gpv 4th science

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Author:
Anonymous
ID:
110351
Filename:
gpv 4th science
Updated:
2011-10-19 18:27:13
Tags:
science review theme
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Description:
erosion, glaciers, etc.
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  1. What is loose material that covers much of Earth's surface?
    SOIL
  2. What is any of Earth's useful materials called?
    Natural Resources
  3. What is CONSERVATION?
    wise use of such things as oil, air, trees and water
  4. What is TERRACING?
    the building of steplike ridges to prevent water runoff
  5. Miniature River Valleys can also be called ______.
    Gullies
  6. Materials such as soil and gravel that are carried by moving water, wind or ice are called ________.
    sediments
  7. Weathering is the process of what?
    where rocks are broken into smaller pieces
  8. A river and the waterways that drain into it are called ______ _________?
    RIVER SYSTEM
  9. What is the triangula-shaped deposit formed when a river empties into an ocean called?
    Delta
  10. Moving water, wind, and moving ice pick up and carry soil and other materials in a process known as __________.
    erosion
  11. Wind blown sand can (erode/harden) rock surfaces.
    Which one?
    ERODE
  12. which one?
    (plants/valleys) can act as windbreaks, which slow down the wind.
    PLANTS
  13. Which one?
    A glacier moves rock and soil like a (wheelbarrow/bulldozer).
    bulldozer
  14. Which one?
    Where wind blows steadily in the same direction (dunes/glaciers) move.
    dunes
  15. which one?
    Moraines are deposited as glaciers (form/melt)
    melt
  16. What is a body of water partly enclosed by land called?
    bay
  17. A mass of slow-moving ice is called?
    glacier
  18. Any useful material from Earth is called a (an) ________.
    natural resource
  19. Rock that can be mined for its material is called a (an) _______.
    ore
  20. Wise use of natural resources is called ________.
    conservation
  21. Energy from the Sun is ________.
    solar energy
  22. What is HUMUS?
    decayed plant and animal matter in soil
  23. What are ORES valuable?
    they contain MINERALS
  24. which one?
    Peat is an early stage in the formation of (coal, natural gas)
    coal
  25. What is INCINERATION?
    burning of trash
  26. What is it called when we process items and reuse them?
    recycling
  27. What are wrappings and containers of items for sale called?
    packaging
  28. What is a large hole filled with trassh over time called?
    landfill
  29. What are Hazardous Wastes?
    wastes that can pollute even in small amounts
  30. Trash discarded on the ground or in water is called?
    LITTER

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