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Worksheets9 week review - 8th grade
Total questions: 131
Worksheet time: 2hrs 3mins
What is the source of the moon's light?
Earth
the sun
the moon
Mars
During which phase does the moon appear as a bright round circle?
First Quarter
New Moon
Third Quarter
Full Moon
What causes the phases of the moon?
Earth's movement around the sun
the moon's movement around Earth
Earth's movement around the moon
the sun's movement around the moon
The moon phase cycle repeats about every
365 days
20 days
29 days
15 days
When the moon is lined up exactly between the sun and Earth, it is called a ______ ______.
We can see the moon during the day.
Object spinning on its axis.
revolution
rotation
The motion of one object around another object
rotation
revolution
It divides the earth into ___________ and ___________ hemispheres.
eastern and western
northern and southern
What imaginary line is drawn around the earth’s center and separates the Northern & Southern hemispheres?
equator
axis
prime meridian
How long does it take earth to make one revolution around the sun?
Which season is taking place in the Northern Hemisphere in Position 1?
Which season is taking place in the Northern Hemisphere in Position 3?
Which of the following best describes the tilt of the earth during the spring and fall equinoxes?
Which season is taking place in the Northern Hemisphere in Position 4?
Which season is taking place in the Northern Hemisphere in Position 2?
What is the reason for warm weather during the summer in the northern hemisphere?
The Earth is closer to the Sun in the summer.
The Northern Hemisphere is closer to the Sun in the summer.
The Sun gives off more heat in the summer than in the winter.
The North pole is tilted toward the Sun during the summer.
Which two months have Solstices?
June and December
March and September
March and June
September and December
How many degress is the Earth's axis tilted?
30.2
23.5
25.3
24
What is the reason for the seasons?
Earth's tilted axis and rotation
Earth's rotation and size
Earth's tilted axis and revolution
Earth's rotation and revolution
If it is Summer in the Northern Hemisphere, then it is ________ in the Southern Hemisphere.
Spring
Summer
Fall
Winter
In the Northern Hemisphere, which month does Winter Solstice occur?
March
June
September
December
What day of the year has the most amount of sunlight?
Spring Equinox
Summer Solstice
Fall Equinox
Winter Solstice
What seasons is taking place in the Northern Hemisphere at Position A?
Spring
Summer
Fall
Winter
What seasons is taking place in the Northern Hemisphere at Position B?
Spring
Summer
Fall
Winter
What seasons is taking place in the Northern Hemisphere at Position C?
Spring
Summer
Fall
Winter
What seasons is taking place in the Northern Hemisphere at Position D?
Spring
Summer
Fall
Winter
During an equinox, there is approximately (a) hours of daylight on Earth.
When it is fall in the Northern Hemisphere, what season is it in the Southern Hemisphere?
(a)
During winter in the Northern Hemisphere, what direction does Earth's axis tilt?
Toward the Sun
Away from the Sun
Sideways
Tectonic plates consist of
continental crust
mesospheric crust
both continental and oceanic crust
oceanic crust
The scientist who developed the big idea called "sea-floor spreading"
Alfred Wedgener
Harry Hess
Edward Dutton
Ortelius
Pangaea was an ancient supercontinent made up of...
America, Greenland, and Europe
Antarctica, India, and America
all of Earth’s continents
South Africa, India, Australia, and South America
Why did no one believe Wegener's thoery that the continents were once together?
He could not explain HOW the continents moved
He didn't have evidence
His data was wrong
He didn't use the right technology to gather data
The movement of the tectonic plates is caused by
the rotation of the Earth
convection currents in the Asthenosphere
the gravity of the iron-nickel core
the Moho discontinuity
Which layer of the Earth consists of tectonic plates?
asthenosphere
mantle
mesosphere
lithosphere
Tectonic plates “float” on
the lithosphere
the mantle
the ocean
the asthenosphere
The fact that similar fossils are found on both sides of the ocean is evidence of
magnetic reversal
global positioning
continental drift
oceanic drift
Who is the scientist who proposed Continental Drift Theory?
Alfred Wegener named his single supercontinent ____________, which means "all Earth" in ancient Greek.
Pandora
Gandowandaland
Pangea
Percia
The Theory of Pangea
The Theory of Moving Continents
The Theory of Continental Drift
The Theory of Techtonic Plates
What type of fossils were noticed by Wegener to be found on two different continents?
True or False: The continental plates move so quickly that we can feel them.
True
False
Most geologists think that the movement of Earth's tectonic plates is caused by
the rotation of the Earth.
the Earth's magnetic field.
subduction.
convection currents.
When plates collide we get ________.
crumbles
volcanos
trenches
mountain ranges
Which layer of Earth flows slowly and causes the crust to move?
Crust
Mantle
Inner Core
Outer core
What is the correct order (starting from the surface) of Earth’s layers?
crust, outer core, inner core, mantle
mantle, outer core, inner core, crust
crust, mantle, outer core, inner core
outer core, inner core, crust, mantle
When tectonic plates slide against each other causing the earth to move.
Subduction means.....
one plate goes under another plate
two plates slide past each other
two plate collide and form folded mountains
Sea-floor spreading explains how.....
new crust is created at a divergent boundary
volcanoes are formed on continents
deep sea trenches are formed
An opening on the Earth's crust through which hot molten rock flows out from deep inside the Earth.
