F Kolias
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Quiz yourself on scientific measurements.

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F Kolias
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Scientific Measurement

Scientific Measurement

Question 1 of 21

1

Which of these is not correct?

Select one of the following:

  • 100 cm = 1 m

  • 1000 mL = 1L

  • 1 mL = 1 cm^3

  • 10 kg = 1 g

Explanation

Question 2 of 21

1

How many significant figures are in the measurement 2103.20 g?

Select one of the following:

  • 2

  • 4

  • 5

  • 6

Explanation

Question 3 of 21

1

How many significant figures in the measurement 0.040200 m?

Select one of the following:

  • 3

  • 5

  • 6

  • 7

Explanation

Question 4 of 21

1

How many grams are in 2.5 kg?

Select one of the following:

  • 0.0025

  • 25

  • 250

  • 2500

Explanation

Question 5 of 21

1

Which is the SI (metric) unit for volume?

Select one of the following:

  • L

  • g

  • K

  • mg

Explanation

Question 6 of 21

1

How many seconds are in a 40-hr workweek?

Select one of the following:

  • 1.4 x 10^5 s

  • 3600 s

  • 14400 s

  • 3.6 x 10^5 s

Explanation

Question 7 of 21

1

Your car gets 35 miles per gallon. How many km per liter does that equal?
(1.61km = 1 mile) and (1L = 0.264 gallons)

Select one of the following:

  • 17 km/L

  • 15 km/L

  • 6.4 km/L

  • 244 km/L

Explanation

Question 8 of 21

1

Closeness of a measurement to its true value is a measure of its:

Select one of the following:

  • usefulness

  • reproducability

  • precision

  • accuracy

Explanation

Question 9 of 21

1

Which sets of measurements is the most precise?

Select one of the following:

  • 1, 3, 2

  • 10.5, 11.0, 11.5

  • 12, 15, 10

  • 120, 121, 122

Explanation

Question 10 of 21

1

What is the volume of 60.0g of ether if its density is 0.70 g/mL?

Select one of the following:

  • 86 mL

  • 0.012 mL

  • 42 mL

  • 0.024 mL

Explanation

Question 11 of 21

1

Some liquid has a density of 1.19 g/mL. What is the mass of 2.0L of this liquid?

Select one of the following:

  • 2380 g

  • 0.000420 g

  • 0.595 g

  • 2.38 g

Explanation

Question 12 of 21

1

A student measures a volume of 25 mL, whereas the correct volume is 23 mL. What is the percent error?

Select one of the following:

  • 0.087%

  • 8.0%

  • 8.7%

  • 0.92%

Explanation

Question 13 of 21

1

What is the area of a piece of metal that measures 4.15 cm x 1.8 cm?

Use significant figures.

Select one of the following:

  • 7.47 cm^2

  • 7.5 cm

  • 7.5 cm^2

  • 7.47 cm

Explanation

Question 14 of 21

1

What is the area of a substance that measures (1.7 x 10^-5 m) x (3.72 x 10^-4 m)

Use proper significant figures

Select one of the following:

  • 6.324 x 10^-9 m2

  • 6.32 x 10^-9 m2

  • 6.324 x 10^-1 m2

  • 6.3 x 10^-9 m2

Explanation

Question 15 of 21

1

How many cm^3 are in 1 m^3 ?

Select one of the following:

  • 10^3

  • 100

  • 10^6

  • 10^9

Explanation

Question 16 of 21

1

A box measures 0.50 m x 0.50 m x 0.50 m. What is the volume (L) of the box?

Select one of the following:

  • 0.125 L

  • 12.5 L

  • 125 L

  • 1250 L

Explanation

Question 17 of 21

1

What is the lowest point on the Kelvin scale?

Select one of the following:

  • 100

  • 0

  • -273

  • 273

Explanation

Question 18 of 21

1

Convert 378 Kelvin into Celsius.

Select one of the following:

  • 651 C

  • 105 C

  • 378 C

Explanation

Question 19 of 21

1

Convert 378 Celsius into Kelvin.


Select one of the following:

  • 651 C

  • 105 C

  • 378 C

Explanation

Question 20 of 21

1

Which is the correct scientific notation for 0.000864

Select one of the following:

  • 86.4 x 10^-5

  • 86.4 x 10^-4

  • 8.64 x 10^-5

  • 8.64 x 10^-4

Explanation

Question 21 of 21

1

What is this number, 8.675 x 10^5 in standard form?
Round to two significant figures

Select one of the following:

  • 870000

  • 867500

  • 0.000087

  • 0.0000867

Explanation

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