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Earth's Surface & Interior Flashcards | StudBud
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Earth's Surface & Interior
Earth's Surface & Interior
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Ch. 6 McGraw-Hill Science Concepts-4th Grade
Flashcards
31 cards
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Practice quiz
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Questions
31
Answers
1
BONUS 1: What are earthquakes under the ocean called?
hurricanes
earthquakes
tsunamis
volcanoes
2
What causes an earthquake?
energy released and rocks shift
mountains breaking apart
volcanoes erupting
buildings being knocked down
3
What are pore spaces?
water in glaciers
the air found in bedrock
space between soil particles
bacteria in soil
4
What is humus?
the vegetable dip
leftover plant and animal latter
a chemical change in soil
broken pieces of rock
5
What is the fastest seismic wave?
primary waves
surface waves
secondary waves
6
Silty soil has what type of texture?
medium
fine
coarse
7
True or False? Soil begins to form when bedrock is broken down.
True
False
8
What instrument measures the energy of an earthquakes vibrations?
barometer
seismograph
thermometer
anemometer
9
BONUS 2: Is the crust (of Earth) deeper under continents or oceans?
oceans
continents
10
Sandy soil has which type of texture?
medium texture
coarse texture
fine texture
11
Which horizon in soil is the narrowest?
broken-down bedrock
subsoil
bedrock
topsoil
12
True or False: there are 3 different kinds of waves that tell us about Earth's interior.
False
True
13
True or False: without soil, everything would still live on Earth
True
False
14
Which layer of Earth is made up of liquid, possibly iron?
inner core
mantle
crust
outer core
15
What are the vibrations called during an earthquake?
sound waves
energy waves
super waves
seismic waves
16
What do farmers add to replace minerals that get washed away or used up by crops?
humus
clay
water
fertilizer
17
True or False: Permeability is the rate at which water can pass through porous material?
False
True
18
What is Earth's outermost layer called?
outer core
inner core
crust
mantle
19
What is a terminus?
soil formation
the rock debris left behind
the end of a glacier
large fragments of clay
20
Which layer of soil is characterized as being fairly hard and light in color?
bedrock
subsoil
humus
topsoil
21
Some properties of soil are:
color and size
composition, thickness, and mineral content
scent and location
location and color
22
The breakdown of bedrock is caused by:
rain
chemical changes
all of the listed answers
wind
23
What animal burrows in the ground?
dogs
squirrels
moles
birds
24
What is the break called in an earthquake?
a shake
a fault
a fever
a split
25
What is the isolated boulder called that is left behind by a glacier?
erratic
glacial till
moraine
mantle
26
What is a glacier?
giant blocks of bedrock
small hills of rock or gravel
a large mass of ice and snow that moves over land
melting snow that forms a river
27
What part of a plant grows into the soil?
stem
petals
fruit
roots
28
True or False: Soil filters pollutants out of water.
False
True
29
What layer of soil is characterized as rich in humus and minerals, and dark in color?
horizon
subsoil
bedrock
topsoil
30
What is the layer below the crust called?
inner core
outer core
bedrock
mantle
31
What is beginning point of an earthquake called?
the point
the dot
the focus
the start
