Name __________________ Date _________ PD _______
Quiz #11 Analysis of Data: Carrot Cells Osmosis Lab
Class Data Table: Teams Differences in Carrots after 30 minutes in Saltwater, Freshwater and on the Table
Quantitative
Teams Salt Water Carrots
Teams Fresh Water Carrots
Table Carrots
and
1
2
3 4 5 6
7
4
5
6
7
2
3
A 1 2 3
Av 1
Qualitative
v
observations
Length (cm) -.1 -.1 0 - 0 -.2 -.2
0 0
0
+ .1 + .4
0
0
+.1 -.4
.1
Width (cm)
-.5 -.2 0 0 0 +.8 -.1
0 0
+.1
+.3
+.1
0
0
+.! -.4
Mass (g)
-1 -1 0 -2 0 -2 -1
0 0
0
+4
+1
0
+1 -1.1 0
Volume of n
n
n n n n
n
n n
n
n
N
n
n
n
water
in
container ml
Color
of n
n
n n n n
n
n n
n
n
n
n
n
n
carrot
Color
of n
n
n n n n
n
n n
n
n
n
n
n
n
water
Flexibility
n
n
n M n n
n
n n
L
n
n
n
n
n
4
5
6
7
0
0
-.2
-.1
-.4
- .3
n
0
0
n
-.4
-.4
n
-.2
-.3
n
n
n
n
n
n
n
n
n
Ave
USE THE ABOVE DATA TO ANSWER THE FOLLOWING QUESTIONS:
1. How many trials are there for each condition?
__________
2. What do the plus and minus signs represent? ____________________________________________________________________________
3. What does osmosis mean? ________________________________________________________________________________________
4. What are the average differences in carrots after they have been pulled from the salt water? _______length cm ________width cm _______ mass g
5. What is one odd, unexpected data in the salt water carrots data ______________________ What makes this data odd or unexpected? __________________
6. What might have caused the strange data ____________________________________________________________________________________________?
7. What can you indirectly concluded about the direction of water flow when a carrot is in fresh water? _____________________________________________