|Plants & Human Affairs (BIOL106) - Stephen G. Saupe, Ph.D.; Biology Department, College of St. Benedict/St. John's University, Collegeville, MN 56321; firstname.lastname@example.org; http://www.employees.csbsju.edu/ssaupe|
Sponge Lab: Pre & Post Lab Assignments
Print & read copies of the lab exercise
On a separate sheet of paper, write your hypotheses for exercise 1 and 2 with a brief rationale.
Question 1: How is the ability of a saturated sponge to hold water affected by the orientation (on edge, flat, on end) of the sponge?
Hypothesis: If a saturated sponge is placed on edge, then......
Question2: After the sponges are allowed to drain, which sponge (top, middle or bottom one in the stack) will hold the greatest amount of water?
Complete Table 1 and then....type a one paragraph
summary of this exercise that includes answers to the following questions: What does this exercise tell you about container size
and soil water content? Which shape/size container will dry out most readily? Plants in which shape/size container will require more
frequent watering? Which shape/size container is it easiest to over-water? In which container would it be best to include more
Complete Table 2 and then....
Last updated: 02/09/2005 / � Copyright by SG Saupe / URL:http://www.employees.csbsju.edu/ssaupe/index.html