SCIN 135 Lab 1

SCIN 135 Lab 1 

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Question 1 of 16               6.0/ 6.0 Points  

Note: Please Fill Out Using the Worksheet As a Guide 

For Kuhns' Method:

1. What is the distance from your cheek bone to your hand on the stick? 

Question 2 of 16               6.0/ 6.0 Points  

2. What was the distance from you to the base of the tree?

Question 3 of 16               6.0/ 6.0 Points  

3. How did you measure the distance from you to the base of the tree (e.g. paces, yardstick, tape measure, etc.)?

Question 4 of 16               6.0/ 6.0 Points  

4. How tall did you calculate the tree to be?

Question 5 of 16               6.0/ 6.0 Points  

5. What are possible sources of error with this technique?

Question 6 of 16               6.0/ 6.0 Points  

For Hypsometer Method

6. How did you measure your distance to the tree?

7. Where did the tree top cross the hypsometer?

Question 8 of 16               6.0/ 6.0 Points  

8. How tall did you calculate the tree to be?

Question 9 of 16               6.0/ 6.0 Points  

9. What errors may be made using this technique?

Question 10 of 16             6.0/ 6.0 Points  

10. How far back did you have to stand to measure the height of the tree?

Question 11 of 16             6.0/ 6.0 Points  

For Bellnet's Method Or Repeating Pencil

(In case you do not have a sunny day...You only need to Bellnet's OR the Repeating Pencil Method. NOT BOTH.)

11B. What is the average length of the yardstick shadow?

11RP.  What was your partner's height?

Question 12 of 16             6.0/ 6.0 Points  

12B. What is the average length of the tree shadow?

12RP.  How many pencil heights did the tree appear to be?

                 

Question 13 of 16             6.0/ 6.0 Points  

13B. What is the height of the tree?

13RP.  How high is your tree using this method?

Question 14 of 16             6.0/ 6.0 Points  

14. What are two major sources of errors associated with this technique?

Question 15 of 16             6.0/ 6.0 Points  

Final Thoughts

15. What were the measurements of your tree obtained from each method?

Kuhns____, Hypsometer____, Bellnet's_____Repeating Pencil_____

Explain the variation between the three tree height measurement methods.

Question 16 of 16             10.0/ 10.0 Points              

16. In your experience, which method of the three methods you completed do you think was most accurate and why?