock specimen?
ice cores
index fossils
radioactive dating
What role do faults play in the Law of Superposition?
Faults create new types of rock.
Faults are younger than the layers they cut through.
Faults are the same age as the layers they cut through.
Which is the best example of an index fossil?
corals found in rock layers worldwide
dinosaur bones found only in Australia
footprints of different types of dinosaurs
casts of bird feathers found in all layers of rock in an area
The index fossil of a type of trilobite is discovered in layer A of a set of rock layers found at three different sites of a field investigation. Which conclusion can be made about the rocks in layer A at all three sites?
The rocks are all different ages
The rocks are all about the same age
The rocks were formed from melting magma
The rocks were formed during a catastrophic event
What is the geologic time scale?
a method to determine how old or young a fossil is
a time frame of earth's history
tells scientists the order of rock layers
What is an intrusion?
molten magma that goes through rock layers, is older than what it cuts through
molten magma that goes through rock layers, is younger than what it cuts through
lava that sits on the surface of the earth and has cooled down
What is another term for the word "fault"
intrustion
earthquake
magma
fossil
Which best represents the purpose of ice core drilling?
to study changes in gravity
to study changes in climate
to determine the relative age of fossils
What role do faults play in the Law of Superposition?
Faults create new types of rock.
Faults are younger than the layers they cut through.
Faults are the same age as the layers they cut through.
How are sedimentary rocks formed?
by hardening and cementing of layers of sediment
by fossils getting buried in various layers of sediment
by cooling and hardening of hot molten rock from inside the Earth
Where is evidence most often found to represent a record of Earth’s history?
air, lava, and fossils
water, air, and rocks
lava, water, and ice cores
rocks, fossils, and ice cores
Which is used to find the relative age of a rock?
composition of rock layers
position of rock layers
carbon-14 dating
uranium dating
Which provides the best evidence of Earth’s changing climate?
ice cores
volcanic ash
metamorphic rocks
sediment in river beds
An irregularly shaped rock formation is found within a group of parallel rock layers. What most likely created this formation?
thrust fault
lava intrusion
metamorphic rock
sediment deposition
Which is used in radioactive dating?
carbon-14
index fossils
hydrochloric acid
law of superposition
Where would evidence of earthquakes most often be found throughout Earth’s history?
in dry riverbeds
along fault lines
along the ocean shore line
in desert sand dune formations
Which type of rock forms from the cooling of lava?
igneous
limestone
sandstone
metamorphic
Which best describes a fossil that helps determine the relative age of a rock layer?
trace fossil
index fossil
radioactive fossil
unconformity fossil
Which is the most likely reason scientists would want to analyze the air trapped in an ice core?
to study how much oxygen was in the ice
to learn how the atmosphere changed over time
to determine how many gas bubbles were present in the air
to study how many animals lived on Earth when the ice was formed
Scientists studying rock layers classify the top layer as the most recent, followed by older layers that are uncovered as they dig deeper. Which law explains this method of relative dating?
law of geologic continuity
law of universal position
law of lateral continuity
law of superposition
formed through the cooling and solidification of magma or lava.
igneous rock
metamorphic rock
The Rock
minerals
type of rock which has been changed by extreme heat and pressure
metamorphic rock
mold fossil
volcano
igneous rock
the action or process of forcing a body of igneous rock between or through existing formations, without reaching the surface
intrusion
obstruction
relative age
rock layer
states that younger rock is found above older rock when comparing undisturbed sedimentary rock layers
law of superposition
trace fossil
matter can't be created or destroyed
atoms
Ice core
A long cylinder of ice obtained from drilling through ice caps used to study past climates and atmospheres
broken ice chips that are best used to cool grape soda
atoms that don't move and remain electrons when exposed to nuclear physical changes
a lot of reading. Did you read this one too? Good, cause the answer is all about climates and atmosphere
Which is a process that allows scientists to compare different rock layers in a sequence to determine their age?
radiometric dating
absolute dating
relative dating
speed dating
Scientists found two ammonite fossils in rock layers far across the ocean floor from each other. Ammonite fossils are a type of index fossil. Knowing this, which of the following could scientists infer about the rock layers containing the fossils?
The rock layers are about the same relative age.
Both rock layers formed because of volcanic activity.
The rock layers experienced the same kinds of erosion.
The same climate existed where both rock layers formed.
Why are index fossils used as guides to determine the age of rocks?
Each index fossil lived during a specific geologic time period.
Index fossils are found in igneous rocks.
Index fossils are very rare and are not commonly found in rocks.
All index fossils lived during all the periods of geologic time.
