Metric Measurement Lab
Metric Measurement Lab
Metric Measurement Lab
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Name: ____________________________________! Date: _______________! Core: ___________<br />
<strong>Metric</strong> <strong>Measurement</strong> <strong>Lab</strong><br />
Background: The efficiency and effectiveness of the metric system has long been evident to<br />
scientists, engineers, and educators. This lab will enable you to develop an appreciation of the<br />
efficiency of the metric system and the ability to take measurements using this system. In order<br />
to understand completely the usage of the <strong>Metric</strong> System, you need to be familiar with the<br />
history of how the system came into being and with the conversion factors.<br />
Objective: In this investigation, you will learn how to accurately measure length, volume,<br />
temperature and mass using scientific equipment.<br />
Materials:<br />
water<br />
foam block<br />
2 beakers metric ruler<br />
graduated cylinder<br />
triple beam balance<br />
2 Celsius thermometers clock<br />
ice cubes<br />
marble<br />
stirring rod<br />
calculator<br />
Experimental Procedure:<br />
Note: be sure to use the proper units for all answers recorded on the Data Tables.<br />
1. Complete length, mass, volume and density measurements using metric instruments.<br />
a. using a metric ruler, measure the length, width and height of a foam block.<br />
Express your answer to the nearest 0.10 of a cm. Record you answer in Data Table 1.<br />
b. using your measurements of the block, calculate the volume of the block. Express<br />
your answer to the nearest 0.10 of a cubic-centimeter (cm3).<br />
Record your answer in Data Table 1.<br />
c. using the triple-beam balance, determine the mass of the block. Express your answer<br />
to the nearest 0.10 of a gram. Record your answer in Data Table 1.<br />
d. using your found values of volume and mass, calculate the density of the block.<br />
Record your answer in Data Table 1.<br />
Density is calculated as Mass divided by Volume. (D=M/V)<br />
2. Measure the volume of a liquid. Note: you may need to use the “over-flow” beaker in the<br />
event the amount of liquid exceeds the capacity of the graduated cylinder.<br />
a. pour the water from beaker “A” into the graduated cylinder.<br />
b. measure the amount of water in the graduated cylinder. To accurately measure the<br />
volume, your eye must be at the same level as the bottom of the meniscus.<br />
The meniscus is the curved surface of a column of liquid.<br />
Record your answer in Data Table 2.<br />
c. repeat steps a and b for beaker “B.”
Name: ____________________________________! Date: _______________! Core: ___________<br />
<strong>Metric</strong> <strong>Measurement</strong> <strong>Lab</strong><br />
3. Determine the volume of a solid object using displacement.<br />
a. fill the graduated cylinder up to around 50 ml with water.<br />
b. record your marble color and exact volume in Data Table 3.<br />
c. place the marble into the graduated cylinder by sliding it down slowly.<br />
Determine the volume of the marble and water. Record your answer in Data Table 3.<br />
d. determine the volume of the marble. Record your answer in Data Table 3.<br />
4. Measure the temperature of a liquid.<br />
a. fill beaker “A” and beaker “B” with exactly 100 ml of water.<br />
Record this volume in Data Table 4.<br />
b. place a thermometer in each beaker. Wait 2 (two) minutes and then record the<br />
temperature of the water in each beaker in Data Table 5.<br />
c. carefully add 3 (three) ice cubes to the water in beaker “B.” DO NOT STIR.<br />
d. after 1 (one) minute, observe the temperature of the water in each beaker.<br />
Record the temperatures in Data Table 5.<br />
e. after 5 (five) minutes, observe the temperature of the water in each beaker.<br />
Record the temperatures in Data Table 5.<br />
f. find the volume of water in beaker “A.” Record the volume in Data Table 4.<br />
g. Stir the water and ice in beaker “B.”<br />
Continue to stir until the ice has been melted completely.<br />
After the ice in beaker “B” has melted, find the volume of water and record the<br />
volume in Data Table 4.<br />
ANALYSIS QUESTIONS<br />
1. What is the largest volume that your graduated cylinder is able to measure<br />
__________________________________________________________________________<br />
2. What is the smallest volume of a liquid that your graduated cylinder is able to measure<br />
__________________________________________________________________________<br />
3. Did the temperature of the water in beakers A and B change during the investigation<br />
Explain. ___________________________________________________________________<br />
4. Was there a difference in the volume of water in the beakers at the end of the investigation<br />
Explain. ___________________________________________________________________<br />
5. Of the following graduated cylinders, 100 ml, 25ml, or 10ml; which would you use to<br />
accurately measure 8 ml of a liquid Explain.<br />
__________________________________________________________________________
Name: ____________________________________! Date: _______________! Core: ___________<br />
6. Using a Celsius thermometer, how would you determine the temperature of the classroom<br />
Would you change your procedure if you were using a Fahrenheit thermometer Explain.<br />
__________________________________________________________________________<br />
7. When ice was added to beaker B, the thermometer was not removed. Explain why.<br />
