Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit.
(3 points)
Score
1. How will the ice water mix with the salty water? Write your hypothesis below.
Answer:
Solution
Hypothesis Describing Mixing
Hypothesis Describing Temperature
(Will the top be warmer, cooler, or the same as the bottom?)
Solution 1
(freshwater)
Solution 2
(salty water)
Solution 3
(saturated water)
(6 points)
Score
2. Complete the data table. Sketch, use your computer to draw, or write a detailed description to describe how the ice melts into the different solutions. At each interval, record the temperature at the top and bottom of the glass.
Answer:
Solution 1
(freshwater)
0 minutes
5 minutes
10 minutes
30 minutes
Temperature (top of glass)
Temperature (bottom of glass)
Solution 2
(salty water)
0 minutes
5 minutes
10 minutes
30 minutes
Temperature (top of glass)
Temperature (bottom of glass)
Solution 3
(saturated water)
0 minutes
5 minutes
10 minutes
30 minutes
Temperature (top of glass)
Temperature (bottom of glass)
(3 points)
Score
3. Summarize your data. Describe how the ice melted into each solution, and compare the temperatures at the top and bottom of the glass.
Answer:
Solution
Mixing
(How did the colored, fresh, meltwater mix with the salty water?)
Temperature
(Was the top warmer or cooler, or was it the same as the bottom?)
Solution 1
(freshwater)
Solution 2
(salty water)
Solution 3
(saturated water)
(3 points)
Score
4. What does your experiment suggest about what happens when icebergs melt into the ocean? Based on your data, do you think the sea-surface temperatures are warmer or cooler due to the melting water? Make sure you explain how your experiment helps you answer this question.
Answer:
