Comal Independent School District Chemistry Scope and Sequence First Quarter Assurances
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1 Comal Independent School District Chemistry Scope and Sequence First Quarter Assurances The student will know the location and proper usage of all laboratory safety equipment, i.e. fire extinguishers, fire blankets, first aid kits, eye wash stations, showers, chemical spill kits, goggles, aprons, gloves, clothing, and hair ties. 1A The student will know the names and uses of common laboratory tools and equipment, to include proper reading of a buret, thermometer, and graduated cylinders. 1A, 2A The student will know how to read a MSDS and proper disposal of chemicals. 1B The student will be able to design an experiment. 2A The student will be able to interpret an experimental design and come up with logical questions, hypothesis and valid conclusions for the experiment, as well as selecting the appropriate equipment and technology to test the hypothesis. 3A, 2E The student will evaluate raw experimental data and organize it into an appropriately labeled graph or chart so that inferences can be made and trends predicted. 2C The student will make informed daily decisions based on scientific problem solving, such as how to choose a healthy cereal. 3B The student will be able to determine the digit that is estimated in any measurement. 2C The student will be able to calculate the density of an item given scientific data. 2B The student will determine the order that substances would layer in a density column, given their densities in numbers or relative to each other, as well as be able to tell whether it would sink or float in water. 2A, 4A The student will be able to convert between Celsius, Fahrenheit, and Kelvin temperature scales. 2C The student will be able to distinguish between units that measure length, volume, and mass. 2B The student will know the differences in solids, liquids, and gases in terms of kinetic energy, molecule spacing, ability to be compressed, and how the shape changes based on container. 4B The student will know the common physical properties of matter to include color, smell, freezing point, boiling point, melting point, opacity, viscosity and density. 4A The student will be able to identify physical changes in a substance, to include melting, freezing, condensing, breaking, crushing, cutting, and bending. 5A The student will distinguish between homogeneous and heterogeneous mixtures. 4C The student will categorize matter as a substance or a mixture. 4C The student will explain the difference between an element and a compound. 4C The student will differentiate between physical and chemical changes in matter. 4C The student will be able to distinguish between quantitative and qualitative measurements. 2B The student will be able to distinguish among accuracy, precision, and error. 2B The student will be able to distinguish between protons, electrons, and neutrons in terms of relative mass and charge. 6A The student will describe the structure of an atom, including the location of protons, electrons, and neutrons with respect to the nucleus. 6A The student will understand that the atomic number = protons, which determines the element s identity. 6A The student will use the periodic table to determine the charge of an ion. 6A Page 1 of 5
2 Chemistry Scope and Sequence First Quarter (Process Skills 1 A-B, 2 A-E, & 3A-E will be taught and integrated with concepts throughout the year) Concept Foundational Topics TEKS Statement Specificity TAKS Obj. Resources Textbook, Technology, Other Core Labs, Vocabulary & Activities Time Frame Start up Day 1 Period Lab Safety, Scientific Method, Laboratory Equipment The student conducts field and laboratory investigations using safe, environmentally appropriate, and ethical practices. The student uses scientific methods during field and laboratory investigations. (1A) Demonstrate safe practices during field and laboratory investigations. (1B) Make wise choices in the use and conservation of resources and the disposal or recycling of materials. (2A) Plan and implement investigative procedures including asking questions, formulating testable hypotheses, and selecting equipment and technology. (2C) Express and manipulate chemical quantities using scientific conventions and mathematical procedures such as dimensional analysis, scientific notation, and significant figures. (2D) Organize, analyze, evaluate, make inferences, and predict trends from data. (2E) Communicate valid conclusions. Students will understand and practice correct laboratory safety procedures and return parent signed lab safety contract. Students will implement the scientific method. Students will identify and correctly use common laboratory instruments. 1 TB: pgs and OT: Flinn Catalog 2007 pgs and Overhead Transparencies: #1 Laboratory Safety Rules and Contracts Practical Lab Test Scientific Measurements The student uses scientific methods during field and laboratory investigations. (2B) Collect data and make measurements with precision. (2C) Express and manipulate chemical quantities using scientific conventions and mathematical procedures such as dimensional analysis, scientific notation, and significant figures. Students will understand number usage and meaning in science. Students will be able to calculate and apply density. Dimensional analysis will be reserved for later. 1 TB: pgs , 54-61, 63-67, 68-71, 74-75, 84-88, OT: Overhead Transparencies: #4 Lab to include finding density of objects using mass and volume Density, mass, matter, volume. Page 2 of 5
