Sig Fig Newtons
The Fifth Dimension(al Analysis)
Measurement
Dense Party
100

The number of significant figures in 0.207

What is 3

100
Dimensional analysis should show others how you got not only your NUMBER but also your...?

UNIT

100

What quantity measures the amount of three-dimensional space an object/sample occupies?

volume

100

Density's definition.

What is mass / volume

200

The number of sig figs in 0.10000250

What is 8

200

How many cm are in 2.4m?

2,400 cm

200

How many digits can you estimate on a measuring tool in lab?

One

200
The density of a solid is reported in these units because the volume can be calculated from three measurements of distance.
What is g/cm[sup]3[/sup]
300

The correctly-rounded product of 4.2 x 7.913

What is 33

300

How many mL are in 0.5 kL?

500,000 mL

300

Name something you could OBSERVE about a sample in lab but not MEASURE.

Color, reactivity, etc...

300
This American unit of volume, most commonly used with dairy, is approximately equal to 3.79 L
What is a gallon
400

The correctly-rounded sum of 6.2830 + 11.49

What is 17.77

400

How many seconds are in a day?

86,400 seconds

400

The SI unit of temperature is...

Kelvin

400
A 4.5 cm[sup]3[/sup] ice cube has a mass of 4.1252 g. Ice's density must be...
What is 0.92 g/cm[sup]3[/sup]
500

The correctly-rounded product of 200. * 20.0000

What is 4.00 x 10[sup]3[/sup]

500

How many feet are in a 5K race? There are 0.621 miles in a kilometer, and 5,280 feet in a mile.

16,394.4 feet

500

Which piece of equipment in our lab MOST PRECISELY measures volume?

Graduated cylinder

500

Lead has a density of 11.34 g/cm[sup]3[/sup]. So, a 5 lb block of lead only takes up this many mL.

What is 200 mL

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