Grade 8 Science Curriculum (Alberta Education) Unit A: Mix and Flow of Matter Unit B: Cells and Systems WHMIS symbols and nomenclature pure substances, mixtures and solutions solute and solvent concentration solubility and saturation points particle model of matter properties of fluids viscosity and flow rate mass, volume, density pressure buoyancy Unit C: Light and Optical Systems microscopes and telescopes contribution of technologies to scientific development transmission and absorption of light sources of light reflection and refraction images vision and lenses imaging technologies organisms cells organs tissues structure and function systems response to stimuli health and environmental factors Unit D: Mechanical Systems design and function systems and subsystems transmission of force and motion simple machines mechanical advantage, speed ratios and force ratios hydraulics and pneumatics measurement of work in joules Science 9 Curriculum Key Concepts (Alberta Education) Unit A: Biological Diversity Unit B: Matter and Chemical Change biological diversity species diversity within species habitat diversity niches populations asexual and sexual reproduction inheritance natural and artificial selection of genetic Characteristics cell division—includes binary fission and formation of sex cells chromosomes, genes and DNA Unit C: Environmental Chemistry Unit D: Electrical Principles and Technologies chemicals essential to life substrates and nutrients air and water quality organic and inorganic material acids and bases ingestion and absorption of materials concentration and dispersal evidence of toxicity stability and biodegradability hazards, probabilities and risk assessment uncertainties in environmental monitoring and in assessing toxicity and risk Unit E: Space Exploration technologies for space exploration and observation reference frames for describing position and motion in space satellites and orbits distribution of matter through space composition and characteristics of bodies in space life-support technologies communication technologies WHMIS and safety-chemical nomenclature (introductory treatment) endothermic and exothermic reactions reactants and products conservation of mass factors affecting reaction rates periodic table elements, compounds and atomic theory substances and properties forms of energy energy transformation generation of electrical energy electric charge and current circuits electrical energy storage renewable and nonrenewable energy measures and units of electrical energy electrical resistance and Ohm’s law energy transmission Science 10 Curriculum Key Concepts (Alberta Education) Unit A: Energy and Matter in Chemical Change Unit B: Energy Flow in Technological Systems International Union of Pure and Applied Chemistry (IUPAC) nomenclature, ionic and molecular compounds, acids and bases how chemical substances meet human needs role and need for classification of chemical change writing and balancing equations WHMIS and safety practices evidence of chemical change law of conservation of mass and the mole concept forms and interconversions of energy one-dimensional motion design and function of technological systems and devices involving potential and kinetic energy and thermal energy conversions technological innovations of engines that led to the development of the concept of energy mechanical energy conversions and work efficient use of energy, and the environmental impact of inefficient use of energy Unit C: Cycling of Matter in Living Systems Unit D: Energy Flow in Global Systems microscopy and the emergence of cell theory cell specialization in multicellular organisms; i.e., plants use of explanatory and visual models in science mechanisms of transport, gas exchange, and environmental response in multicellular organisms; i.e., plants cellular structures and functions, and technological applications relationship between cell size and shape, and surface area to volume ratio active and passive transport of matter social and environmental contexts for investigating climate change solar radiation budget relationship between biomes, solar energy and climate climate zones, transfer of thermal energy by the hydrosphere and the atmosphere hydrologic cycle and phase change human activity and climate change Science 14 Curriculum Key Concepts (Alberta Education) Unit A: Investigating Properties of Matter Unit B: Understanding Energy Transfer Technologies safe handling, storage and disposal of household chemicals solutions and solubility of household substances dilution and concentration preparing solutions elements and compounds (WHMIS) and consumer product symbols the periodic table: metals, nonmetals and metalloids separating mixtures acids and bases corrosion and rusting cooling and heating systems based on radiation, convection, conduction methods to reduce the loss of heat from buildings, our bodies and constructed devices specific heat capacity energy transfer (work), force and distance particle model of matter, temperature, thermal energy and heat simple machines as force or distance multipliers that transfer energy protection against thermal energy transfer reducing reliance on nonrenewable energy sources Unit C: Investigating Matter and Energy in Living Systems Unit D: Investigating Matter and Energy in the Environment structures and functions of, and the relationship between, the digestive and circulatory systems diets and human nutritional needs microscopy, structure and function of plant and animal cell parts, and the cell theory capture, storage and use of energy by living organisms photosynthesis and respiration social influences on human dietary-induced disorders and circulatory diseases life functions common to living systems functions of cells in organs and organ systems role of technology to monitor life functions role of living organisms in cycling matter food chains, food