Vernier CBL Made Easy User Manual

Page 19

Collect Data

Step 4

CBL Made Easy!

9. When exactly 20 seconds have gone by (when the fifth data point appears on the calculator screen),

quickly move the temperature probe to the beaker containing hot water and continue data collection.
Do not stir the water or move the temperature probe during the remainder of the data collection
period.

10.

When data collection is complete, press

ENTER

to display a graph of temperature vs. time on the

calculator screen. Use

to examine the data points along the curve.

11.

View the calculator data lists and record your temperature data.

Press

ENTER

, then select NO when asked if you want to repeat the trial. Select

VIEW DATA

from the

MAIN MENU

(In the

PHYSICS

program, select

QUIT

TI-73, 82, 83, or 83 Plus Calculators:

To view the data lists, press

STAT

, then select

EDIT

. You can use the arrow keys to scroll through

the time data (L1) and the temperature data (L2). Record the temperature values in your Data Table
(round to the nearest 0.1°C).

TI-85 Calculators:

Press

STAT

, then select <

EDIT

> by pressing

. Select < L1 > (time) as the xlist Name by

pressing

ENTER

. Select < L2 > (temperature) as the ylist Name by pressing

ENTER

The time values are now displayed on the calculator screen as x1–x50 and the temperature values
for Part II are stored as y1–y50. Press

to scroll through the data pairs.

TI-86 Calculators:

Press

2nd

[

STAT

], then select <

EDIT

> by pressing

. Press

to scroll down through

the data lists L1 (time) and L2 (temperature).

TI-89, 92, or 92 Plus Calculators:

To view the data matrix, press

APPS

, select Data/Matrix Editor, then Current. Use the cursor pad to

scroll down through the data lists c1 (time) and c2 (temperature).

DATA TABLE

Time Temp

Time

Temp

(s)

(°C) (s)

(°C)

4 ______

32 ______

56 ______

80 ______

8 ______

36 ______

60 ______

84 ______

12 ______

40 ______

64 ______

88 ______

16 ______

44 ______

68 ______

92 ______

20 ______

48 ______

72 ______

96 ______

24 ______

52 ______

76 ______

100 ______

______

Now that you have collected data, would you like to print a graph? If so, go on to Step 5.