Station One: Select the largest of the
following values:
500 mg
500 cg
500 g
500 Dg
Answer:
500 Dg as this is the only prefix given that is
larger than the base unit
Station Two:
1. Convert from 67.5 Hm to nm.
Answer: 6.75 x1012 nm
2. Convert from 56830 g to Kg
Answer: 5.683x10-5 Kg
Station Three: According to the CRC
Handbook of Chemistry and Physics, the
density of iron is 7.9 g/cm3. A sample of
iron is found to have a mass of 610.4 dg.
What volume does it occupy in ml?
Answer: 7.72658 mL or 7.7 mL (in sig figs)
Station Four: The density of silver is 10.5
g/cm3. A block of silver has dimensions of
105 mm by 85 mm by 15 mm. What is the
mass of this block of silver?
Answer: 1,405.69 g or 1400 g (in sig figs)
Station Five: You have a regularly shaped
object that occupies a volume of 450 mm3
and has a mass of 18.3 g. Express the
density in Kg/L.
Answer: 40.667 Kg/L or 41 Kg/L (in sig figs)
Station Six:
1. Convert from 118.3 mm/sec to Hm/hr.
Answer: 4.259 Hm/hr
2. Convert from 31.5 g/cm3 to cg/mm3.
Answer: 3.15 cg/mm3
Station Seven:
1. Convert from 28C to K.
Answer: 28 + 273 = 301 K
2. Convert from 315 K to C.
Answer: 315 – 273 = 42C
3. Which temperature scale includes the
concept of absolute zero?
Answer: Kelvin scale; 0K represents the
point at which all motion ceases.
Station Eight:
1. The number 0.0073 has ___ significant
figures.
Answer: 2
2. The number 1008.4 has ___ significant
figures.
Answer: 5
3. The number 64000 has ___ significant
figures.
Answer: 2
4. The number 1.310 has ___ significant
figures.
Answer: 4
Station Nine: When performing this
operation, report your answer with the
correct number of significant figures:
15.20 (0.0730)(143.0)
0.882 (120)
Answer: 1.5
Station Ten: Report your answer with the
correct number of significant figures.
12.301
15.75
13.4068
14.7
+ 16.25
Answer: 72.4
Station Eleven: Round 100,301 to three
significant figures.
Answer: 1.00 x105
Station Twelve:
1.Write the following numbers in
scientific notation:
a. 2,340,000,000
b.0.0083
c. 121,000
d.0.68
Answer:
a. 2.340x109
b. 8.3x10-3
c. 1.21x105
d. 6.8x10-1
2.Expand the scientific notation into
traditional numbers:
a. 6.02x1023
b.5.91x10-5
c. 1.10x103
Answer:
a. 602,000,000,000,000,000,000,000
b. 0.0000591
c. 1,100
Station One: Select the largest of the
following values:
500 mg
500 cg
500 g
500 Dg
Station Two:
1. Convert from 67.5 Hm to nm.
2. Convert from 56830 g to Kg
Station Three: According to the CRC
Handbook of Chemistry and Physics, the
density of iron is 7.9 g/cm3. A sample of
iron is found to have a mass of 610.4 dg.
What volume does it occupy in ml?
Station Four: The density of silver is 10.5
g/cm3. A block of silver has dimensions of
105 mm by 85 mm by 15 mm. What is the
mass of this block of silver?
Station Five: You have a regularly shaped
object that occupies a volume of 450 mm3
and has a mass of 18.3 g. Express the
density in Kg/L.
Station Six:
1. Convert from 118.3 mm/sec to Hm/hr.
2. Convert from 31.5 g/cm3 to cg/mm3.
Station Seven:
1. Convert from 28C to K.
2. Convert from 315 K to C.
3. Which temperature scale includes the
concept of absolute zero?
Station Eight:
1. The number 0.0073 has ___ significant
figures.
2. The number 1008.4 has ___ significant
figures.
3. The number 64000 has ___ significant
figures.
4. The number 1.310 has ___ significant
figures.
Station Nine: When performing this
operation, report your answer with the
correct number of significant figures:
15.20 (0.0730)(143.0)
0.882 (120)
Station Ten: Report your answer with the
correct number of significant figures.
12.301
15.75
13.4068
14.7
+ 16.25
Station Eleven: Round 100,301 to three
significant figures.
Station Twelve:
1.Write the following numbers in
scientific notation:
a. 2,340,000,000
b.0.0083
c. 121,000
d.0.68
2. Expand the scientific notation into
traditional numbers:
a. 6.02x1023
b.5.91x10-5
3
c. 1.10x10