Measurement Experiments

Science 210




1.Height measurement:


a)      Measure your lab partnerís height in inches to the nearest 1/16th of an inch.Express your answer as a decimal:


††† Height = _________________________________________


b)      Repeat a), but now measure your partnerís height in centimeters, to the nearest millimeter.Write your answer on the board in front of the class.


Height = ________________________________________


c)      Divide the value for part b) by the value for part a).Write your answer on the board in front of the class.


††† Ratio = __________________________________________


d)      From the values listed on the board, find the average height of the students in the laboratory class.



†††††† Average height = _______________________________________


2.†† Area measurement:


a)      Find the area of the floor in our laboratory room in units of ft2.(Hint: each tile is 9 inches by 9 inches).Write your answer on the board.


††††† Area of room = _________________________________


b)      Find the area of the lab room floor in units of M2.




††††† Area of room = ___________________________________


c)      If the cost of carpet is $35 per square yard, how much will it cost to carpet the lab room?



†††† Cost = _____________________________________________


3.†† Speed measurement


a)      In the hallway, measure the walking speed of your partner in units of ft/sec.(Hint: the tiles are one foot by one foot).Write your answer on the board in front of the class.



†††††† Speed = ___________________________________________


b)      What is your partners walking speed in units of miles/hr?




†††††† Speed = ___________________________________________


c)      How many days will it take her or him to walk to San Francisco?




†††† Time = ______________________________________________

4.Mass measurement


In class there is a bag of M&Mís.Your goal is to estimate how many M&Mís are in the bag.You will be given a balance, a bag and some M&Mís to assist you.The group that gets the closest gets to keep the M&Mís.


Show your work here:







5.Volume measurement:


a)      Measure the volume of the laboratory room in units of ft3.Write your answer on the board in front of the class.






†††††††† Volume = ________________________________________



b)      Find the volume of the laboratory room in units of gallons, and in units of liters.





†††††††† Volume = ____________________gallons = ________________________liters


c)      What is the mass of the air in the laboratory room in units of Kg?(Hint: the density of air is 1.29 grams per liter)






†††††††† Mass = _________________________________


d)      How many air molecules are in the laboratory room?






†††††††††† Number of molecules = _____________________________


e)      How many pounds does the air in the room weigh?






†††††††††† Weight of air = _______________________________________









Some Conversion Factors:

Distance to San Francisco = 450 miles

3 feet = 1 yard††††††††††††††††††† 1 meter = 3.281 ft††††††††††††††††††††††† 1 mile= 5280 ft

1 ft3 = 28.32 liters†††††††††††††† 1 gallon = 3.8 liters††††††††††††††††† 1000 grams = 1 Kg

22.4 liters of air at standard temperature and pressure contains 6.02 x 1023 molecules

a mass of 1 Kg weighs 2.2 pounds on earth