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6th Grade Earth Science Review Flashcards | StudBud
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6th Grade Earth Science Review
6th Grade Earth Science Review
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Review of 6th Grade Earth Science - Rocks, Minerals, Soil
Flashcards
33 cards
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Questions
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Answers
1
Which soil characteristics in an ecosystem determine organisms that are able to live there?
all of the above
the composition of the soil
the texture of the soil
the particle size of the soil
2
Which type of rock is formed as a result of lava cooling quickly?
intrusive igneous rock
shale
extrusive igneous rock
marble
3
Soil has distinct layers. Considering Topsoil, Subsoil, and Weathered Parent Material:
all three should have the same texture
subsoil has the most rocky texture
weathered parent material has the most rocky texture
topsoil has the most rocky texture
4
The best type of soil for agriculture is
clay
sand
silt
loam
5
_______ soil is the least permeable type of soil.
Clay
Loam
Silty
Sandy
6
Marco found a mineral. What test could he do to find out if the mineral has magnetism?
carefully smell the mineral
rub the mineral on a streak plate
hold the mineral near some iron filings
scratch the mineral with a fingernail
7
Which type of rock is created when lava cools and hardens?
igneous
sedimentary
metamorphic
cement
8
Which type of rock can be formed by adding heat and pressure to any of the three types of rock?
sedimentary rock
no rocks form this way
metamorphic rock
igneous rock
9
Tropical rainforests have a more organisms than other biomes. Which is likely true about soil?
Tropical rainforests generally have no SUBSOIL.
Tropical rainforests generally have no TOPSOIL.
Tropical rainforest soil has LESS humus than other biomes.
Tropical rainforest soil has MORE humus than other biomes.
10
Crushed rock like that in the picture below is good to use for:
walls inside a house
landscape walls
roads
skyscrapers
11
Which of the following rocks likely resulted from compacting and cementing particles together?
sandstone
marble
slate
pumice
12
Which of gypsum's physical characteristics can be described as nonmetalic?
specific gravity
fracture
cleavage
luster
13
The mineral particles found in the layers of a soil (topsoil and subsoil) were originally from
the soil's parent material.
the soil's groundwater.
the soil's humus.
organisms living in the soil.
14
Granite is a type of igneous rock. What determines the size of the crystals in granite?
how many impurities are in the granite
how quickly the rock cooled
how large the sample is
how many times those minerals have been in granite before
15
Rocks are made of minerals and formed in different ways. How are igneous rocks formed?
sand & particles are buried, compacted, & cemented together
molten rock cools and turns solid
other rocks experience intense heat and pressure
wastes deposited by plants and animals decompose and weather
16
Which is the only mineral that can be distinguished solely on the physical property of color?
talc
quartz
pyrite
lazurite
17
Which rock likely contains organic matter?
x
w
y
z
18
Leaves fall to the ground and become part of soil. What process turns leaves into soil?
decomposition
weathering
photosynthesis
transportation
19
Which of the following are true statements about minerals?
I, II, and IV only
II and IV only
I and II only
I, II, III, and IV
20
When identifying minerals, we look at the color in its powdered form. What is this called?
the luster of the mineral
the grain of the mineral
the color of the mineral
the streak of the mineral
21
Farmers must monitor the quality of their soil because
the state requires them to.
it helps determine how high the crops will grow.
it shows which pollutants are in the air.
the health of the soil determines the health of their crops.
22
Most rocks are
mixtures of minerals
compounds made of cells
mixtures of cells
compounds made of minerals
23
What are people testing when they scratch a diamond against glass?
fracture
shape
streak
hardness
24
Granite rock is a natural resource. Which picture shows how people use granite?
metal bridge
concrete
building materials
glass windows
25
Which of the following describes a way in which soil is formed?
Cold temperatures freeze the surface of a pond.
Water washes small particles of rock off of a large rock.
In fall, leaves change colors from green to orange.
Hot temperatures heat the surface of a pond.
26
If you break quartz to learn if it splits smoothly, what physical property are you testing?
specific gravity
cleavage
streak
hardness
27
Which of the following refers to a soil's ability to transmit water?
texture
formation
composition
permeability
28
Gemstones are very expensive minerals. What are these pricey minerals used for?
manufacture of computer components
porcelain dishes
fine jewelry
glass making
29
Which of the following biomes likely has the thinnest layer of topsoil?
grassland
deciduous forest
desert
tropical rainforest
30
Which of the following processes most directly helps create soil from rocks?
melting
weathering
plate tectonics
pressure
31
When looking for gold in California, which characteristic was best to tell gold from pyrite?
streak
luster
cleavage
color
32
Diamonds & graphite may seem very different; however, they share a characteristic. What is it?
composition
shape
hardness
color
33
Which of the following is the raw material from which sedimentary rocks are formed?
magma from the mantle
weathered remains of other rocks
none of these
lava from volcanic eruptions
