1 2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Chipping Away Water, Water EverywhereUnder GroundFire and Ice Name That Landform

2 a process whereby rock is physically broken down into smaller pieces.

3 What is mechanical weathering?

4 a process whereby rock is chemically broken down into new materials.

5 What is chemical weathering?

6 a kind of mechanical weathering in which water seeps into cracks or joints in a rock, freezes and expands causing increased pressure, and ultimately cracks the rock.

7 What is ice wedging?

8 a kind of mechanical weathering in which rocks collide with one another causing a wearing away of a layer of rock.

9 What is abrasion?

10 a process whereby the minerals in rocks are changed chemically by water (ex. the mineral feldspar is broken down into clay).

11 What is hydrolysis?

12 the process by which liquid water changes to water vapor (gas) and enters the atmosphere.

13 What is evaporation?

14 the process by which water vapor (gas) expands and cools and leaves the atmosphere. (ex. cloud formation).

15 What is condensation?

16 the process by which plants give off water vapor into the atmosphere.

17 What is transpiration?

18 the process by which water falls from clouds onto the Earth’s surface. Examples: rain, snow, sleet, hail.

19 What is precipitation?

20 water that flows over the land into streams and rivers … a waste of water common in cities.

21 What is run off?

22 water that soaks up into the soil and rock underground … a valuable stored natural resource!

23 What is ground water?

24 a body of rock through which water can flow and in which much water can be stored (ex. Porous sandstones and fractured limestones make good ones of these).

25 What is an aquifer?

26 a rock or sediment through which water easily flows is said to be this.

27 What is permeable?

28 the amount of water a rock can hold is based on its __________

29 What is porosity?

30 DAILY DOUBLE!!! Given these choices: 1.A 100 mL cup filled with small marbles. 2. A 100 mL cup filled with large marbles. 3. A 100 mL cup filled with a mixture of large and small marbles. The one that could hold the least water would be cup ___.

31 What is cup # 3 ( A 100 mL cup filled with a mixture of large and small marbles. )?

32 a massive sheet of ice that covers a large land area occupying millions of square kilometers (ex. Antarctica and Greenland are the only two in existence today!).

33 What is a continental ice sheet (or continental glacier)?

34 the opposite side of the dune which faces away from the wind … usually steeper … sand tumbles down it.

35 What is the slipface ?

36 DAILY DOUBLE!!! Given these choices, which is true about the snowline: 1. The snowline is lower in elevation closer to the Equator. 2. The snowline in higher in elevation closer to the Equator. 3. Latitude does not effect the elevation of the snowline.

37 What is answer #2 ( The snowline in higher in elevation closer to the Equator. )?

38 One of the two types of crescent-shaped sand dunes.

39 What is barchan (a crescent shaped dune whose open side faces away from the wind … a common type of desert dune.) OR Parabolic (a crescent shaped dune whose open side faces into the wind … often found in conjunction with deflation hollows.)?

40 One of the two mechanisms by which a glacier can move.

41 What is basal slip (movement caused by the downward pressure of snow and ice melting the bottom of the glacier. This liquid at the base of the glacier acts as a lubricant, allowing it to flow.) OR internal plastic flow (movement caused by solid ice crystals slipping over each other causing a slow, forward motion. This motion occurs more towards the surface and center of the glacier where friction with adjoining rock surfaces slow it down.)?

42 The shape of a valley which running water (ex. a river) has formed looks like this letter of the alphabet.

43 What is the letter “V”?

44 The shape of a valley which a valley glacier has formed looks like this letter of the alphabet.

45 What is the letter “U”?

46 When carbon dioxide dissolves in ground water, it forms a weak, rock eating acid that creates this landform (Hint: stalactites and stalagmites).

47 What is a cave?

48 the layer of larger gravel particles left after deflation has eroded away all of the finer particles of rock or soil … can halt further erosion by covering up finer grained rock and soil particles beneath it.

49 What is desert pavement?

50 A common wind deposit made of fine- grained dust particles from the dried beds of glacial lakes and outwash … make excellent soils... found in our area, the Pacific Northwest, and the Gobi desert in China (Hint: Name means “loose” in German).

51 What is loess?