PRocedure
1. Measure the temperature in both containers prior to turning on the light bulb. Record
the temperature in the BEFORE column on their
Greenhouse Effect Data Collection Table.
a. It is important to know the temperature both before and immediately after the light is
turned on. This provides an initial starting point so changes in temperature can be
discussed accurately.
2. TURNING THE BULB ON
a. Begin timing immediately after turning the light on.
b. Measure and record temperature in the 0-minute column on the worksheet.
3. 2-MINUTE INTERVALS: Take and record temperature measurements on the
Greenhouse Effect Data Collection Table every 2 minutes for the first 8 minutes of the
Greenhouse Effect Laboratory experiment with the light on (data provided by instructor
hi!).
a. Record the temperature in the correct time column as needed.
b. At the end of the 6-minute period, students should discuss and note which container
exhibited the greatest greenhouse effect. In other words, which atmosphere container
had the greatest heat increase
["Control", "CO2"]
PICK ONE
4. Turn off the light bulb immediately after the temperatures are recorded for the 8-
minute interval. Remind students that they will need to make one more measurement at
the 10-minute interval.
5. Note which container has the greatest greenhouse effect (heat increase)
["Control", "CO2"]
PICK ONE
6. At the 10-minute interval, measure the temperature for each thermometer or probe.
7. Calculate the Heat Increase the difference between the start measurement and the 8-
minute interval temperature and record it on their Greenhouse Effect Data Collection
Table
Calculate the Heat Increase
Calculate the Heat Increase
Calculate the Heat Increase
8. Instruct students to calculate the Heat Retention
["3", "2", "5"]
["3", "5", "9", "7"]
["CO2", "Control"]
Comments
The difference between the 8-minute and the 10-minute intervals and record it on their
Greenhouse Effect Data Collection TABLE?? CHOICES BELOW
Start measurement Before light turned on
turn light on
["CO2 only lost 3 degrees", "Control only lost 2 degrees", "CO2 only lost 2 degrees",
"Control only lost 3 degrees"]
which container at greatest heat increase
turn off light
PICK ONE
PICK ONE
PICK ONE
0
2
4
6
8
Time minutes Control Temp C CO2 Control Temp C
20
20
10
20
20
21
22
23
20
21
23
25
27
29
27