Vocabulary
rock cycle
minerals and soil
changes to earth
Miscellaneous
100
what is the sequence of processes that change rock over long periods?
the rock cycle
100
Scientists classify rocks into three major groups. What is this classification based on?
where the rock forms
100
what is the solid layer of rock that forms earth's surface called? (the bottom most layer of soil)
bedrock
100
What happens when 2 plates along a fault shift quickly?
an earthquake
100
What is the outer most layer of the earth called? (where we live)
crust
200
what is the process of wearing down rocks called?
weathering
200
What causes most weathering on Earth?
water
200
What makes up the largest part of soil?
sediment
200
where do dunes form?
along a coast (beach)
200
What is the information about earth's history contained in fossils called?
the fossil record
300
what is the process of carrying sediment from one place to another called?
erosion
300
which of these is not a cause of erosion? -heat -ice -water -wind
heat
300
What makes soil horizons different from each other?
particle size in each layer
300
what new landform may form when 2 plates push into each other?
mountains
300
what type of rock would you most likely find a fossil? -igneous, metamorphic, or sedimentary?
sedimentary
400
What are the layers in soil called?
horizons
400
what type of rock forms from other types of rocks by heat and pressure?
metamorphic
400
what happens when you rub a mineral against a surface?
it leaves a streak
400
name one way living things can cause weathering
plant roots, animals digging, etc...
400
during what era in geologic history did the dinosaurs live?
mesozoic era
500
what is the shape of the landforms in an area called?
topography
500
What type of rock forms from cooled magma or lava?
igneous
500
What do scientists examine to tell minerals apart?
physical properties- color, streak, hardness, etc...
500
What happens during a river's deposition?
sediment is carried downstream and dropped when the river slows down building up the land.
500
what determines soil type and color?
the area where the soil forms
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