gpv 4th science
Card Set Information
gpv 4th science
science review theme
erosion, glaciers, etc.
What is loose material that covers much of Earth's surface?
What is any of Earth's useful materials called?
What is CONSERVATION?
wise use of such things as oil, air, trees and water
What is TERRACING?
the building of steplike ridges to prevent water runoff
Miniature River Valleys can also be called ______.
Materials such as soil and gravel that are carried by moving water, wind or ice are called ________.
is the process of what?
where rocks are broken into smaller pieces
A river and the waterways that drain into it are called ______ _________?
What is the triangula-shaped deposit formed when a river empties into an ocean called?
Moving water, wind, and moving ice pick up and carry soil and other materials in a process known as __________.
Wind blown sand can (erode/harden) rock surfaces.
(plants/valleys) can act as windbreaks, which slow down the wind.
A glacier moves rock and soil like a (wheelbarrow/bulldozer).
Where wind blows steadily in the same direction (dunes/glaciers) move.
Moraines are deposited as glaciers (form/melt)
What is a body of water partly enclosed by land called?
A mass of slow-moving ice is called?
Any useful material from Earth is called a (an) ________.
Rock that can be mined for its material is called a (an) _______.
Wise use of natural resources is called ________.
Energy from the Sun is ________.
What is HUMUS?
decayed plant and animal matter in soil
What are ORES valuable?
they contain MINERALS
Peat is an early stage in the formation of (coal, natural gas)
What is INCINERATION?
burning of trash
What is it called when we process items and reuse them?
What are wrappings and containers of items for sale called?
What is a large hole filled with trassh over time called?
wastes that can pollute even in small amounts
Trash discarded on the ground or in water is called?