Earth And Changes Over Time Question Preview (ID: 57106)
Science Unit 1 Assessment Review.
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Several Texas rivers begin in the gently rolling hills and broad flats of the Rolling Plains. These rivers and their numerous tributaries are responsible for the rolling character of the land. The rivers cut through the land forming _______.
a) deltas
b) mesas
c) sand dunes
d) canyons
Flood barriers (leeves) are built in areas with high flood risks (Flood plains). Which statement best describes how flood barrier reduce the impact of floods.
a) They filter harmful chemicals from floodwater.
b) They prevent high waters from flooding towns and holds excess water in storage areas.
c) When power goes out during a flood, turbines run to generate electricity for the towns.
d) They are stuffed with cotton, wook, and recycled materials that soak up the excess water.
The source of a river begins in the mountains. The rocks along the mountain side display signs of weathering. How does this occur?
a) Freezing and thawing of water breaks the rocks into pieces.
b) Hot lava is pushing on the rock and breaking it into pieces.
c) The rocks are being chemically weathered by the water.
d) The rocks change their composition.
Mount Saint Helens erupted in 1985. Large clouds of ash engulfed the land and the small lava flow cooled and build up the sides of the volcano forming a _______
a) Canyon
b) Mountain
c) Valley
d) Delta
Earthquakes kill thousands of people each year. What is one way that we can reduce the number of deaths and injuries caused by earthquakes?
a) Have a better warning system
b) Reduce the number of people living in big cities
c) build safer, earthquake resistant structures
d) build better shelters
Which is true about sand dunes?
a) They were built by the deposition of sand by ocean waves
b) They were built by rivers flowing across the land.
c) Sand dunes were built by the deposition of sand by wind.
d) They were built by rivers carrying sediment away.
How was the Grand Canyon most likely formed?
a) Winds blowing in a zig-zag motion.
b) Earthquakes that occured in the area.
c) Water from river broke the rocks into pieces.
d) Heavy rainfall flooding the part of the land.
The Hawaiian Islands were formed by a deconstructive and constructive force. Which force created these islands?
a) Volcano
b) Rift
c) Earthquake
d) Tsunami
Which of the following occurs at the SLOWEST rate
a) Deposition
b) Floods
c) Landslides
d) Earthquakes
Forecasting of seismic activity does not prevent the event from happening, but it can reduce the destruction caused by
a) Hurricans
b) Flooding
c) Earthquakes
d) Tornadoes
Erosion of the beach is normally a slow process. What is one factor that would cause beach erosion?
a) Animal motion
b) Emptying rivers
c) building coral reefs
d) changing tides
You a Volcanologist charged with monitoring volcanic activity. What is one of the BEST indicates that would indicate an eruption was about to occur?
a) an increase of smoke rising from the volcano.
b) an increase in seismic activity
c) lava flowing down the side of the volcano
d) an increase in volcanic ash clouds above the volcano
Rick leave on the side of a hill. What can he do to DECREASE erosion in the yard?
a) Cut down more trees
b) Allow natural vegetation (plants) to grow
c) Use land for growing crops
d) Allow cattle (cows, horses, or goats) to graze more often.
What causes irregular shaping of a landform?
a) glacial movement
b) erosion
c) volcanic activity
d) constructive forces
A huge sea stack sits along the shore of the ocean. Over a period of time, how will the sea stach most likely change?
a) It will become larger and smoother
b) It will become smaller and smoother
c) It will become smaller and less smooth
d) It will become bigger and less smooth
Which is an example that erosion has occured?
a) trees blown over by a storm
b) rainwater washing dirt down the street
c) tree roots growing in between rocks
d) sand being deposited on the beach
The Hawaiian island chain is an example of a volcanic island. How do volcanic island chain form?
a) Magma comes up from the mantle, through the crust and erupts. As the magma cools becoming lava, which flows down the sides.
b) The magma builds up in a sea arch and explodes as the waves crash into it sending tsunamis throughout the ocean.
c) Heavy rainfall collects on the top of the volcano causing magma to be released resulting in huge sections of mud.
d) Magma comes down from the crust, through the mantle and erupts.
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