Test 7 Study Guide Flashcards
The two kinds of crust are:
1) continental
2) oceanic
Name the soil-horizon layers
1) humus
2) topsoil
3) subsoil
4) bedrock
A minor earthquake is called a ______________.
tremor
A _______________ __________ has never been found in the fossil record
transitional form
The layer of the earth beneath the crust is called the ____________.
mantle
Marble and slate are examples of this kind of rock
metamorphic
Pumice, obsidian, and granite are examples of this kind of rock
igneous
Matter that settles to the bottom or sides of a body of water is called ________________.
sediment
Geologists use this test to test the hardness of rock
scratch test
The temperature of earth ____________________ as its layers deepen.
increases
A rock or mineral that can reflect light has ________________.
luster
Renewable or nonrenewable?
coal
nonrenewable
Renewable or nonrenewable?
hydropower
renewable
Renewable or nonrenewable?
natural gas
nonrenewable
Renewable or nonrenewable?
oil
nonrenewable
Renewable or nonrenewable?
solar power
renewable
Renewable or nonrenewable?
wind power
renewable
This is the earth’s main source of light and heat energy.
sun
Common forms of _______________ rock are sandstone, limestone, and shale.
sedimentary
Can fossil fuels be used again as energy after they are burned?
no
An earthquake’s energy comes from its ________.
focus
An animal can only be fossilized if it has been buried ________________________ sedimentary layers were forming.
at the same time
Is a diamond a gem?
yes
Name the two main ingredients in soil.
1) humus
2) minerals
______________ is the loss of soil by water or wind.
Erosion
Pumice has ______________ density than granite.
less
Mountains, plateaus, valleys, and canyons are examples of ___________________.
landforms
What is the study of the earth and its structure?
geology
Where does most of the earth’s fresh water come from?
polar ice caps and glaciers
Name a geological event which is believed to be caused by plate activity.
earthquakes
volcanic eruptions
Name a natural resource
see Science book for possible answers
rock that seems to have been changed by heat or pressure
metamorphic
rock formed from hot lava or magma
igneous
mixture of sand, silt, and clay
loam
a break between two moving plates
fault
large areas of the earth’s crust
crustal plates
trembling or shaking in the earth’s crust
earthquake
coal, oil, and natural gas
fossil fuels
a place in the earth’s crust where magma can erupt as lava
volcano
rock formed from hardened sediments
sedimentary
Be able to label the layers of the earth
see Science book, p. 328
Explain why we find fossils in sedimentary rock
-The earth was covered with water during the Flood.
-This water was filled with matter.
-The matter settled in layers, quickly burying plants and animals.
-The buried plants and animals became fossils, and the sediment hardened into sedimentary rock.
