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Worksheets7th Grade Science Final Exam Review
Total questions: 57
Worksheet time: 57mins
What happens at a divergent boundary?
plates collide
plates slide past each other
plates melt
plates move away from each other
The most common type of volcano and the most well-known are:
composite/strato volcanoes
shield volcanoes
cinder cone volcanoes
These are areas where magma melts through crust - Hawaii sits over one.
divergent boundary
convergent boundary
mid-ocean ridge
hot spot
Crust is destroyed where 2 plates collide and one sinks under another at_____
divergent boundaries
convergent boundaries
mid-ocean ridges
hot spots
Volcanoes here have nothing to do with plates interacting and are found in the middle of oceans or even continents.
divergent boundaries
convergent boundaries
mid-ocean ridges
hot spots
When a volcano is going to erupt, magma comes to Earth's surface because it is _____ than surrounding rock.
more dense
less dense
cooler
harder
The force of an eruption depends on_____.
amount of gas in magma
the temperature of the magma
amount of silica in magma
all of these
Viscosity is a measure of how ____ something is.
hot or cold
quiet or explosive
thick or thin
none of these
Some explosive eruptions are called _______, where ash, cinders and bombs are erupted along with gases from a volcano.
magmatic
pyroclastic flows
lava explosions
none of these
What happens when 2 blocks of Earth suddenly move past each other?
an earthquake
a volcano
a tsunami
a hurricane
This is a measure of the energy released during an earthquake:
mass
magnitude
seismosity
intensity
____ waves can pass through all layers of Earth (solid & liquid)
primary
Love
secondary
Rayleigh
All of the following are types of faults EXCEPT ______
hanging
normal
reverse
strike-slip
____ are the 2 types of BODY WAVES
primary & secondary
up & down
Love & Rayleigh
seisms & microseisms
_____ are the 2 types of SURFACE WAVES.
primary & secondary
up & down
Love & Rayleigh
seisms & microseisms
This states that Earth is the result of natural forces which are presently active and have continued over the course of geologic time.
The Law of Superposition
The Principle of Uniformitarianism
Continental Drift
Plate Tectonics
Scientists believe EARTH along with the rest of our solar system was formed about ________
4000 years ago
100,000 years ago
13 billion years ago
4.6 billion years ago
The division of Earth's history into time units like a timeline is known as_______
The Timeline of Earth
The History if the World
The Geologic Time Scale
The Fossil Timeline
The name of the era we are living in now is______
Paleozoic Era
Cenozoic Era
Precambrian Time
Mesozoic Era
When a mass extinction occurs, which group is most often affected?
the smallest animals
ocean animals
the dominant species
dinosaurs
Humans' ability to _______ is a way to protect us from mass extinction.
live on more than one continent at the same time
be omnivores
control fire
use tools
Earth can sustain fire because of 2 things ________.
grass & trees
hydrogen and oxygen
our atmosphere & water
our atmosphere & a fuel supply (plants)
The last thing that humans developed to make them into what we are today is _______.
fire
tools
language
symbolic thought (ex: cave paintings)
The Big Bang created our universe about ________
10 years ago
4,000 years ago
13.7 billion years ago
4.6 billion years ago
Weather is _______
the temperature outside
the average weather of the world
the state of the atmosphere at a given time and place
the amount of sun in the sky
Climate is ______
the temperature outside
the average weather in a particular part of the world
the hours of daylight a place recieves
All of the following determine weather EXCEPT ______
temperature
wind
air pressure
amount of rainfall during the YEAR
A elevation INCREASES, air pressure ______
increases
stays the same
decreases
increases then decreases
Warm air rises because _______
it's molecules are spread apart, so it's dense
it's molecules are spread apart, so it's lighter (less dense)
it' molecules are close together, so it's dense
none of these
Warm air has ____ pressure when compared to cold air.
no
higher
lower
the same
Where can carbon be found?
in the atmosphere
in fossil fuels
in plants and trees
all of these
How is the carbon cycle similar to the water cycle?
both involve liquids
neither process works at low temperatures
both involve the transfer of substances between animals, plants, the atmosphere and Earth
both involve the transfer of substances between Earth and space
How do animals add carbon dioxide to the atmosphere?
through respiration (breathing)
through evaporation
through cells
through transpiration
What are the 2 main processes involved in the carbon cycle?
transpiration & precipitation
respiration & photosynthesis
evaporation & respiration
transpiration & photosynthesis
Which of these historic events led to a major imbalance in the carbon cycle?
The Civil War
The American Revolution
The Industrial Revolution
The French Revolution
How do carbon emissions lead to global warming?
by trapping the sun's heat
by causing volcanic eruptions
by catching fire
by increasing the amount of carbon in Earth's crust
Something that stores more carbon than it releases is called a carbon _______
container
sink
storage
none of these
This provides energy for the carbon & water cycle.
oceans
people
the Sun
Earth
The Big Bang created ALL of the energy we will ever have. This is important and is an example of the concept that_______
energy can only be made in space
energy can’t be created or destroyed
we can make more energy with a simulated Big Bang
we are destroying too much energy too quickly
Our moon is important to Earth because:
it prevents climate swings
it tilted our axis giving us seasons
it slowed Earth to a 24 hr day
All of the above
The history of Earth can be found in its
minerals
rock layers
soil
particles
The yearly orbit of Earth around the Sun is called it's
rotation
tilt
revolution
ellipse
Summer occurs in the hemisphere that is ______ the Sun
tilted away from
tilted toward
turned to
turned away from
A day, 24 hours is caused by the _____ of Earth on it's axis.
rotation
tilt
revolution
ellipse
In the Northern Hemisphere, the _____ occurs on June 21/22
spring equinox
fall equinox
summer solstice
winter solstice
The imaginary line around which Earth spins is called its____
axis
equator
prime meridian
International Date Line
Scientists believe our solar system formed ____ years ago
13
100,000
4.6 billion
10 million
The gravitational pull of the ____ is in part responsible for tides on Earth
moon
Jupiter
Earth
Sun
Point A is showing ______ for the northern hemisphere.
winter solstice
summer solstice
fall equinox
spring equinox
Point C is showing ____ for the northern hemisphere.
winter solstice
summer solstice
fall equinox
spring equinox
Point D is showing ____ for the northern hemisphere.
winter solstice
summer solstice
fall equinox
spring equinox
Hours of day and night are equal all over the world during an _____
solstice
eclipse
equinox
daylight savings time
After a new moon, the phases of the moon are said to be ___ or getting bigger
eclipsing
rotating
waxing
waning
It takes Earth about ____ days to revolve around the Sun.
29.5
27.3
365
365 1/4
It takes the moon about ____ days to complete its cycle of phases.
29.5
27.3
365
365 1/4
A ____ occurs when the Sun reaches its greatest distance north or south of the equator.
waning
waxing
equinox
solstice
During the -_____ phases of the moon, we see less of the lit part of the moon.
solstice
equinox
waxing
waning
