Chapter Two Honors

Units and Measurements

100

The SI unit for temperature is...

Kelvin

200

True or false, the SI unit for mass is gram

False

300

What is the definition of a derived unit?

A combination of units

400

What are the two common units for density?

g/cm³ and g/ml

500

1L = 1 ___ ³

dm

Temperature

100

At what temperature C does water boil

100

200

0 Celsius = _____ K

273.15K

300

What is the equation for celsius to Fahrenheit? 

9/5(C)+32

400

What is the Kelvin scale based off of, and what does absolute 0 represent?

The point where particles stop moving because temperature is a measure of particle movement 

500

Conver 68F to K

293.15K

Dimensional Analysis and Scientific Notation

100

Write 100 in scientific notation

1 x 10²

200

write .000568 in scientific notation

5.68x10^-4

300

Convert 5 feet to centimeters on the board using dimensional analysis

152.4

400

1 mg = ________ Mg

1x10^-9

500

convert 78 miles per hour to ft per second

114.4 ft/sec

Uncertainty in Data

100

True or false : accuracy is defined by how close your measurements are to one another

false

200

What is the equation for percent error?

measured-real / real x 100

300

If the standard is 3.8 is the following data set accurate?

3.4.    3.6   3.9   3.7

yes

400

If a graduated cylinder is in 1 mL increments, what decimal place should my volume reading go to?

tenths

500

If the density of aluminum is 2.7g/cm3 and you measure it to be 2.6g/cm3, what is your percent error?

3.7%

Significant Digits

100

True or false : non zero numbers are always significant 

true

200

How many significant digits does the number 40004 have?

5

300

0.00006 has how many significant digits?

1

400

5.5 x 2 = 

Report answer with the correct number of significant figures

10

500

5.8 - 3.33 = Report answer with correct sig figs

2.5