What is the primary reason a scientist would study an ice core sample?
to study changes in gravity
to study sedimentary rocks
to determine the relative age of fossils
to study changes in climate
A rock formed from fragments of other rocks is a(n)
Metamorphic Rock
Sedimentary Rock
Extrusive Rock
Igneous Rock
An igneous rock containing large crystals is most likely a(n)
Chemical Rock
Foliated Rock
Extrusive Rock
Intrusive Rock
If heat and pressure inside the Earth cause a rock to melt, the material that formed would be
Metamorphic
Magma
Sedimentary
Igneous
You find a rock in which the grains are arranged in parallel bands of white and black crystals. The rock is probably a(n)
Igneous rock
Sedimentary rock
Metamorphic rock
Extrusive rock
This rock was formed when molten rock cooled into a solid. What type of rock is it?
Igneous Rock
Metamorphic Rock
Sedimentary Rock
This rock formed when bits of other rocks became pressed into a solid. What type of rock is it?
Sedimentary Rock
Metamorphic Rock
Igneous Rock
What are the 3 major types of rocks?
Igneous, Metamorphic, Sedimentary
Metamorphic, Igneous, Cementation
Brown, Red, Gray
Streak, Hardness, Breakage
When sediments are pressed together tightly, this is called ____________.
Compaction
Cementation
Weathering
Erosion
The process when rocks break into smaller pieces due to exposure to natural elements is called
erosion
weathering
sediments
The movement of weathered material (sediment) is called?
weathering
erosion
deposition
A Variation that makes an organism more suited to its surroundings
adaptation
variation
evolution
embryology
According to the continental drift hypothesis, the presence of similar fossils in South America and Africa supports which scientific idea?
Animals easily and frequently travel from Africa to South America.
Species of animals probably traveled between continents on natural rafts (such as trees destroyed in tsunamis).
Land bridges once existed that connected the continents.
South America and Africa were once connected together.
What was the name of the supercontinent?
Panorama
Pangea
Panamerican
Wegener
What is the theory that continents were all once together and have drifted apart?
american movement
continental plates
continental drift
memorial drift
What Are The Three Main Types Of Rocks?
Igneous, Depository, Metamorphic
Depository, Igneous, Sedimentary
Metamorphic, Igneous, Depository
Igneous, Metamorphic, Sedimentary
How are metamorphic rocks formed?
Heating and cooling
Deposition
Heating and pressure
Materials gathering and pressing together
How are igneous rocks formed?
Sediment forming together
Heating and pressure
Cooling
Deposition
How are sedimentary rocks formed?
Heating and pressure
Sediment forming together
Weathering
Cooling
Rocks can turn into any other rocks?
True
False
Minerals and rocks are the same?
True
False
Rocks have four main characteristics that are used to classify them?
True
False
What are the four characteristics used to classify rocks?
Formation, mineral composition, erosion
Formation, mineral composition, texture, color
Streak, mineral composition, color, texture
Formation, mineral composition, texture, erosion
What are rocks made of?
Salt
Minerals
Other rocks
Sand
The color of a rock is a result of its chemical composition?
True
False
What is texture determined by?
Color
Erosion
The size, shape, and pattern of its grains
The look of it
What are grains?
The grains are the particles of minerals that give a rock its texture
Lines
Bumps, lines, and dots
It's chemical composition
The rocks cycle follows a specific order?
True
False
What can cause rocks to change?
The Earth's orbit around the sun
Environmental conditions
The minerals falling apart
Internal conditions
No rock lasts forever
True
False
An igneous rock with large crystals in it would have formed from __.
conglomerate
lava
magma
The type of rock formed when old rocks are weathered and the pieces that
break off are cemented together into new rock.
igneous
metamorphic
sedimentary
The type of rock formed when heat and pressure change an old rock into a new
type of rock.
igneous
metamorphic
sedimentary
The type of rock that may contain fossils.
igneous
metamorphic
sedimentary
What are rocks made of?
seeds
living things
wood
minerals
All rocks on Earth's surface can weather and become sediment
True
False
Metamorphic rocks are rocks that have been changed from heat and pressure.
True
False
The cycle of old rocks turning into new rocks is called_____.
the mineral cycle
the fossil cycle
the sedimentary cycle
the rock cycle
All types of rock can potentially change from one type to another at some point on the rock cycle.
True
False
When metamorphic rock is (a) is becomes sediment.
When igneous rock is (a) it becomes magma.
When molten (melted) rock cools and becomes a solid, a _____ rock forms.
Igneous
Sedimentary
Metamorphic
Mineral
Sedimentary rocks are made up of
large rocks.
hard rocks.
mostly igneous rocks
small particles of sediment.
According to the diagram, how does a sedimentary rock become a metamorphic rock?
Weathering and Erosion
Heat and Pressure
Compaction and Cementation
Melting
When heat or pressure causes one rock to change into a new type of rock, we call these rocks _____.
Igneous
Sedimentary
Metamorphic
Mineral
the transport of fragments of rock by water, wind, ice, or gravity
deposition
lithification
erosion
weathering
What is letter A?
