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This comprehensive high school science course gives students a solid basis to move on to future studies. The course provides an in-depth survey of all key
areas, including atomic structure, chemical bonding and reactions, solutions, stoichiometry, thermochemistry, organic chemistry, and nuclear chemistry. The
course includes direct online instruction and related assessments, used with a problem-solving book. This is the second semester of SCI303.
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This comprehensive course gives students a solid basis to move on to future studies. The course provides an in-depth survey of all key areas, including atomic structure, chemical bonding and reactions, solutions, stoichiometry, thermochemistry, organic chemistry, and nuclear chemistry. The course includes direct online instruction, virtual laboratories, and related assessments, used with a problem-solving book. This is the second semester of SCI303.
Students explore chemistry as one of the sciences and confront concepts of matter, energy, the metric system, and scientific methods. Students examine the relationship of matter and energy, including learning about classification of matter. To prepare students for solving chemistry problems throughout the course, students learn about the metric system, significant figures, and the scientific method as applied in chemistry research.
This unit introduces students to the atom and examines changing perspectives of the nature of the atom throughout history. In following a historical story, students learn about the parts of the atom and its properties such as atomic number, atomic mass, atomic orbitals, and electron arrangement. To ensure the most current understanding of the atom, students examine the quantum theory of the atom and its use in understanding atomic spectra. This unit prepares students for the periodic table.
With a basis in matter and the structure of the atom, students now turn their attention to the organization of atoms and elements and their graphic representation as a periodic table. The properties of the periodic table are defined, and then students examine trends that are brought out by the arrangement of atoms according to atomic number. Students study elements by learning about metals and other classes of elements.
Atoms form bonds. In the first part of this unit, students learn about different types of bonds, principally ionic and covalent bonds. This unit focuses on recognizing why and how bonds form and the naming of the substances involved. Included in this unit are examinations of metallic bonding and of intermolecular forces that result in hydrogen bonds.
Bonding is now firmly established, so students can progress to learning how bonds break and form in chemical reactions. Different types of chemical reactions are explored in both direct instruction and virtual laboratory experiences. Students learn the fundamentals of products and reactions and learn to balance equations to show that mass is conserved as change happens in these reactions.
Now that students understand the basics of chemical reactions and the ability to balance chemical equations, it is possible for them to apply this knowledge to real-world situations. Stoichiometry is the study of determining the yields of chemical reactions, given the masses of some parts of the chemical equation. Mastering this allows students to solve problems similar to those that confront chemists in industrial production.
The study of gases, liquids, and solids not only tells us of their properties, but gives us a strong basis for understanding how matter is organized and how it behaves. Students closely examine how a volume of gas behaves under changing conditions of pressure and temperature. Students also investigate some of the properties of liquids and solids, and relate all three states of matter using phase diagrams.
Much of chemistry involves understanding solutions, in which a solute is placed in a solvent. The properties of the resulting solution can be understood by examining the interactions between the parts of a solution. Students learn the various ways to describe the concentration of solution and how to separate the component substances.
Most students entering chemistry have some experience with acids and bases from everyday life. In this unit, after examining the properties of acids and bases, students analyze different definitions of acids and bases that have been developed since the time of Arrhenius. They learn how to solve problems dealing with the strength of acids and bases. Students gain practical experience working with acids and bases in a virtual laboratory setting, including doing titrations.
A vital part of the study of matter is learning about the energy associated with both chemical and physical changes. The study of energy in chemical systems is called chemical thermodynamics. It involves understanding that energy is conserved during chemical reactions and also when substances change from gas to liquids to solids, and back again. Overarching all this content is the law of conservation of energy.
In the previous unit, students developed a basic understanding of the role of energy in chemistry and how it applied to certain processes. In this unit, students examine the role of energy in two important chemical phenomena: reaction rates and system equilibria. Based on an understanding of collision theory, students develop a "big idea" understanding of why chemical reactions do and do not occur.
Reaction Rates and Energy of Activation
In this unit, students conduct a systematic study of the electrochemical processes. They learn the basics of the conversion of electrical energy to chemical energy and vice versa. They examine voltaic cells, batteries and electrolytic cells.
As students move through this curriculum, they learn about chemicals and their relationship to living things. In this unit, they conduct a systematic study of carbon-based compounds as they study organic chemistry and biochemistry. First, they confront some types of organic compounds and learn about schemes for naming them. Students then turn their attention to biochemistry, including an examination of carbohydrates, fats, and proteins.
The reactions that form the basis of the study of classical chemistry are those involving relationships between electrons of reactants and products. Nuclear chemistry, however, is a branch of chemistry that deals with the atomic nucleus, its particles, and forces. Students learn about radioactivity, transmutation of elements, and aspects of nuclear fission and fusion. In addition, students become aware of the uses of nuclear chemistry in the modern world.
Many K12 courses utilize physical materials in addition to the online content. These materials may include the following.
K12 Standard Kits
STANDARD kits contain K12 course materials that are required for completion of the course. These kits include K12 authored materials and/or difficult to procure materials that a student needs to complete a course. Printed reference guides are not included in Standard kits.
CONSUMABLE kits contain only those materials from the standard kit that are intended for one time use. Families who purchase a Standard kit for Child A could later purchase a Consumable kit for Child B to complete the same course.
Offered for added convenience, ADDITIONAL kits contain easily obtained materials needed for the course which a family may already have in their home.
Learning Coach and/or Student Reference Guides are available for purchase with some courses. Electronic versions of these reference guides are also available within digital courses.
Courses with a teacher have designated start dates throughout Fall, Spring, and Summer. Full-year courses last 10 months and semester courses last 4 months. Courses are taught by teachers in K12 International Academy. For details on start dates, click here.
To use this course, you'll need a computer with an Internet connection. Some courses require additional free software programs, which you can download from the Internet.
CPU: 1.8 GHz or faster processor (or equivalent)
RAM: 1GB of RAM
Browser: Microsoft Internet Explorer 9.0 or higher, Mozilla Firefox 10.0 versions or higher, Chrome 17.0 or higher
CPU: PowerPC G4 1 GHz or faster processor; Intel Core Duo 1.83 GHz or faster processor
Browser: Firefox 10.0 versions or higher, Chrome 17.0 or higher (Safari is not supported!)
It is highly recommended that a broadband connection be used instead of dial up.
(excludes shipping, other exclusions apply)
Chemistry, Comprehensive Level, Part 1 (SCI303A)
Honors Chemistry, Part 2 (SCI304B)