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- 1. Multiple Choice
Students on a field trip observed a valley and wondered how it was formed. The three major characteristics of the valley were recorded. This valley was most likely formed by -
a rapid series of earthquakes
volcanic activity
a flood with rapidly moving water
the movement of a glacier
- 2. Multiple Choice
The Grand Canyon is more that 400 km long and in some places almost 2 km deep. Which model best represents the main process that formed the Grand Canyon?
- 3. Multiple Choice
Monahans Sandhills State Park in Texas has almost 4,000 acres of sand dunes. Some of the dunes are as tall as a six-story building. The dunes in the park are formed by -
rainstorms
tornadoes
earthquakes
strong winds
- 4. Multiple Choice
The size and shape of a delta can change over time. The size and shape of this delta over time are NOT likely to be changed by -
the number and height of tides along the shore
the amount and size of sediments carried by the river and streams
the amount of hunting and fishing in the delta
the number and size of waves from the ocean that reach the shore
- 5. Multiple Choice
Students constructed this model of a hill by covering sugar cubes with clay. The students placed the model in a large pan and poured hot water over it every day for a week. What does the model best represent?
A method for removing fossil fuels from hills
The formation of caves in hills
The formation of plains
A method for separating minerals
- 6. Multiple Choice
The photograph below shows a canyon in northern Arizona. Which of these describes how this canyon was most likely formed?
Floods eroded the sandstone away from the canyon walls.
Glaciers eroded the canyon rock as they melted and moved.
Ice wedged into cracks in the rock and weathered the canyon walls.
Wind blew large rocks that smashed against the canyon walls.
- 7. Multiple Choice
A wide U-shaped valley is shown in the photograph below. This valley was most likely formed by -
flash flooding
a glacier
a hurricane
melting snow
- 8. Multiple Choice
The Rio Grande Valley is located at the southern tip of Texas at the end of a long river known as the Rio Grande. How did the delta at the end of the Rio Grande form?
Sand and mud from the Gulf of Mexico were washed ashore by tsunamis.
The river cut through the solid bedrock of the valley.
The river deposited large amounts of sediment from land erosion.
Hurricanes pushed soil and debris from the Gulf of Mexico onto the land.
- 9. Multiple Choice
A student hiking in a rocky area on a mountain notices that wide, deep cracks have formed in some of the large rocks. Some of the cracks are so large that the rocks have broken apart. Which process most likely caused these rocks to crack and break?
Erosion by wind
Water freezing and thawing
Erosion by fast-moving water
Sediments being deposited
- 10. Multiple Choice
Glaciers are masses of ice that move slowly on land. Which of these features was most likely formed by a glacier?
A wide valley
A deep ocean
A lava flow
A mountain range
- 11. Multiple Choice
A river delta is an area where sediments are deposited. The sediments in the river delta shown below most likely come from the -
mountain range
desert
ocean floor
coastline
- 12. Multiple Choice
A delta, the landform found at the mouth of a river, forms when –
plants on the river bank cause erosion
the river deposits sediments as it slows
rushing water makes stones in the river smooth
water flowing down the mountain makes it taller
- 13. Multiple Choice
Which of the following landforms is the result of a river carving out land by erosion?
Sand dune
Delta
Mountain
Canyon
- 14. Multiple Choice
Canyons and deltas are similar in that both form -
high in the tallest mountains
where lots of sediments collect
due to the action of moving water
in and around active volcanoes
- 15. Multiple Choice
How can a glacier change a mountain? A glacier can -
change the shape of a valley.
generate a volcanic eruption.
cause a powerful earthquake.
make a mountain grow taller.
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