Baltimore County Public Schools


Sunday, July 20, 2008
All schools operating on normal posted schedule.
Baltimore County Public Schools BCPS Home

Office of Library Information ServicesonLINE
LIS Elementary School Research Model Middle School Research Model High School Research Model  onLINE
BCPS
VSC / BCPS Curriculum
Professional Library

Teacher Tips and Tools

Student Resources

Parent Resources

Reading Page

Databases / e-Books

SAILOR: MD Info Network

BCPL Public Library

BCPL Teacher Loan

Reference Desk

Search The Web

 

Web Resources Supporting the Maryland Voluntary State Curriculum


Science - Chemistry

Goal 4 Concepts of Chemistry | Goal 1 Skills and Processes

GOAL 4

Concepts of Chemistry

The student will demonstrate the ability to use scientific skills and processes (Core Learning Goal 1) to explain composition and interactions of matter in the world in which we live.
Expectation 4.1
The student will explain how the observation of the properties of matter forms the basis for understanding its structure and changes in its structure.
Indicators
4.1.1 The student will select and use appropriate devices to measure directly or indirectly the length, mass, volume, or temperature of a substance. AT LEAST: centigram balances, graduated cylinders & pipettes, metric rulers, thermometers & temperature probes

4.1.2 The student will gather and interpret data related to physical and chemical properties of matter such as density and percent composition. AT LEAST: constructing data tables, graphing linear relationship, appropriate technology to analyze data

4.1.3 The student will demonstrate how matter may be identified and classified in various ways based upon common properties. AT LEAST: states of matter, elements, compounds, mixtures, solutions, metals/nonmetals

  • The Chem Team: A tutorial for high school chemistry, includes broad subjects, including atomic structure, matter, chemical equations, etc.




  • ChemiCool: Site includes an interactive Periodic Table, Chemistry dictionary, Chemistry tools and additional resources.
Expectation 4.2
The student will explain that all matter has structure and the structure serves as the basis for the properties of and the changes in matter.

Indicators
4.2.1
The student will illustrate the structure of the atom and describe the characteristics of the particles found there. AT LEAST: protons, neutrons, & electrons, nucleus

4.2.2 The student will demonstrate that the arrangement and number of electrons determine the properties of an element and that these properties repeat in a periodic manner illustrated by their arrangement in the periodic table. AT LEAST: atomic number, mass number, valence electrons, chemical properties/families

4.2.3 The student will explain how atoms interact with other atoms through the transfer and sharing of electrons in the formation of chemical bonds. AT LEAST: characteristics of a neutral atom, formation of ions, ionic bonding, covalent bonding

4.2.4 The student will distinguish among metallic, ionic, and covalent solids in terms of observable properties. AT LEAST: solubility, melting point, boiling point, conductivity

4.2.5 The student will summarize that the properties of a molecule are determined by the number and types of atoms it contains and how they are arranged. AT LEAST: determine the types and numbers of atoms represented by a given formula, polar and nonpolar molecules

4.2.6 The student will explain why organic compounds have such diverse properties and give examples of how they have had an impact on society. AT LEAST: unique characteristics of carbon (tetrahedral structure), fuels and plastics

  • Atoms Around Us: Learn about structure, orbitals, ions, electrons, neutrons, etc., of atoms.

  • Atom Builder: An interactive site for student's to build a carbon atom out of elementary particles.
  • Creative Chemistry: An excellent resource for teachers and their students with loads of activities and concept builders.

  • Chem 4 Kids: A site designed to explain the basics of Chemistry in a clear, simple manner. Covers these topics: matter, atoms, elements, reactions, biochemistry, et cetera. Use the site map to locate more specific topics.


  • Regents Prep; Chemistry- Online Resources: Topics from Atomic Concepts to Nuclear Chemistry are linked to various web pages that support each concept.

  • Chemistry Tutor: Web pages to help students with Chemistry homework that explain concepts clearly and with examples.
Expectation 4.3
The student will analyze how the basic laws of thermodynamics apply to phase and chemical changes, and why accounting for all the energy associated with change is difficult.

Indicators
4.3.1 The student will illustrate that heat energy in a material consists of the ordered and disordered motions of its colliding particles. AT LEAST: phase changes

4.3.2 The student will explain why the interactions among particles involve a change in the energy system. AT LEAST: exothermic change, endothermic change, specific heat

4.3.3 The student will conclude that the conservation of mass and energy holds true for all systems, and that the total amount of energy in any closed system remains constant. AT LEAST: total amount of energy in any closed system remains constant

4.3.4 The student will describe the observed changes in pressure, volume, or temperature of a sample of gas in terms of the behavior of particles. AT LEAST: matter is made of small particles, particles are in constant motion, the collisions among particles are elastic collisions

  • The Chem Team: A tutorial that provides study resources in all standard topics for students in high school and Advanced Placement Chemistry.

