15.12.2012 Views

Planetary Geology pdf - NASA

Planetary Geology pdf - NASA

Planetary Geology pdf - NASA

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Sketch Area C<br />

Part Four<br />

Clean up all the sugar on the table. Form another thin layer of sugar 20 cm by 20 cm in size and make a 3 cm<br />

high cone of sugar in the center. Make sure the cone is in the spot of maximum wind. Use the bottom of the drinking<br />

glass to form a flat-bottomed crater that goes all the way down to the table surface. Make an initial sketch of<br />

the crater and its surroundings. Turn the fan on and off for three, one-minute intervals and sketch what you<br />

observe. Include top and side view, as well as arrows indicating the wind movement over and around the crater.<br />

(Use Sketch Area D, placing two sets of sketches in each box provided.)<br />

16. a. Initial Sketch (use Sketch Area D):<br />

b. Sketch after first one-minute interval (use Sketch Area D):<br />

c. Sketch after second one-minute interval (use Sketch Area D):<br />

d. Sketch after final one-minute interval (use Sketch Area D):<br />

17. Based on your observations and sketches, are there any differences in erosion and deposition of sugar<br />

between the bowl-shaped crater and the flat-bottomed crater? If yes, explain.<br />

110<br />

Exercise Nine: Aeolian Processes<br />

Activities in <strong>Planetary</strong> <strong>Geology</strong> for the Physical and Earth Sciences EG-1998-03-109-HQ

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!