Volcano
Fault line
Fold
Crater
During which process does layer upon layer of sediment build up, exerting pressure on the layers below?
Erosion
Compaction
Conglomerate
Metamorphic rock transforms to sediment by ______?
melting and cooling
cementation and compaction
Weathering and erosion
heat and pressure
Heat and ____________ can change sedimentary rock into metamorphic rock.
Pressure
Melting
Coolig
Igneous rocks form from the __________ of magma or lava.
Pressure
Cooling
Heat
_________ is the process which causes magma to form.
Pressure
Melting
Cooling
Why are some igneous rocks coarse and others are smooth?
Igneous rocks have different textures based on their crystal size. Determined by how quickly it cools.
Igneous rocks have different based on their crystal weight. Determined by how quickly it warms.
Which type of rock often contains fossils and how do you think this occurs?
Sedimentary rocks
Metamorphic
Igneous
Which of the following is an igneous rock?
Gneiss
Shale
Limestone
Pumice
What type of rock is formed from slow cooling magma UNDER the earth's surface?
Extrusive Igneous
Intrusive Igneous
Metamorphic
Sediment
Identify the series of geologic processes that can transform sediment into shale (sedimentary rock), shale into slate (metamorphic), and slate into magma
Cooling; Melting; Heat and Pressure
Compacting and cementing; heat and pressure; melting
Melting; heat and pressure; cooling
Weathering and erosion; compacting and cementing; cooling
Which characteristic is found only in sedimentary rocks?
Fossils
Crystals
Gas Bubbles
Glassy Surface
The Mount Rushmore National Monument is carved from the granite (formed from magma underground) of South Dakota's Black Hills. What type of rock is granite?
Igneous
Metamorphic
Sedimentary
None of the above
The seated sculpture of President Lincoln inside the Lincoln Memorial was carved out of white Georgia marble (formed from Earth's pressure and heat). What type of is marble?
Igneous
Metamorphic
Sedimentary
None of the above
Which characteristic is common to EXTRUSIVE igneous rocks?
Crystals
Fossils
Glassy surface
Ribbonlike layers
Identify the series of geologic processes that can transform magma into granite (igneous rock), granite into sand (sediment), and sand into sandstone (sedimentary rock).
Cooling; weathering and erosion; compacting and cementing
Melting; heat and pressure; cooling
Weathering and erosion; compacting and cementing;
Weathering and erosion; compacting and cementing; heat and pressure
Which type of rock is made from magma cooling inside Earth?
EXTRUSIVE igneous
INTRUSIVE igneous
metamorphic
sedimentary
Which type of rock is made from lava cooling on the surface of Earth?
EXTRUSIVE Igneous
Metamorphic
Sedimentary
INTRUSIVE Igneous
Mixture of minerals, volcanic glass, organic matter, or other material
Brick
Soda Pop Bottle
Steel
Rock
A model showing the processes that create and change rock.
Water Cycle
Carbon Cycle
Rock Cycle
Nitrogen Cycle
_________ rock can be changed by heat and pressure into metamorphic rock.
Large
Sedimentary
Hard
Soft
__________ rock can be broken into fragments that may later form sedimentary rock.
Igneous
Hard
Soft
Small
______ rock can melt and cool to form igneous rock.
Soft
Hard
Metamorphic
Large
Magma that reaches the surface flows from a volcano as ____________
Magma
Water
Ice
Lava
Magma trapped below the surface forms large – grained ______________ rock when it cools.
Extrusive
Metamorphic
Sedimentary
Intrusive
Magma cooling at or near Earth’s surface forms small-grained __________ igneous rock.
Extrusive
Intrusive
Sedimentary
Metamorphic
Igneous rocks are classified in 2 ways.
Heavy and Light
Hot and Cold
Sedimentary and Metamorphic
Extrusive and Intrusive
Volcanic glass rock (obsidian) __________ so quickly that few crystals form.
break
melt
cool
flow
_____________ and ______________ result from one layer of rock on top of another layer.
Tall and short
Heat and pressure
Big and small
Sand and gravel
Sometimes temperature and pressure are great enough to melt rock, forming ______________.
magma
lava
water
sandstone
_____________ texture – mineral grains flatten and line up in parallel layers or bands.
Sandstone
Limestone
Granite
Foliated
_______ texture - mineral grains grow and rearrange but do not form layers.
Drywall
Non-foliated
Smooth
Rough
Sometimes ____________ flattens mineral grains in rocks without melting them.
lava
cold
pressure
granite
Type of rock mostly found on the exposed surface of Earth.
Igneous
Granite
Metamorphic
Sedimentary
Sedimentary Rocks form in
Layers
the desert only
underground
on top of water
Rock fragments, mineral grains, and bits of plants and animal remains moved by wind, water, ice or gravity are called _________________.
sediments
granite
marble
sandstone
When water and other minerals move through open spaced between larger sediments, gluing them together, ____________ occurs.
Compaction
Deposition
Cementation
Erosion
_________ ___________ rocks are made from the remains of once – living plants or animals.
Igneous and metamorphic
Clastic sedimentary
Chemical sedimentary
Organic sedimentary