  • Perdue University Bodner Research Group: Links to General and Organic Chemistry Help and Lecture Demonstrations (with video) on a braod range of topics.
  • Chemistry Resources: Specific topics for AP Chemistry and General Chemistry, including demonstrations, laboratory investigations, teacher tips, and miscellaneous. The site includes a lab manual with a wide range of experiments.

Expectation 4.4
The student will explain and demonstrate that matter undergoes transformations in such a way that the products have properties that are very different from those of the starting materials.

Indicators
4.4.1 The student will illustrate that substances can be represented by formulas. AT LEAST: know that symbols are used to represent elements, identify the atomic mass of the element, write formulas for compounds given the name of the compound, name binary compounds given the formula, calculate the molecular weight of a compound given the periodic table

4.4.2 The student will show that chemical reactions can be represented by symbolic or word equations that specify all reactants and products involved.

4.4.3 The student will use the law of conservation of mass and energy to balance simple equations. AT LEAST: use appropriate coefficients to balance a given symbolic equation.

4.4.4 The student will classify chemical reactions into general types based on the nature of the observed changes. AT LEAST: synthesis and decomposition, combustion, single and double displacement

4.4.5 The student will demonstrate that adjusting quantities of reactants will affect the amounts of products formed. AT LEAST: use the coefficients of a balanced equation to predict amounts of reactants and products

4.4.6 The student will describe a neutralization reaction. AT LEAST: properties of acids and bases, characteristics of weak and strong acids and bases, characteristics of salts, indicators, pH scale

  • Periodic Table of the Elements: A complete tutorial from Los Alamos National Laboratory's Chemistry Division explaining what the periodic table is, how to use it, naming new elements, Mendeleev's original table, and several other topics. This site is specifically geared to students of all ages.

  • Chemguide: A UK site with extensive information on topics from atomic structure and bonding to organic reaction mechanisms.



  • ChemTeam: A Tutorial for High School Chemistry; Acid / Base : This is a complete Chemistry site with a section dedicated to acids and bases, ph scale and other related topics.
Expectation 4.5
The student will investigate the impact of Chemistry on society.

Indicators
4.5.1 The student will investigate an issue such as hazardous waste disposal, the role of food additives, and the substitution of synthetic products for natural products.

4.5.2 The student will conclude that the starting materials of the chemical industry such as petroleum, are limited resources and decisions must be made about their wise consumption.

4.5.3 The student will recognize data that are biased.

4.5.4 The student will recognize that real problems have more than one solution and decisions to accept one solution over another are made on the basis of many issues.

4.5.5 The student will use tables, graphs, and charts to display data in making arguments and claims in both written and oral communication.

  • Agency for Toxic Substances and Disease Registry: A site dedicated to prevention of exposure to harmful substances from waste sites. The site also features a list of the top 20 most hazardous substances, a glossary of terms, a searchable database, current news and environmental health alerts.
  • Center for Science in the Public Interest (CSPI): Information on current research and findings in health and nutrition to promote well-being.
  • Virtual Chembook: From Elmhurst University, this site offers extensive resources for General Chemistry, Organic and Biochemistry, Demonstrations and Enviornmental Issues.
  • Chemicals, the Environment and You: "By focusing on the science of toxicology, the module seeks to introduce students to the ways scientists learn about and measure how chemicals can both help and harm human health." (NIH) Explore the elements of the periodic table. Learn about chemistry, and how dosages and environmental factors can affect health. Video segments are available.
  • Using Chart Wizard in Microsoft Excel: An online tutorial to help students design charts and tables to display data.
  • Create a Graph: Use any data to create a variety of different graphs, including bar, line, area, pie and XY.
Expectation 4.6
The student will show that connections exist both within the various fields of science and among science and other disciplines including mathematics, social studies, language arts, fine arts, and technology.

Indicators
4.6.1 The student will apply chemistry to the concepts of biology, physics, earth science, and environmental science.

4.6.2 The student will recognize mathematics as part of the scientific endeavor, comprehend the nature of mathematical thinking, and become familiar with key mathematical ideas and skills.

