Definitions
Land
The Earth & Rivers
Resources
100
The wearing away of the Earth's surface.
What is erosion?
100
An area of high, mostly flat land. This landform covers most of the western United States.
What is a plateau?
100
A place where a river empties into a larger body of water.
What is a river's mouth?
100
These different types of resources are found in the United States. Name 3.
What are soil, animals, gold, silver, oil, copper, iron, coal, trees, natural gas, grazing grasses, fishing?
200
A natural resource, such as coal, oil or natural gas, used to make heat or energy.
What is a fuel?
200
A low, bowl-shaped land with higher ground all around it.
What is a basin?
200
The triangle-shaped land at a river's mouth.
What is a delta?
200
Reduce, reuse, recycle. Another examples would be to put better insulation in your house, taking a bus or subway, walking, driving slower.
What are ways we can conserve resources?
300
The kind of weather a place has over a long time.
What is climate?
300
Land that is almost entirely surrounded by water.
What is a peninsula?
300
When the earth is tilted on its axis it causes this:
What are seasons?
300
These types of jobs make goods, such as cheese plant worker, toy maker, or clothing maker.
What are manufacturing jobs?
400
Water, as in rain, sleet, or snow, that falls to the Earth's surface.
What is precipitation?
400
The river drops sand and soil that makes sandbars or islands. Floods leave silt behind.
What causes the buildup of land?
400
The ocean helps keep the land cooler in the summer and warmer in the winter.
How does the ocean affect climate?
400
These types of jobs are jobs that people do for others, such as a teacher, firefighter, police officer, doctor, or banker.
What are service jobs?
500
The day-today conditions in a place.
What is weather?
500
Protecting or conserving the land's top soil.
What is soil conservation?
500
The start of a river.
What is the river's source?
500
Most of the land in South Dakota is used for this.
What is grazing and farming?
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