Measurement, Math, and Laboratory Practices OBJECTIVES

By the end of this unit, you should know the following:

§ Know and practice Lab Safety

§ Know common laboratory equipment and proper use

§ Differentiate between qualitative and quantitative measurements

§ Differentiate between accuracy and precision

§ The Metric system

o What are it’s advantages?

o How to convert units (metric to English and vice versa) (convert between metric units – kilo to milli etc.)

§ Be able to perform basic Dimensional Analysis techniques (for conversions)

§ Scientific Notation

o When is it useful?

o Be able to convert to and from scientific notation

o Know how to use the exponent key on your calculator

§ Significant Figures – How to determine, and use in mathematical manipulations

WATER UNIT SECTION A OBJECTIVES

By the end of this section, you should know the following:

§ The Water Cycle

§ Distillation – how it works, what it does

§ Regional Water usage

§ Direct vs. Indirect water usage

§ Distribution of Earth’s water supply (salt and fresh water)

WATER UNIT SECTION B OBJECTIVES

By the end of this section, you should know the following:

§ Identify Physical vs. Chemical Properties

§ Determine if a Physical or Chemical change has occurred

§ Density – why some things float

§ Physical / Chemical Properties of water that allow for life on this planet

o Boiling Point, Freezing Point

o Surface Tension

o Density

§ Classification of matter

o Mixtures vs. pure Substances

o Solutions, Colloids, Suspensions

o Homogeneous vs. Heterogeneous

§ Elements (name and Symbols) 1-36, and Pb, Hg, Au, Ag

§ Difference between atoms, molecules, compounds

§ Be able to perform an atom inventory on a chemical equation to tell the number of atoms of each element in each molecule

§ Where you find products and reactants in chemical equations

§ The difference between ionic and covalent bonds, and how you can determine this by the position of the elements on the periodic table

§ Cations and Anions

§ What is a precipitate

§ The purpose of a reference and a control in an experiment

WATER UNIT SECTION C OBJECTIVES

§ How to get information from a solubility chart

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