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Score:
18 of 22 points
Answer Key
Question 1 (Worth 2 points)
Which of the following units for distance is an SI unit?
Centimeter
Foot
Inch
Yard
Points earned on this question: 2
Question 2 (Worth 2 points)
What is the mass, in grams, of the object being measured in the triple beam balance shown below?
Snapshot of a triple beam balance. The large slider is at 200 g, the medium slider is at 20 g, and the small slider is at 3 g.
© 2010 FLVS
220 g
223 g
230 g
250 g
Points earned on this question: 2
Question 3 (Worth 2 points)
What is the name for the type of graph shown in the image below?
A graph that uses many individual dots to show the relationship between multiple variables
Box-and-whisker
Histogram
Line
Scatter plot
Points earned on this question: 2
Question 4 (Worth 2 points)
Which of the following best represents precision but not accuracy?
A
A Dartboard showing the darts are scattered far from each other and far from the bull’s-eye.
© 2010 Jupiterimages Corporation
B
A Dartboard showing the darts close to each other and close to the bull’s-eye.
© 2010 Jupiterimages Corporation
C
A Dartboard showing the darts close to each other but not close to the bull’s-eye.
© 2010 Jupiterimages Corporation
D
A Dartboard showing the darts close to the bull’s-eye but not close to each other.
© 2010 Jupiterimages Corporation
Points earned on this question: 0
Question 5 (Worth 2 points)
Which of the following tools should a scientist use to measure an object in meters?
Electronic balance
Pan balance
Tape measure
Thermometer
Points earned on this question: 2
Question 6 (Worth 2 points)
Which of the following is the correct measurement for the volume of liquid shown below?
Snapshot of a graduated cylinder partly filled with liquid. The meniscus of the liquid is even with the fifth tick mark between 8 mL and 9 mL.
© 2010 FLVS
8.5 mL
8.7 mL
85 mL
87 mL
Points earned on this question: 2
Question 7 (Worth 2 points)
A student used a ruler to measure a pencil, as shown below:
A pencil beside a metric ruler. The ruler is scaled from 1 centimeter to 10 centimeters, with markings for millimeters between each number. One end of the pencil is beside the 0 on the ruler, and the pencil point is beside the 5.
© 2010 Jupiterimages Corporation
Which of the following measurements is accurate but not precise?
5 mm
5 cm
50 mm
50 cm
Points earned on this question: 2
Question 8 (Worth 2 points)
Which of the following prefixes represents the largest value?
Giga
Hector
Kilo
Milli
Points earned on this question: 2
Question 9 (Worth 2 points)
Which of the following types of graphs is best for seeing a cumulative pattern in the data?
Histogram
Ogive
Scatter plot
Stem-and-leaf
Points earned on this question: 2
Question 10 (Worth 2 points)
Which of the following is an SI base unit for measuring temperature?
Celsius
Degrees
Fahrenheit
Kelvin
Points earned on this question: 2
Question 11 (Worth 2 points)
Steve poured equal volumes of water into five separate containers. The total volume of water in the five containers is three liters. What is the volume of water in each container?
600 milliliters
60 milliliters
0.06 milliliters
0.60 milliliters
Points earned on this question: 0
Instructors monitor ALL areas of a st
Answers: 3
Chemistry, 22.06.2019 10:00
Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's
Answers: 1
Chemistry, 22.06.2019 11:50
Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘
Answers: 2
Chemistry, 22.06.2019 12:00
In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?
Answers: 1
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