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Earth Science Part 1
Test Description: This test is designed as a cumulative review to cover the various 7th grade Earth Science standards.
Instructions: Answer all questions to get your test result.
1) Which of the following can be scratched with a fingernail?
A
quartz
B
diamond
C
calcite
D
topaz
2) How does the process of erosion affect Earth's structure?
A
Erosion makes stream beds deeper
B
Erosion melts rocks to create magma
C
Erosion increases the size of mountains
D
Erosion creates oceanic trenches.
3) Havasu Falls in the Grand Canyon drops over 120 feet over a vertical cliff into a pool below. Which processes are most responsible for forming this waterfall?
A
weathering and erosion
B
tectonic collisions and earthquakes
C
deposition and sedimentation
D
flooding and landslides
4) How does the process of deposition affect Earth's structure?
A
Deposition releases magma on Earth\'s surface.
B
Deposition creates sediment from rocks.
C
Deposition removes soil from riverbeds.
D
Deposition adds materials to landforms.
5) How does the process of plate tectonics affect Earth's structure?
A
Plate tectonics creates mountains when plates collide.
B
Plate tectonics leads to the movement of glaciers across land.
C
Plate tectonics causes rivers to form valleys.
D
Plate tectonics moves sediment from one location to another.
6) How does volcanic activity affect Earth's structure?
A
Volcanic activity creates islands.
B
Volcanic activity increases the size of rivers.
C
Volcanic activity wears down cliffs.
D
Volcanic activity moves Earth\'s plates.
7) Which of the following provides the best evidence that Earth's climate has changed over time?
A
the different varieties of flowering plants
B
the action of wind breaking down rocks into small pieces
C
the discovery of crocodile fossils in Greenland
D
the presence of insect bodies in hardened sap
8) Which of the following provides the best evidence that Earth has evolved over time?
A
varying colors of sand grains
B
layers in the atmosphere
C
locations of glaciers
D
seashell fossils in deserts
9) Which of the following best describes the role pressure plays in the rock cycle?
A
Pressure changes the chemical make-up of sediments, causing them to harden.
B
Pressure transforms sedimentary and igneous rocks into metamorphic rocks.
C
Pressure causes hot magma to sink and cool, forming igneous rocks.
D
Pressure weakens sedimentary rocks, breaking them into sediments.
10) Heat and pressure can turn a sedimentary rock into which of the following?
A
an igneous rock
B
a sediment
C
a different sedimentary rock
D
a metamorphic rock
*select an answer for all questions
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