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Rocks, Weathering, Erosion, & Soil Flashcards | StudBud
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Rocks, Weathering, Erosion, & Soil
Rocks, Weathering, Erosion, & Soil
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Earth Science review game. NC 6E2.1-2.3 standards. #earthscience #NC6E2
Flashcards
25 cards
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Questions
25
Answers
1
Which is considered a property of soil?
luster
streak
fracture
texture
2
If soil is permeable ___
water cannot flow through it
it contains few minerals
water can easily flow through it
it contains many minerals
3
Which changes sediment into sedimentary rock?
heat and pressure
melting
weathering and erosion
compaction and cementation
4
When do metamorphic rock form?
When layers of sediment are deposited
When heat and pressure changes rock
When lava solidifies in seawater
When particles of rocks break off at Earth's surface
5
Which process forms igneous rock?
compaction and cementation
sediments
heat and pressure
melting and solidifying of magma
6
What is the name of the "blood mineral" that is causing a war in the Congo?
gems
coltan
iron
diamonds
7
Which is an example of a mixture?
oxygen
silver
ice
soil
8
Which of these particle, when found in soil, contributes MOST to the water retention in soil?
sand
silt
clay
gravel
9
Which is an agent of chemical weathering?
carbonic acid
growing tree roots
ice wedging
burrowing animals
10
Which BEST explains the relationship between parent rock and soil composition?
It determines the number of organisms found in soil
It determines the amount of air found in the soil
It is the smallest component of soil
It is the largest component of soil
11
A student identifies a soil sample as "very gritty." What characteristic of the soil is this?
organic material
hardness
water retention
texture
12
How can the type of bedrock under soil affect the characteristics of the soil?
by contributing small rock particles to the soil
by absorbing excessive rainwater
by provided surface area for nutrient accumulation
by preventing soil erosion
13
Which property BEST indicates that soil contains nutrients?
amount of sand
amount of clay
texture
color
14
Soil color is closely related to its content. Which element causes soil to appear red?
magnesium
iron
silicon
calcium
15
What should be added to soil to increase its water retention?
pebbles
rocks
clay
sand
16
What is a mixture of rock and mineral fragments, organic matter, air, and water called?
clay
soil
horizon
limestone
17
How do the nutrients necessary for plant growth get into the soil?
Water filters through the soil.
The soil absorbs sunlight
The soil is exposed to air
Organic matter is decayed in the soil.
18
The texture of soil depends mainly on the __.
water in the soil
composition of the soil
mass of the soil
plants growing in the soil
19
Which soil component has the least capacity for holding water?
humus
sand
clay
silt
20
What is the source of the organic matter needed for MOST fertile soils?
eroded sand
moving water
weathered bedrock
decaying plants
21
Which characteristic of soil BEST indicates that soil has a high humus content?
the color of the sample
the amount of rock in the sample
the mass of the sample
the amount of clay in the sample
22
Which horizon of soil is mostly made up of dead plant matter?
A
O
C
D
23
Which environment would MOST likely have rich, fertile soil?
a coastal beach
a flood plain
a mountain peak
a desert plain
24
Chemical weathering will most likely happen in a warm and moist climate.
False
True
25
How will lichens producing an acid that breaks down rock affect the environment?
The will begin the process of building soil.
It will prevent the carbon cycle from occurring
It will put acid into the lakes and ponds.
It will prevent bacteria from invading the ecosystem
