Unit 1 Test Objectives
Chapter Covered: 1, 3 and 4
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
o
Define chemistry and differentiate among its traditional divisions
Describe the steps of the scientific method
Distinguish between a hypothesis, a theory and a law
Distinguish between quantitative and qualitative measurements
Convert numbers to and from scientific notation
Distinguish between accuracy & precision
Understand the various forms and error and how to calculate it (percent error)
Use the Atlantic/Pacific rule to identify significant and insignificant digits.
Be able to read a measurement scale and report measurements to the proper
number of decimal places
Reflect significant figures in calculations properly
Construct conversion factors from equivalent measurements
Use unit conversion factors to commutate single and multistep conversions with
dimensional analysis
Know the metric prefixes and their meanings (see pg. three of your chemistry
handbook)
Be able to perform basic metric conversions using dimensional analysis
Understand SI: what is it, what is its purpose and what units does it use for what
Perform temperature conversions: C, F, K
Distinguish between mass and weight
Know the formula for density and how to use it to solve for any of the three
factors
Calculate the density of an object from experimental data