Name:____________________



Name:____________________

1. How fast does a stream have to

move to carry a 1cm particle?

2. How fast does a stream have to

move to carry the smallest cobbles?

3. Classify the following size particles:

a. .07cm_______________

b. .005cm______________

c. 20.5cm______________

d. 4.2cm_______________

e. .0002cm_____________

f. 39.5cm______________

4. Classify the following particles using your Handy Dandy Earth Science Reference Tables (they are exact size!):

5. a. . ______________ b. ________________

c. _____________ d. big particle _______________

by arrow

5. How fast does a stream have to travel to carry the particles from question 4?

a. _________cm/s b. _________cm/s c. ________ cm/s d._________cm/s

6. Determine what particles would be carried by a stream moving at the following velocities:

a. .04 cm/sec ____________________________________________

b. 2 cm/sec ___________________________________________

c. 20 cm/sec ___________________________________________

d. 100 cm/sec ___________________________________________

e. 200 cm/sec ___________________________________________

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