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Review of 2nd semester 6th grade Earth Science Flashcards | StudBud
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Review of 2nd semester 6th grade Earth Science
Review of 2nd semester 6th grade Earth Science
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review for final
Flashcards
43 cards
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Answers
1
the force that changes a rock's shape
friction
liquefication
stress
an aftershock
2
The many overlapping food chains in an ecosystem make up a(n)
energy pyramid
feeding level
niche
food web
3
The largest population an environment can support is
birth rate
death rate
limiting factor
its carrying capacity
4
Heat from the sun reaches you by
light emission
radiation
convection
conduction
5
Tall cone-shaped mountains in which layers of lava alternate with laters of ash are
lava plateau
composite volacanoes
shield volcanoes
cinder cone volcanoes
6
The earthquake risk along the Pacific coast is high because
there have been no earthquakes there lately.
That's where the Pacific and North American plates meet.
satellites have detected an increase in ground elevation.
serious earthquakes are rare east of the Rockies.
7
consumers that eat both plants and animals are
scavengers
carnivores
herbivores
omnivores
8
Which of the following is an example of a predator adaptation?
frogs bright colours
plant's poisonous chemicals
shark's powerful jaws
porcupine's needles
9
The atmosphere is
contains the ozone
the layer of gases that surrounds the Earth.
the layer in which whether occurs
layer of water in the oceans
10
The Coast Guard warns of a giant wave approaching after a large earthquake. What is it?
an aftershock
a tsunami
landslides
liquefication
11
When ash,cinders and bombs build a steep cone, the result is a
none of the above
composite volcano
cinder cone volcano
shield volcano
12
The formation of the Hawaiian Islands is an example of
volcanoes forming along plate boandaries.
volcanoes forming over a hot spot
the Ring of Fire
continental drift.
13
Before lava reaches the surface, it is called
magma
liquid fire
volcanic ash
rock
14
When mountain climbing, you easily get out of breath because
air pressure is greater
there is less oxygen in each cubic meter of air.
the air is more dense
the percentage of Oxygen in the air decreases.
15
As you rise upwards in the atmosphere, air pressure
first increases then decreases
increases
decreases
doesn't change
16
Volcanic belts form along
Earth's plate's boundaries
North American mountain ranges
islands in the Pacific Ocean
coast around Antarctica.
17
Which of the following is an interaction in which on organism kills and eats another?
predation
mutualism
competition
symbiosis
18
What provides the force that causes magma to erupt at the surface?
the silica in the magma
dissolved gasses in the magma
gravity in the lithosphere.
the magma's density
19
Which of these consumers is a herbivore?
spider
deer
vulture
lion
20
A group of bighorn sheep leaving the herd is an example of
emigration
increasing birth rate
decreasing death rate
immigration
21
The most diverse biomes on Earth are
tropical rain forests
coral reefs
fisheries
deep-sea areas
22
If members of a species disappear from Earth, the species is said to be
endangered
threatened
extinct
keystone
23
Heat transfer between two substances that are in contact is called
thermal energy
radiation
convection
conduction
24
Which of the following is an example of a population?
the cats and dogs in your neighborhood
the gray wolves in a forest
the bushes and grass in a park
the rocks in a rock collection
25
Geologists cannot yet predict earthquakes because
they need to know where all past earthquakes occurred.
there are too many faults to monitor.
they aren't certain where stress will be released
they have too much data
26
a close relationship between two species that benefits at least one of the species is
adaptation
competition
natural selection
symbiosis
27
When a flea is living on a dog, the dog is the
host
prey
parasite
predator
28
The nonliving parts of an ecosystem are called
biotic factors
abiotic factors
organisms
populations
29
Which of the following is a biotic factor in the prairie ecosystem?
grass
water
soil
sunlight
30
When ground water is heated by magma and collects in a natural pool, it's a
hot spring
vent
pyroclastic flow
geyser
31
This long tube connects the magma chamber to the Earth's surface.
side vent
pipe
vent
crater
32
An organism that can make its own food is a
producer
scavenger
decomposer
consumer
33
A volcano that is not expected to erupt in the future is said to be
explosive
active
dormant
extinct
34
All the different populations that live together in an area make up a(n)
ecosystem
species
community
organism
35
This type of stress pushes rock in two directions
compression
tension
tension
shearing
36
The loss of a natural habitat is called
habitat destruction
polluting
poaching
habitat fragmentation
37
This substance found in magma determines if the eruption will be quiet or explosive
aa
obsidian
pahoehoe
silica
38
If a hawk eats a mouse that eats grass, the hawk is a
second- level consumer
producer
decomposer
first-level consumer
39
In what direction do seimic waves carry the energy of an earthquake?
toward the focus
through the mantle only
from the surface to the interior
away from the focus
40
The behaviours and physical characteristics that allow a species to live successfully is
adaptations
limiting factors
biotic factors
habitats
41
An organism's particular role in its habitat is called its
ecosystem
competition
niche
carrying capacity
42
The main hazard from a quiet volcanic eruption is.
geysers
lava flows
pyroclastic flows
volcanic gases
43
Which of the following can cause damage days after a large earthquake?
an aftershock
a tsunami
surface waves
liqefaction