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Eck 6th Grade Science Midterm Flashcards | StudBud
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Eck 6th Grade Science Midterm
Eck 6th Grade Science Midterm
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Earth Science
Flashcards
28 cards
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Practice quiz
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Questions
28
Answers
1
The Himalayan mountains were formed when:
Two tectonic plates separated from each other
None of the above
A volcano erupted
Two tectonic plates collided
2
What has caused the size of the Everglades to shrink?
The animals migrated to new territory
Fires burned the grasses
People building houses and communities on the land
A drought dried up the water
3
When an aquifer is refilled we call it..
refill
recharge
reboot
reset
4
What causes the plates to move?
They are floating on a layer of liquid of rock
They are pulled by gravity
The Earth is slowly shrinking
They are being pushed out by the core
5
Rain washing soil into a river is an example of:
Erosion
Volcanos
Deposition
Weathering
6
The largest layer of the Earth is the..
Crust
Mantle
Outer Core
Inner Core
7
A watershed is..
a body of water
a wetland
a shed
the land water runs off of
8
Which is not a layer of the earth?
inner core
asthenosphere
lower crust
mantle
9
One reason that seashells can be found in Florida soils is that:
That land was once covered by ocean
They were transported through rivers
They were carried by the wind
Birds carried them there
10
The Everglades are the source of what percent of our drinking water?
84%
75%
99%
50%
11
A plant’s roots growing through a rock is an examples of what kind of weathering?
Physical
Chemical
Deposition
Botanical
12
________________ is the movement of sediments from one place to another.
Erosion
Weathering
Currents
Deposition
13
_____________ pushes up through the crust
magma
seawater
rock
lava
14
Scientists did not believe Alfred Wegener’s theory because:
He couldn't explain how plates moved
He had evidence of fossils matching
He couldn’t show on a map how plates fit together
He was a crazy man
15
The Earth’s continents were once connected in one giant continent called
Pacifica
Pangaea
Eurasia
Indo-Australia
16
Which is not a way the Everglades get damaged?
fertilizer runoff
airplane runoff
saltwater intrusion
farm runoff
17
If a rock is dark and has air bubbles, it is likely a(n)
Conglomerate
Sedimentary rock
Igneous rock
Metamorphic rock
18
Plate tectonics, or the movement of pieces of Earth’s crust, is thought to be caused by
Volcanos
Hot spots
Convection currents in the mantle
Earthquakes
19
What types of rocks are limestone and sandstone?
None of the above
Igneous
Sedimentary
metamorphic
20
This diagram shows..
transform boundary
convergent plate boundary
convergent plates and subduction
subduction
21
When seafloor spread occurs:
All of the above
The older sea floor subducts
New seafloor is being made
Ridges are formed
22
Soil that is full of water is..
squishy
anerobic
humus
hydric
23
magma rising pushing the seafloor apart is called:
The ring of fire
Sea floor rising
Changing sea floor
Sea floor spreading
24
Which often occurs near a plate boundary?
all of the above
mountains
volcanos
earthquakes
25
Who suggested that the continents moved across the surface of the Earth?
Harry Hess
Stephen Eck
Bruce Heezen
Alfred Wegener
26
Which of the following is not a type of stress that can break rocks?
Tensional stress
Shear stress
Midterm stress
Compressional stress
27
What type of plate boundary is this?
diverging
transform
converging
collision
28
Sedimentary rocks are formed when sediment:
Magma erupts as lava and cools
None of the above
Is deposited in layers and compacted over time
Igneous rocks erode over time