webs and energy pyramids recycling of human-generated wastes impact of modern agricultural technologies field study of ecosystems factors affecting population growth flow of energy through the biosphere maintaining equilibrium in the biosphere biodegradable materials biotic and abiotic factors and ecosystems human impact on ecosystems Science 20 Curriculum Key Concepts (Alberta Education) Unit B: Changes in Motion Unit A: Chemical Changes electrolytes nonelectrolytes concentration oxidation/anode reduction/cathode spontaneity applications of oxidation-reduction reactions voltaic cell electrolytic cell naming and drawing structural formulas for saturated/unsaturated hydrocarbons (containing up to eight carbon atoms in the parent chain) hydrocarbon reactions important to industry in Alberta displacement, time, velocity, acceleration conservation of momentum in one dimension impulse and force Newton’s laws of motion application of laws of motion and principles of momentum in the design of sports equipment and transportation safety device Unit C: The Changing Earth Unit D: Changes in Living Systems Earth’s internal structure theory of plate tectonics energy transmission in earthquakes fossilization, radiometric dating and half-life evidence of variations in Earth’s climate major characteristics and life forms of past eras gradualism compared to punctuated equilibrium mass extinctions biotic and abiotic factors population size primary and secondary succession habitat destruction, reclamation species diversity human interventions in biogeochemical (nitrogen, carbon, water) cycles autotrophs, heterotrophs, food chains, food webs trophic levels, biomass, energy and pyramids human population growth, biodiversity and carrying capacity adaptation of organisms, natural selection evidence for the theory of evolution Science 24 Curriculum Key Concepts (Alberta Education) Unit A: Applications of Matter and Chemical Unit B: Understanding Common Energy Change Conversion Systems commonly used materials, and chemical change in everyday life evidence of chemical change writing and interpreting word and chemical equations describing and classifying combustion and rusting reactions, acid–base reactions, and simple composition and decomposition reactions environmental effects of chemical change Technologies conservation of mass in chemical change chemical reactions at home and in the workplace energy transformation and conservation electrical household devices as converters of energy, and energy consumption rate of energy transfer and efficiency formation, extraction and combustion of fossil fuels generation and distribution of electricity chemical and energy changes in chemical and biological systems living organisms as energy converters fossil fuel based technologies and quality of life for future generations Unit C: Disease Defense and Human Health Unit D: Motion, Change and Transportation Safety social impact on human health role of environmental factors (toxins, pathogens) and genetic factors on human health human actions to reduce contamination by pathogens natural and artificial immunization role of the human body’s defense systems communicable and non-communicable diseases impact of recent genetic research on societal decision making principles of simple inheritance reaction time, speed and safe following distance collisions and conservation of momentum transportation safety regulations graphical and mathematical analysis of the relationships among speed, distance and time effects of lengthening and shortening duration of collision safety systems designed to reduce impact of collisions Science 30 Curriculum Key Concepts (Alberta Education) Unit A: Living Systems Respond to Their Unit B: Chemistry and the Environment Environment structure and function of the circulatory system immune response and defense mechanisms to pathogens cardiovascular health principles of Mendelian genetics composition of human blood tissue and the role of blood deoxyribonucleic acid DNA and protein synthesis chromosomal behavior mutations and gene therapy acids and bases stoichiometry and titration of strong monoprotic acids and strong monoprotic bases buffers and buffering capacity sources, uses and environmental effects of organic compounds pH and hydronium ion concentration sources and environmental impact of SOx, NOx, acid deposition and photochemical smog biomagnification and persistence of pollutants Unit C: Electromagnetic Energy Unit D: Energy and the Environment devices based on electric and magnetic fields (electric motors, generators and transformers) the electromagnetic spectrum, its properties and its effects on living tissue technologies used to study the structure and history of the universe basic properties of field theory for the comparison of gravitational, electric and magnetic fields principles of field theory and applications in technology circuitry global energy consumption and its impact on the biosphere sources of renewable energy conversion of solar energy, fossil fuels and wind and water power into thermal and electrical energy heats of formation and Hess’s law balancing energy use with sustainable development fission and fusion, nuclear change nuclear, wind, hydro, biomass, tidal, solar, fuel cell and geothermal alternative energy technologies Biology 20 Curriculum Key Concepts (Alberta Education) Unit A: Energy and Matter Exchange in the Unit B: Ecosystems and Population Change Biosphere biosphere trophic levels food chains, food webs and ecological pyramids (energy, biomass and numbers) equilibrium water properties carbon, nitrogen, oxygen and phosphorus cycles Unit C: Photosynthesis and Cellular Respiration Unit D: Human Systems structure and function of major systems: respiratory, digestive, excretory, circulatory and motor digestive enzymes gas exchange chemical nature of carbohydrates, proteins, lipids