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Casio EA-200 User's Manual

Download Operation & user’s manual of Casio E-Con EA-200 Calculator, Power Supply for Free or View it Online on All-Guides.com.

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20020601

English

Activity: Operating the EquipmentActivity: Operating the Equipment

MeasurementMeasurement

2-15-2

쐽 Measuring Data

u Prepare the Temperature Measurement Setup and start temperature measurement.

u Cover the system with the rain cover.

u Remembering that the mass of each of the substances is different, observe the measured

change in temperature and its relationship with the specific heat.

쐽 Calculator Operation

u Perform the following operation to prepare for temperature measurement using the

temperature probe.

Using E-CON

Using a Calculator Program

Find the applicable program in the Program Library (P.2-16-4), input it into your calculator,

and then run it.

u Display the temperature measurements.

If there is the possibility that the EA-200 might become too hot, place a shade over the EA-200

to block the sun. Note that you should put a little water into the air bottle and a little air into the

seawater bottle. Doing so reduces the effect of thermal expansion inside each bottle.

1 Air

2 Seawater

3 Earth

T(°C) : Temperature

t (s) : Time

m“E-CON”w1(SETUP)c(Advan)

b(Channel)1(CH1)c1(CASIO)c(TEMP)b(°C)c1(LIST) 2w

c2(CH2)c1(CASIO)c(TEMP)b(°C)c1(LIST) 3w

c3(CH3)c1(CASIO)c(TEMP)b(°C)c1(LIST) 4ww

c(Sample)1(NO)c1(TIMER) 360wc1(NUM) 241ww1(START)

u Use the measurement results to estimate differences in air temperature between a

dry inland area and a coastal area.

u Use the specific heat values provided in the table for seawater and stone to calculate

the quantity of heat absorbed by the seawater and earth in the bottles, and compare

them. Consider why this value is different for each of the bottles.

u Try replacing the substances inside the bottles with other substances.

u Consider why it is impossible to determine the specific heat value from temperature

changes, and to determine the ratio of specific heat between two substances.

u Attach one optical probe to the EA-200, and investigate the relationship between

light intensity and change in temperature.

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Other Things To Do

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