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WorksheetsUnit 1 Summary
Total questions: 11
Worksheet time: 7mins
Which statement best explains the main purpose of this man-made object?
bridge a river.
generate electricity..
prevent flooding.
make clean water.
Which statement best describe this change made to the walls of the Grand Canyon?
stop the rock from wearing down.
protect wildlife
. remove useful minerals.
provide hiking trails.
Based on the picture, how have people changed the land surrounding the Mississippi River?
People have dug canals to irrigate fields.
People have built deep wells so they can use oil and natural gas.
People have dug mines so they can get salt and clay.
People have flattened the land so they can travel and build houses.
Why is wheat grown mainly in the Great Plains, in the western part of the Midwest?
because the coastal soil in the western part of the region is well suited to wheat.
because wheat will grow well in the drier western part of the Midwest
because there is more rainfall in the Great Plains than the Central Plains
because most states in the eastern part of the Midwest do not allow farmers to grow wheat
Part of the Midwest is often called ________ Alley because this type of extreme weather is both common and dangerous.
Tornado
Hurricane
Tsunami
Blizzard
Along with enough rainfall to raise crops, rich soil, and level ground, what else helps make the Midwest one of the most productive farming regions in the world?
cool summer temperatures
a long growing season
inexpensive labor
a large amount of extra land
In addition to the lumber used to make wood products, what’s another resource that comes from forests in the Northeast?
maple syrup
gold
oranges
hydroelectric power
How do people prevent the Mississippi River from overflowing and flooding the riverbanks?
Levees have been placed along the Mississippi River in case of floods.
The National Weather Service lets people know when winds have reached 74 miles per hour.
The American Red Cross helps people evacuate their neighborhoods.
The National Weather Service lets people know when the water level rises.
Which two natural resources are found in the Gulf of Mexico?
oil and gold
natural gas and silver
oil and natural gas
copper and natural gas
Using the map, Alaska has a very low population because of its _______.
large land area.
harsh climate.
natural resources.
political system.
This picture shows ______.
a building zone.
a crop-watering area.
a mining zone
a power plant