chemical and physical digestion renal function composition of blood immune response muscle contraction absorption of light by pigments light-dependent and independent reactions Krebs cycle Glycolysis electron transport systems aerobic and anaerobic respiration ecosystem niche biotic/abiotic characteristics evidence for evolution limiting factors binomial nomenclature adaptation and variation population natural selection species Biology 30 Curriculum Key Concepts (Alberta Education) Unit A: Nervous and Endocrine Systems Unit B: Reproduction and Development neuron reflex arcs sensory receptors nerve impulse transmission central and peripheral nervous systems endocrine and nervous system interactions endocrine system and hormones homeostasis and feedback systems male and female reproductive systems reproductive hormones embryonic and fetal development parturition lactation reproductive technologies Unit C: Cell Division, Genetics and Molecular Biology Unit D: Population and Community Dynamics cell cycle karyotype probability polygenic and multiple allelic traits replication mutation mitosis and meiosis alternation of generations Mendel’s laws of heredity monohybrid, dihybrid and sex-linked inheritance transcription genetic engineering chromosome number gene linkage model of DNA incomplete dominance and co-dominance translation Hardy-Weinberg principle gene pool succession determiners of population size: natality, mortality, immigration, emigration symbiotic relationships and other interactions natural selection r- and K-selected reproductive strategies population growth rate and population growth curves Chemistry 20 Curriculum Key Concepts (Alberta Education) Unit A: The Diversity of Matter and Chemical Unit B: Gases Bonding chemical bond ionic bond covalent bond polarity electronegativity intramolecular and intermolecular forces hydrogen bond Lewis structures valence electron valence-shell electron-pair repulsion (VSEPR) theory electron dot diagrams Unit C: Matter as Solutions, Acids and Bases Unit D: Quantitative Relationships in Chemical Changes homogeneous mixtures electrolyte/nonelectrolyte monoprotic/polyprotic acid dilution indicators Arrhenius (modified) theory of acids and bases hydroxide ion/pOH solubility concentration monoprotic/polyprotic base strong acids and bases weak acids and bases hydronium ion/pH neutralization Celsius and Kelvin temperature scales standard temperature and pressure (STP) law of combining volumes standard ambient temperature and pressure (SATP) ideal gas law absolute zero real and ideal gases Charles’s law Boyle’s law chemical reaction equations net ionic equations limiting and excess reagents actual, theoretical and percent yield spectator ions precipitation reaction stoichiometry titration curves for strong acids and bases titration end point equivalence point Chemistry 30 Curriculum Key Concepts (Alberta Education) Unit A: Thermochemical Changes Unit B: Electrochemical Changes enthalpy of formation enthalpy of reaction fuels and energy efficiency activation energy ΔH notation molar enthalpy energy diagrams Hess’ law Catalysts calorimetry oxidation-reduction (redox) reaction oxidation number disproportionation standard reduction potential standard cell potential Faraday’s law oxidizing agent reducing agent half-reaction spontaneity electrolytic cell oxidation reduction voltaic cell electrolysis corrosion Unit C: Chemical Changes of Organic Compounds Unit D: Chemical Equilibrium Focusing on AcidBase Systems aliphatic and aromatic compounds saturated/unsaturated hydrocarbons combustion reactions polymerization functional groups identifying alcohols, carboxylic acids, esters and halogenated hydrocarbons organic compounds naming organic compounds addition, substitution esterification elimination structural formulas structural isomers monomers polymers chemical equilibrium systems Brønsted–Lowry acids and bases conjugate pairs of acids and bases equilibrium law expression reversibility of reactions Le Chatelier’s principle amphiprotic substances acid-base equilibrium titration curves buffers equilibrium constants Kc , Kw , Ka , Kb indicators Physics 20 Curriculum Key Concepts (Alberta Education) Unit A: Kinematics Unit B: Dynamics scalar quantities vector quantities uniform motion uniformly accelerated motion two-dimensional motion Newton’s laws of motion static and kinetic friction gravitational field Newton’s law of universal gravitation Inertia vector addition gravitational force Unit C: Circular Motion, Work and Energy Unit D: Oscillatory Motion and Mechanical Waves uniform circular motion conservation of mechanical energy mechanical energy work-energy theorem planetary and satellite motion power Kepler’s laws isolated systems oscillatory motion simple harmonic motion oscillating spring, pendulum mechanical waves—longitudinal and transverse restoring force mechanical resonance acoustic resonance universal wave equation reflection interference Doppler effect Physics 30 Curriculum Key Concepts (Alberta Education) Unit A: Momentum and Impulse Unit B: Forces and Fields impulse momentum Newton’s laws of motion elastic collisions inelastic collisions electric charge interaction of charges with electric and magnetic fields vector fields electric field electric potential difference conservation of charge charge quantization—Millikan’s experiment magnetic field Coulomb’s law electromagnetic induction Unit C: Electromagnetic Radiation Unit D: Atomic Physics speed of EMR propagation of EMR total internal reflection photoelectric effect reflection refraction Compton effect Diffraction Interference Snell’s law charge-to-mass ratio (Thomson’s experiment) classical model of the atom (Rutherford, Bohr) energy levels (states) de Broglie hypothesis Standard Model of matter spectra: continuous, line emission and line absorption quantum mechanical model half-life nuclear decay nuclear reactions