Staar Chemistry Quick Reference Guide (Page 2 of 2) in pdf

Process Skills

Embedded in at least 40% of the questions

demonstrate safe practices during laboratory and field

Reporting Category 5

investigations, including the appropriate use of safety

C.1A

Solutions

showers, eyewash fountains, safety goggles, and fire

extinguishers

(9 questions)

know specific hazards of chemical substances such as

describe the unique role of water in

C.10A

C.1B

flammability, corrosiveness, and radioactivity as

chemical and biological systems

summarized on the Material Safety Data Sheets (MSDS)

develop and use general rules

demonstrate an understanding of the use and

C.10B

regarding solubility through

C.1C

conservation of resources and the proper disposal or

investigations with aqueous solutions

recycling of materials

calculate the concentration of solutions

C.10C

know the definition of science and understand that it has

in units of molarity

C.2A

limitations, as specified in subsection (b)(2) of this section

use molarity to calculate the dilutions

C.10D

know that scientific hypotheses are tentative and testable

of solutions

statements that must be capable of being supported or

distinguish between types of solutions

C.2B

not supported by observational evidence. Hypotheses of

such as electrolytes and

durable explanatory power which have been tested over a

C.10E

nonelectrolytes and unsaturated,

wide variety of conditions are incorporated into theories

saturated, and supersaturated

know that scientific theories are based on natural and

solutions

physical phenomena and are capable of being tested by

investigate factors that influence

multiple independent researchers. Unlike hypotheses,

C.2C

solubilities and rates of dissolution

C.10F

scientific theories are well-established and highly-reliable

such as temperature, agitation, and

explanations, but may be subject to change as new areas

surface area

of science and new technologies are developed

define acids and bases and distinguish

distinguish between scientific hypotheses and scientific

C.2D

between Arrhenius and Bronsted-

C.10G

theories

Lowry definitions and predict products

plan and implement investigative procedures, including

in acid-base reactions that form water

asking questions, formulating testable hypotheses, and

understand and differentiate among

selecting equipment and technology, including graphing

acid-base reactions, precipitation

C.10H

calculators, computers and probes, sufficient scientific

C.2E

reactions, and oxidation-reduction

glassware such as beakers, Erlenmeyer flasks, pipettes,

reactions

graduated cylinders, volumetric flasks, safety goggles,

define pH and use the hydrogen or

and burettes, electronic balances, and an adequate supply

C.10I

hydroxide ion concentrations to

of consumable chemicals

calculate the pH of a solution

collect data and make measurements with accuracy and

C.2F

distinguish between degrees of

precision

C.10J

dissociation for strong and weak acids

express and manipulate chemical quantities using

and bases

scientific conventions and mathematical procedures,

C.2G

including dimensional analysis, scientific notation, and

significant figures

organize, analyze, evaluate, make inferences, and predict

C.2H

trends from data

Number of

communicate valid conclusions supported by the data

Number of Questions

through methods such as lab reports, labeled drawings,

Standards

C.2I

graphs, journals, summaries, oral reports, and

Readiness

technology-based reports

60 – 65%

31 – 34

Standards

in all fields of science, analyze, evaluate, and critique

Supporting

scientific explanations by using empirical evidence, logical

35 – 40%

18 – 21

reasoning, and experimental and observational testing,

Standards

C.3A

including examining all sides of scientific evidence of

those scientific explanations, so as to encourage critical

thinking by the student

47 Multiple Choice and 5 Griddable

communicate and apply scientific information extracted

from various sources such as current events, news

C.3B

reports, published journal articles, and marketing

materials

draw inferences based on data related to promotional

C.3C

materials for products and services

evaluate the impact of research on scientific thought,

C.3D

society, and the environment

describe the connection between chemistry and future

C.3E

careers

research and describe the history of chemistry and

C.3F

contributions of scientists

Staar Chemistry Quick Reference Guide Page 2

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