4.6.3 The student will investigate the role of chemistry in all areas of human endeavor and achievement.

  • Brain on Drugs: The Science of Drug Receptors: Our brains are full of drug-like chemicals affecting mood, vision, reproduction and addiction. Learn about the science of drug receptors.
  • Brookhaven National Laboratory: The U.S. Department of Energy's Brookhaven National Laboratory operates major research facilities for basic and applied research in physical, biomedical and environmental sciences, and in selected energy technologies.
  • Academy of Achievement Hall of Science: Read profiles, biographies, and interviews of the individuals who have shaped our world through their research or discoveries.
  • Beyond Discovery: Through a series of articles, learn how recent scientific discoveries have impacted our world.
  • Big Ideas: Through intimate and penetrating discussions about science, art, history, mathematics, physics, and cosmology, BIG IDEAS reveals the hearts and minds of today's most ardent theorists.
  • 4000 Years of Women in Science: Investigate the significant contributions of women to the field of science through photographs, biographical sketches, and highlights of their lives.
  • American Association for the Advancement of Science: A comprehensive site offering a wide range of information. The site includes a section called: Science & Policy, which examines how the progress of science impacts the well-being of people around the world.

GOAL 1

Skills and Processes

The student will demonstrate ways of thinking and acting inherent in the practice of science. The student will use the language and instruments of science to collect, organize, interpret, calculate, and communicate information.

Expectation 1.1
The student will explain why curiosity, honesty, openness, and skepticism are highly regarded in science.

Indicators
1.1.1 The student will recognize that real problems have more than one solution and decisions to accept one solution over another are made on the basis of many issues.

1.1.2 The student will modify or affirm scientific ideas according to accumulated evidence.

1.1.3 The student will critique arguments that are based on faulty, misleading data or on the incomplete use of numbers.

1.1.4 The student will recognize data that are biased

1.1.5 The student will explain factors that produce biased data.

  • Are You into Heavy Metals?: Design answers to the essential question, "How would the study of heavy metal contamination help us plan for future chemical spills?"
  • Brain Fingerprinting: Read about an emerging crime investigation tool called brain fingerprinting, and how this development in forensic science may change the criminal justice system.
  • Love Canal: Take a close look at the information and data on this site. Why would the government try to excuse what they found at Love Canal and protect industry by carefully wording what they found?
Expectation 1.2
The student will pose scientific questions and suggest investigative approaches to provide answers to questions.

Indicators
1.2.1 The student will identify meaningful, answerable scientific questions.

1.2.2 The student will pose meaningful, answerable scientific questions.(NTB)

1.2.3 The student will formulate a working hypothesis.

1.2.4 The student will test a working hypothesis.(NTB)

1.2.5 The student will select appropriate instruments and materials to conduct an investigation.

1.2.6 The student will identify appropriate methods for conducting an investigation, including independent and dependent variables, and affirm the need for proper controls in an experiment.

1.2.7 The student will use relationships discovered in the lab to explain phenomena observed outside the laboratory.

1.2.8 The student will defend the need for verifiable data.

  • Introduction to the Scientific Method: Step by step process for scientific inquiry.
  • What is Scientific Inquiry?: An online chapter from the text Conceptual Physics, by Paul G. Hewitt, 9th edition, explaining explanations and models of the Scientific Inquiry Process.
  • Scientific Inquiry and Technique: This page and the links at the left are designed to aid students in reviewing the following topics...scientific method, organization and analysis of data, lab safety, lab instrumentation, laboratory measurement, commonly used indicators, and dichotomous keys." (OSWEGO CITY SCHOOL DISTRICT) Learn how scientific experimentation works.
  • Experimental Science Projects:This site gives you the basics for doing a science project. It carefully defines the scientific method, shows you step-by-step how to use the method, and guides you in interpreting the project's results. The site also features an example project to let you practice what you have learned.
Expectation 1.3
The student will carry out scientific investigations effectively and employ the instruments, systems of measurement, and materials of science appropriately.

Indicators
1.3.1 The student will develop and demonstrate skills in using lab and field equipment to perform investigative techniques.(NTB)

1.3.2 The student will recognize safe laboratory procedures.

1.3.3 The student will demonstrate safe handling of the chemicals and materials of science.(NTB)

1.3.4 The student will learn the use of new instruments and equipment by following instructions in a manual or from oral direction.(NTB)

Expectation 1.4
The student will demonstrate that data analysis is a vital aspect of the process of scientific inquiry and communication.

Indicators
1.4.1 The student will organize data appropriately using techniques such as tables, graphs, and webs (for graphs: axes labeled with appropriate quantities, appropriate units on axes, axes labeled with appropriate intervals, independent and dependent variables on correct axes, appropriate title).

