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What is loose material that covers much of Earth's surface?
SOIL
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What is any of Earth's useful materials called?
Natural Resources
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What is CONSERVATION?
wise use of such things as oil, air, trees and water
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What is TERRACING?
the building of steplike ridges to prevent water runoff
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Miniature River Valleys can also be called ______.
Gullies
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Materials such as soil and gravel that are carried by moving water, wind or ice are called ________.
sediments
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Weathering is the process of what?
where rocks are broken into smaller pieces
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A river and the waterways that drain into it are called ______ _________?
RIVER SYSTEM
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What is the triangula-shaped deposit formed when a river empties into an ocean called?
Delta
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Moving water, wind, and moving ice pick up and carry soil and other materials in a process known as __________.
erosion
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Wind blown sand can (erode/harden) rock surfaces.
Which one?
ERODE
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which one?
(plants/valleys) can act as windbreaks, which slow down the wind.
PLANTS
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Which one?
A glacier moves rock and soil like a (wheelbarrow/bulldozer).
bulldozer
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Which one?
Where wind blows steadily in the same direction (dunes/glaciers) move.
dunes
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which one?
Moraines are deposited as glaciers (form/melt)
melt
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What is a body of water partly enclosed by land called?
bay
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A mass of slow-moving ice is called?
glacier
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Any useful material from Earth is called a (an) ________.
natural resource
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Rock that can be mined for its material is called a (an) _______.
ore
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Wise use of natural resources is called ________.
conservation
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Energy from the Sun is ________.
solar energy
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What is HUMUS?
decayed plant and animal matter in soil
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What are ORES valuable?
they contain MINERALS
-
which one?
Peat is an early stage in the formation of (coal, natural gas)
coal
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What is INCINERATION?
burning of trash
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What is it called when we process items and reuse them?
recycling
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What are wrappings and containers of items for sale called?
packaging
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What is a large hole filled with trassh over time called?
landfill
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What are Hazardous Wastes?
wastes that can pollute even in small amounts
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Trash discarded on the ground or in water is called?
LITTER
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