Dunkin'
Starbucks
Caribou
PJ's
Folgers
100
What is the number 0.0513 expressed in scientific notation?
5.13 x 10-2
100
Three measurements are each close to one another, but differ greatly from the accepted, correct value for the measurement. Define.
High Precision, poor Accuracy
100
Shawn Newbury has _____________colored eyes.
brown
100
Determine the number of significant figures in this measurement: 11 soccer players.
Infinite.
100
What is the number of significant figures in the measurement 0.070020 meter?
5
200
What is the number of significant figures in the measurement 0.010 square meter?
2
200
Determine the number of significant figures in this measurement: 5.00 cubic meters.
3
200
What is a conversion factor?
Fraction that represents the same amount displayed in different units.
200
What temperature units do scientists commonly use?
Celsius and Kelvin
200
What determines density?
D = M/V
300
What is the symbol and meaning of the prefix milli-?
m; 10-3
300
What temperature does water freeze in Kelvin?
273 K
300
What is the symbol and meaning of the prefix deci-?
10-1
300
What are the names and symbols of the SI base units for mass, length, volume, and temperature, in that order?
kilogram (kg), meter (m), cubic meter (m3), and kelvin (K) or Celsius (C)
300
A measurement is accurate when it is
When it is close to the accepted value.
400
What is the difference between the experimental value of a measurement and the accepted value?
Experimental value is what we measure (precision) and Accepted Value is the correct measurement. (Accuracy)
400
When steel wool is ignited in the presence of oxygen, energy is released in the form of heat and light. Which observation(s) provide evidence that a chemical change is occurring?
The temperature around it increased, Dark Particles fall from the steel wool, the steel wool glows bright orange.
400
What corresponds to 0 degrees and 100 degrees on the Celsius scale?
0 is freezing point of water, while 100 is the boiling point of water.
400
Daily Double
What corresponds to 0 K, or 0 on the Kelvin scale?
The lowest temperature of matter that scientists have ever measured. Absolute Zero.
400
What do you do with the coefficient's and exponents when multiplying two numbers in scientific notation? What about when you divide them?
Very good.
500
1 m = ? micrometers
1,000,000 micrometers
500
What is a general rule of thumb when multiplying two numbers that have a different number of significant figures?
The answer must match the least amount of sig figs for that question.
500
PUNISHMENT BOX
Your team lost 500 points.
500
FREE BOX
Your team just received a free 500 points.
500
What is the name of this Chapter?
Scientific Measurement