3 Physical and Chemical Properties The student knows the characteristics of matter. (4A) Differentiate between physical and chemical properties of matter. (4B) Analyze examples of solids, liquids, and gases to determine their compressibility, structure, motion of particles, shape, and volume. (4C) Investigate and identify properties of mixtures and pure substances. (5A) Identify changes in matter, determine the nature of the change, and examine the forms of energy involved. (11A) Identify common elements and compounds using scientific nomenclature. (11B) Demonstrate the use of symbols, formulas, and equations in describing interactions of matter such as chemical and nuclear reactions. between physical and chemical changes in matter. Students will investigate and identify the law of conservation of mass. Students will classify samples of matter from everyday life as being elements, compounds, or mixtures. 4 TB: pgs , 36-38, OT: Overhead Transparencies: #2-3 Lab to include production and differentiation of both physical and chemical changes Physical change, chemical change, melting point, mixture, viscosity 10 Periods Periodic Table and Subatomic Particles atomic structure is determined by nuclear composition, allowable electron cloud, and subatomic particles. (6A) Describe the existence and properties of subatomic particles. (6B) Analyze stable and unstable isotopes of an element to determine the relationship between the isotope's stability and its application. (6C) Summarize the historical development of the periodic table to understand the concept of periodicity. between an atoms subatomic particles and each ones purpose. Students will explain isotopes and average atomic mass, calculation of atomic mass will be added later. 4 TB: pgs , OT: Overhead Transparencies: #5,6 Lab to include calculation of average atomic mass. Atom, proton, neutron, electron, nucleus, isotope, octet, periodic table, valence electrons, atomic mass, atomic number, elements, chemical symbol, groups: metals, nonmetals, metalloids 8 Periods Students will identify the major groups, periods, and families of the periodic table. Page 3 of 5
4 Electron Configuration The student uses critical thinking and scientific problem solving to make informed decisions. atomic structure is determined by nuclear composition, allowable electron cloud, and subatomic particles. The student knows how atoms form bonds to acquire a stable arrangement of electrons. (3A) Analyze, review, and critique scientific explanations, including hypotheses and theories, as to their strengths and weaknesses using scientific evidence and information. (3E) Research and describe the history of chemistry and contributions of scientists. (6A) Describe the existence and properties of subatomic particles. (8A) Identify characteristics of atoms involved in chemical bonding. Students will research the development of the atomic theory. Students will determine the electron configurations of different elements and how that relates to bonding. 4 TB: pgs , 391, Lab to include diagramming electron configurations. 4 Periods Ionic and Molecular Compound Properties The student knows the characteristics of matter. The student knows how atoms form bonds to acquire a stable arrangement of electrons. (4D) Describe the physical and chemical characteristics of an element using the periodic table and make inferences about its chemical behavior. (8A) Identify characteristics of atoms involved in chemical bonding. (8B) Investigate and compare the physical and chemical properties of ionic and covalent compounds. between ionic and molecular compounds. Students will use the periodic table to understand cations and anions. 4 TB: pgs , , OT: Overhead Transparencies: #7,8,9 Lab to include attractive and repulsive forces (properties of molecular compounds). Lab to include discovery of ionic properties (conductivity, malleability). Ion, molecule, polar, nonpolar Page 4 of 5
5 Testing Time for Unit Exams 3 Periods TAKS Review changes in matter affect everyday life. The student knows relationships exist between properties of matter and its components. (I.8A) Distinguish between physical and chemical changes in matter such as oxidation, digestion, changes in states and stages in the rock cycle. (I.7E) Classify samples of matter from everyday life as being elements, compounds or mixtures. 4 OT: CISD TAKS Reviews: Classifying Elements Physical vs. Chemical Change Atomic Structure Classifying elements worksheet & questions Physical vs. Chemical Change worksheet & questions Building atoms Incorporated as warm-ups in content above. (I.7D) Relate the chemical behavior of an element including bonding to its placement on the periodic table. 1 st Quarter Curriculum Based Assessment 1 Period Page 5 of 5
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