NOTEPAD

1.	Draw and label a cross-section of the lima bean seed and be sure to label the following structures: embryo, seed coat, cotyledons, and hypocotyl. [4]

2.	Why are fertilizers used? [1]

3.a)  What variables are being controlled in this experiment? [5]

b)	What variable is being altered in this experiment? [1]

c)	What is the independent (controlled by the researcher) and the dependent variable (effect of independent variable) in this experiment? [2]

4.  Complete the observation table below for plant growth during days 0 to 50.

Days	Height of Plant in Pot A	Height of Plant in Pot B	Height of Plant in Pot C	Height of Plant in Pot D	Height of Plant in Pot E	
0						
5						
10						
15						
20						
25						
30						
35						
40						
45						
50						

5. a) Describe the appearance of each of the plants. [5]

b) How did these observations help you determine which fertilizer concentration worked the best? [3]

6.	Use the graph below to plot a line graph for each pot showing height versus pot. Use a different colour for each pot. [8]

																									

																									

																									

																									

																									

																									

																									

																									

7.	Is 1/10 fertilizer strength enough to sustain growth? [2]

8.	Compare half strength fertilizer to the full strength and double strength fertilizer. [2]

9.	How would too much or too little fertilizer damage a plant? [4]