Making Measurements
Lab Equipment
Metric Conversions
Significant Digits
Scientific Notation
100
How many millimeters are in each meter
1000
100
What is the name of the equipment WE use to heat things up?
hot plate
100
What is .550mm in cm
What is .0550
100
How many significant digits does 9400023 have?
7
100
What is 15400 in scientific notation?
1.54X10^4
200
What does an electronic balance measure
weight or mass in grams
200
What type of metric units do we use the ruler to measure in
centimeters and millimeters
200
What is 350kg in dg
3,500,000
200
How many significant digits does 0.00020 have
2
200
What is .005721 in scientific notation
5.721X10^-3
300
How would you find the average of three measurements
Add the three numbers and divide by three
300
What is the name of the equipment that measure temperature?
thermometer
300
What are the three base units?
Grams, Liters, and Meters
300
What does the first significant digits rule state?
All non zero numbers are significant
300
If the number is less than one, the exponent will always be
negative
400
What is the downward curve of the liquid in a graduated cylinder called?
the meniscus
400
What is the function of the funnel?
To transfer materials, usually liquids
400
If you move left on the metric scale what direction should you move your decimal?
Left also
400
As stated in rule 2, all zeros to the right of what two things are significant?
both a decimal and a significant number
400
Calculate using Sscientific notation (1.50X10^4) X (1.4X10^4)
What is 2.1X10^8
500
What must every table have to be accurate?
a title
500
Name three pieces of equipment used for holding and measuring liquids.
beaker, graduated cylinder, testube
500
What is .165mm in km
.000000165
500
How many significant digits are in 10.00?
1
500
Calculate the following using scientific notation (8.8X10^6)/(2.05X10^7)
4.29X10^-1
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