1.4.2 The student will analyze data to make predictions, decisions, or draw conclusions.

1.4.3 The student will use experimental data from various investigators to validate results.

1.4.4 The student will determine the relationships between quantities and develop the mathematical model that describes these relationships.

1.4.5 The student will check graphs to determine that they do not misrepresent results.

1.4.6 The student will describe trends revealed by data.

1.4.7 The student will determine the sources of error that limit the accuracy or precision of experimental results.

1.4.8 The student will use models and computer simulations to extend his/her understanding of scientific concepts.(NTB)

1.4.9 The student will use analyzed data to confirm, modify, or reject an hypothesis.

Expectation 1.5
The student will use appropriate methods for communicating in writing and orally the processes and results of scientific investigation.

Indicators
1.5.1 The student will demonstrate the ability to summarize data (measurements/observations).

1.5.2 The student will explain scientific concepts and processes through drawing, writing, and/or oral communication.

1.5.3 The student will use computers and/or graphing calculators to produce the visual materials (tables, graphs, and spreadsheets) that will be used for communicating results.(NTB)

1.5.4 The student will use tables, graphs, and displays to support arguments and claims in both written and oral communication.

1.5.5 The student will create and/or interpret graphics. (scale drawings, photographs, digital images, etc.)

1.5.6 The student will read a technical selection and interpret it appropriately.

1.5.7 The student will use, explain, and/or construct various classification systems.

1.5.8 The student will describe similarities and differences when explaining concepts and/or principles.

1.5.9 The student will communicate conclusions derived through a synthesis of ideas.

  • Excel 2000 Tutorial: Learn to develop spreadsheets, format cells, set formulas and functions and design elements in Microsoft 2000.

 

  • Create a Graph: Use any data to create a variety of different graphs, including bar, line, area, pie and XY.
Expectation 1.6
The student will use mathematical processes.

Indicatorsa
1.6.1 The student will use ratio and proportion in appropriate situations to solve problems.

1.6.2 The student will use computers and/or graphing calculators to perform calculations for tables, graphs, or spreadsheets.(NTB)

1.6.3 The student will express and/or compare small and large quantities using scientific notation and relative order of magnitude.

1.6.4 The student will manipulate quantities and/or numerical values in algebraic equations.

1.6.5 The student will judge the reasonableness of an answer.

  • Scientific Notation: an explanation of how to write numbers in scientific notation and expand numbers out of scientific notation, with practice exercises.
Expectation 1.7
The student will show that connections exist both within the various fields of science and among science and other disciplines including mathematics, social studies, language arts, fine arts, and technology.

Indicators
1.7.1 The student will apply the skills, processes, and concepts of biology, chemistry, physics, and earth science to societal issues.

1.7.2 The student will identify and evaluate the impact of scientific ideas and/or advancements in technology on society.

1.7.3 The student will describe the role of science in the development of literature, art, and music.(NTB)

1.7.4 The student will recognize mathematics as an integral part of the scientific process.(NTB)

1.7.5 The student will investigate career possibilities in the various areas of science.(NTB)

1.7.6 The student will explain how development of scientific knowledge leads to the creation of new technology and how technological advances allow for additional scientific accomplishments.

  • SIRS Knowledge Source; Leading Issues: Find articles, government documents, viewpoints and websites that address a particular issue.
  • Art History and Technology: A Brief History: This site chronicles the use of technology in art history studies. The history of photography, slides, reproductions and digital technology is presented.
  • GetTech.org: Part of the GetSmart.org site, offers information on careers in a broad range of fields, including science and technology. Get an overview of each career, a description of the work, job facts and educational requirements.
  • Science Careers .org: Get career advice in science, see a salary survey and calculator, advice on resume writing, and detailed descriptions of types of career paths for young scientists.
  • Academy of Achievement: Science and Exploration: The Gallery of Achievers focuses on "individuals who have shaped our times by their accomplishments" and who "can motivate and educate others by serving as inspiring role models."
  • Chemsoc Timeline: "The chemsoc timeline is a linear based exploration of key events in the history of science with a particular emphasis on chemistry. Timeline dates are accessed through a horizontally and vertically scrolling window and individual items are illustrated and linked to further information on each subject." (CHEMSOC)

 

Maryland State Voluntary Curriculum
Library Media Voluntary State Curriculum
BCPS Curriculum
Active Science Classroom
 
Focused on Quality; Committed to Excellence