Cooling
Melting
Heat and pressure
Weathering and erosion
What is letter B?
Cooling
Melting
Heat and pressure
Weathering and erosion
What is letter E?
Heat and pressure
Melting
Deposition, Compaction, Cementation
Weathering and erosion
What is letter G?
Heat and pressure
Cooling
Deposition, Compaction, Cementation
Weathering and erosion
1. The movement of rock by wind, water, ice, or gravity is called..
Deposition
Erosion
Weathering
Physical Change
1. Which biome is likely to be most affected by wind erosion?
Deciduous Forest
Rain Forest
Desert
Grasslands
The breakdown of rocks caused by freezing and thawing is called..
Mechanical Weatherin
Chemical Weathering
Erosion
Deposition
The breakdown of rock and soil is called..
Deposition
Weathering
Erosion
Physics
How might a weathered mountain appear different from a mountain that has not undergone much weathering?
The weathered mountain would appear rounder in shape
The weathered mountain would appear more jagged
The weathered mountain would be taller
The weathered mountain would contain fewer trees
What might cause chemical weathering
Acid Rain
Violent Earthquakes
Growing Plants and expanding ice
Volcanic Eruptions
How is mechanical weathering different from chemical weathering?
Chemical weathering happens over a much shorter time frame than mechanical weathering
Chemical weathering occurs in the tropics; mechanical weathering occurs in temperate climates
Chemical weathering occurs in the mountains; Mechanical weathering occurs on flat surfaces
Chemical weathering changes the chemical compositions of materials; mechanical weathering does not.
What impact does weathering have on soil formation?
Chemical weathering adds helpful chemicals to the soil
Rocks are broken down into smaller pieces, and finally into sediment
Mechanical weathering adds ice to the soil, which turns into water
Volcanic eruptions contribute metamorphic rocks to the soil.
What types of rocks are formed by weathering?
Metamorphic rocks
Igneous rocks
Sedimentary rocks
Volcanic rocks
How long does the weathering process take?
Years and years
Exactly one year
No more than a month
A few days
Carbonic acid is a mixture of ...
Water and limestone
Calcite and quartz
Oxygen and Hydrogen
Water and Carbon Dioxide
What process hollows out limestone caves?
Chemical Weathering
Mechanical Weathering
Spatial Weathering
Cave Weathering
1What is the purpose of sealing a concrete birdbath?
Allow it to warm up the water for birds
Allow the concrete to absorb water
Keep the concrete from freezing and cracking
Allow water to evaporate quicker
Pick the list which shows ONLY examples of physical weathering..
water, salt, Carbon Dioxide
water, ice, wind
Oxygen, Acids, Animals
water, wind, gravity
Oxidation is ..
The process by which Oxygen helps break down something
The process of opening up an object to breathe
A classy way of breathing
A loss of hydrogen
Which type of rocks are formed quickly above ground?
Extrusive Igneous Rocks
Sedimentary Rocks
Metamorphic Rocks
Intrusive Igneous Rocks
Which kind of rocks can melt into magma?
Metamorphic Rocks
Igneous Rocks
Sedimentary Rocks
All Rocks
Metamorphism is..
Where water and wind carry away sediments
Where chemical reactions change rocks into other substances
Where intrusive igneous rocks become extrusive igneous rocks
Where heat and pressure are applied to a rock to change it
Obsidian is an example of a rock that is ..
Intrusive Igneous Rock
Extrusive Igneous Rock
Sedimentary Rock
Metamorphic Rock
Traces of living organisms or shells are commonly found in..
Extrusive Igneous Rock
Intrusive Igneous Rock
Sedimentary Rock
Metamorphic Rock
This rock was another type of rock that was heated and compressed over time. What type of rock is this?
Sedimentary
Igneous
Metamorphic
This rock started as molten magma but transformed after a volcano erupted. What type of rock is this?
Sedimentary
Igneous
Metamorphic
This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?
Sedimentary
Igneous
Metamorphic
What are the 3 major types of rocks?
Igneous, Metamorphic, Sedimentary
Metamorphic, Igneous, Cementation
magma, lava, crystals
The process by which metamorphic rocks are formed...
heat and pressure
erosion and deposition
melting and cooling
Any rock can turn into any other kind of rock.
True
False
The process by which sedimentary rocks are formed...
compaction and cementation
What do we call the material that comes from rocks that have been broken down into smaller pieces?
texture
weathering
sediment
erosion
What is the process called that moves small pieces of Earth's surface to another location?
erosion
weathering
deposition
river flow
What is it called when Earth's surface is broken down into smaller pieces?
deposition
weathering
weather
erosion
How comfortable do you feel about your understanding of weathering and erosion?
I understand and can help others.
I understand but still need a little more time.
I am still a little confused on the differences between them.
I am struggling to understand and identify weathering and erosion.