__________________________________________________________________________<br />
8. Suppose the water in beaker B had been stirred after the ice had been added. What would be<br />
the effect of this on the temperature of the water Does stirring have an effect on the final<br />
temperature of the water Explain.<br />
__________________________________________________________________________<br />
__________________________________________________________________________<br />
9. Why do you think the water in the graduated cylinder forms a meniscus<br />
__________________________________________________________________________<br />
10. Evaporation is sometimes described as a cooling process. This is because as a liquid<br />
evaporates it takes heat from the surroundings. Using water, two Celsius thermometers, a<br />
small piece of gauze and some thread, design an investigation to test the statement.<br />
Indicate the control and the variable; include problem, hypothesis, procedure, and your<br />
expected observations and conclusions.<br />
__________________________________________________________________________<br />
__________________________________________________________________________<br />
__________________________________________________________________________<br />
__________________________________________________________________________<br />
__________________________________________________________________________<br />
__________________________________________________________________________<br />
__________________________________________________________________________<br />
__________________________________________________________________________<br />
__________________________________________________________________________<br />
__________________________________________________________________________
Name: ____________________________________! Date: _______________! Core: ___________<br />
ANALYSIS QUESTIONS - ANSWERS<br />
1. What is the largest volume that your graduated cylinder is able to measure<br />
LARGE CYLINDER =100 mL<br />
SMALL CYLINDER =25 mL<br />
2. What is the smallest volume of a liquid that your graduated cylinder is able to measure<br />
LARGE CYLINDER =1.0 mL<br />
SMALL CYLINDER =.5 mL<br />
3. Did the temperature of the water in beakers A and B change during the investigation<br />
YES, THE TEMPERATURE IN BEAKER “B” WAS COLDER.<br />
4. Was there a difference in the volume of water in the beakers at the end of the investigation<br />
Explain. YES, THE VOLUME IN BEAKER “B” WAS LARGER.<br />
5. Of the following graduated cylinders, 100 ml, 25ml, or 10ml; which would you use to<br />
accurately measure 8 ml of a liquid Explain.<br />
10 mL - THE 10 mL CYLINDER WILL BE CALIBRATED TO A SMALLER SCALE SO<br />
THAT IT WOULD BE ABLE TO GIVE YOU A MORE ACCURATE MEASUREMENT.<br />
6. Using a Celsius thermometer, how would you determine the temperature of the classroom<br />
Would you change your procedure if you were using a Fahrenheit thermometer Explain.<br />
LEAVE THE THERMOMETER IN THE ROOM LONG ENOUGH TO ALLOW THE<br />
THERMOMETER TO ADJUST, THEN I WOULD READ THE TEMPERATURE<br />
FROM THE THERMOMETER. NO, I WOULD NOT CHANGE THE PROCEDURE.<br />
THE ONLY DIFFERENCE WOULD BE THE SCALE IN WHICH THE<br />
TEMPERATURE WAS READ.<br />
7. When ice was added to beaker B, the thermometer was not removed. Explain why.<br />
SO THE TEMPERATURE COULD BE MONITORED AS THE ICE MELTED.<br />
8. Suppose the water in beaker B had been stirred after the ice had been added. What would be<br />
the effect of this on the temperature of the water Does stirring have an effect on the final<br />
temperature of the water Explain.<br />
THE STIRRING OF THE WATER WOULD DISTRIBUTE THE COLDNESS EVENLY<br />
THROUGHOUT THE WATER. YES, BECAUSE THE MELTED ICE WATER IS MUCH<br />
COLDER THAN THE TAP WATER USED IN BEAKER”A”.<br />
9. Why do you think the water in the graduated cylinder forms a meniscus<br />
THE WATER MOLECULES ARE ATTRACTED TO THE WALLS OF THE CYLINDER.
Name: ____________________________________! Date: _______________! Core: ___________<br />
10. Evaporation is sometimes described as a cooling process. This is because as a liquid<br />
evaporates it takes heat from the surroundings. Using water, two Celsius thermometers, a<br />
small piece of gauze and some thread, design an investigation to test the statement.<br />
Indicate the control and the variable; include problem, hypothesis, procedure, and your<br />
expected observations and conclusions.<br />
PROBLEM:<br />
Design an investigation to test the statement that evaporation is a cooling process.<br />
HYPOTHESIS:<br />
If water is allowed to evaporate from the bulb of a thermometer, then the<br />
temperature reading on the thermometer will decrease.<br />
PROCEDURE:<br />
! 1. Obtain 2 celsius thermometers to be used in the investigation.<br />
! 2. Place thermometer “A” on the table and record the temperature in 0 C<br />
! 3. Place gauze around the bulb of thermometer “B” and tie it in place.<br />
! 4. Soak the gauze in water and fan the gauze to cause the evaporation of the water.<br />
! 5. Record the temperatures of both thermometers “A” and “B” every minute for 10 minutes.<br />
CONTROL:<br />
Thermometer “A” with no gauze and water.<br />
VARIABLE:<br />
Thermometer “B” with the gauze and water.<br />
OBSERVATIONS:<br />
Over time, the temperature readings of thermometer “B” will be cooler than the<br />
temperature of thermometer “A”.<br />
CONCLUSIONS:<br />
Evaporation of water from a surface does cause a cooling effect on the surface from<br />
which the water evaporates from.