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Study guide Ch.9 sci
Question | Answer |
---|---|
a natural land shape or feature | landform |
The kinds of landforms in a certain place | topography |
A large thick sheet of ice | glacier |
A hill of sand, made and shaped by wind | sand dune |
How are canyons most likely formed? | By water erotion |
If you are hikeing up a sloping landform,how can you tell it's a moraine? | If it is made up of rock ,sand, clay,and boulders |
An area of new land at the mouth of a river,formed by sediments carried by the river | delta |
a large hole formed when the roof of a cave clapses | sinkhole |
where would you most likely find a delta | at the mouth of a river |
which is not a cause of weathering | A river carries sediment downstream |
how does moving water efect the earth's surface? | movig water causes erotion |
how does ice change the earth's surface? | ice forms glaciers |
How does erotion efect the earth's surface? | leaves gullies or ditches in the ground.It can also cause slpoing shorelines and cliffs and the cliffs clapse from erosion |
A shaking of the earth's ground caused by a sudden relese of energy of the earth's crust | earthquake |
a break in the earth's crust | fault |
a mountain made up of lava ash or other materials from eruptions that occur at an opening in the earth's crust | volcano |
molten rock beneath earth's surface | magma |
witch of earth's layers contains soft areas where plates float? | mantle |
what causes both earthquakes and volcanic eruptions? | plate movement |
how are chains of volcanoes like the Hawaiian formed? | plates over a hot spot |
What would make better model to shoe the prosses that causes an earthquake-two sponges rubbing against one another or a bowl of jiggling jello? Explain why! | Two sponges because it shows what the plates do |
what would make a better model to show an erupting volcano-a lit firecracker or a shaken can of soda?Explain why! | a shaken can of soda because it shows how the volcano erupts and it shows how it builds up pressure |
Discribe a cinder cone volcano | tall with broad slopes and a short top.Narrow ,steep,and made up of ash,rock,and other solid material. |
Discribe a shield volcano | Short with gentle slopes and a wide top.It's lava flows easily. |
Discribe a composit volcano | very tall,broad slopes,wide top,steep, and made up of lava and ash. |