South Carolina 8 GRADE SCIENCE 2011-2012 Pacing Guide th Unit Days Introduction (Day 1) 1 Day Scientific Inquiry (Days 2-10) 9 Days Standard/ Indicator Major Topics/Concepts Introduction to the course Know the steps and design a controlled scientific investigation; Scientific observation; Qualitative vs. Quantitative (Data); Inference; Dependent vs. Independent variable; Use tables or charts for data organization; Systematic process for conducting a valid (safe and accurate) investigation; Construct explanations and valid conclusions for investigations; Generate testable questions for further study of a topic; Repeating trials to detect patterns and trends in experimental data; Sample; Safe, accurate, and appropriate use of tools and instruments (slinky springs); Metric measurement; Safety procedures for investigations 8-1.1 8-1.2 8-1.3 8-1.4 8-1.5 8-1.6 8-1.7 This unit does not need to be taught in consecutive days, but all concepts should be introduced by day 41. It is recommended that four days be direct instruction on inquiry, and the remaining five days be embedded throughout the next three units. Motion (Days 11-20) Forces (Days 21-34 ) Properties of Waves (Days 35-41) Days 42-43 CASE21 Inc. 10 Days 8-5.1 8-5.2 14 Days 8-5.3 8-5.4 8-5.5 8-5.6 7 Days 8-6.1 8-6.2 8-6.3 Motion results from change of position; Reference point; Displacement; Distance; Direction; Measurement of motion; Speed; Distance-Time graphs; Slope of a line; Interpret motion from data on a graph; Solve problems using V = d/t with appropriate units; Identify variables involved in speed problems How forces (gravity, friction) impact speed and direction; Impact of varying the amount of force or mass on motion; Impact of balanced or unbalanced forces on magnitude and direction of moving objects; Calculate net force; Use arrows to represent magnitude and direction of forces; Inertia; Examples of the effects of inertia Waves transmit energy; Vibration; Medium (solid, liquid, gas); How waves travel; Cause of waves; Mechanical vs. Electromagnetic wave characteristics; Vacuum; Compressional/Longitudinal waves vs. Transverse waves; Rarefaction; Crest; Trough; Factors that influence wave properties (frequency, amplitude, wavelength, speed); Transverse wave diagrams Review/1st Benchmark (covering all content through day 41) 1 www.case21inc.com Unit Scientific Inquiry (Days 44-51) Days 8 Days Standard/ Indicator Major Topics/Concepts Know the steps and design a controlled scientific investigation; Scientific observation; Qualitative vs. Quantitative (Data); Inference; Dependent vs. Independent variable; Use tables or charts for data organization; Systematic process for conducting a valid (safe and accurate) investigation; Construct explanations and valid conclusions for investigations; Generate testable questions for further study of a topic; Repeating trials to detect patterns and trends in experimental data; Sample; Safe, accurate, and appropriate use of tools and instruments (convex lenses, plane mirrors, color filters, prisms); Metric measurement; Safety procedures for investigations 8-1.1 8-1.2 8-1.3 8-1.4 8-1.5 8-1.6 8-1.7 Eight days are allowed to provide time for inquiry concepts to be embedded and reinforced through actual experimentation during the next five units. Wave Behavior and Sound (Days 52-57) 6 Days 8-6.4 8-6.5 The Electromagnetic Spectrum and Light (Days 58-66) 9 Days 8-6.6 8-6.7 8-6.8 Studying Our Solar System and the Universe (Days 67-75) 9 Days 8-4.1 8-4.9 8-4.10 The Sun (Days 76-78) 3 Days 8-4.2 8-4.3 CASE21 Inc. Wave behaviors: Refraction (convex lenses, prisms, diffraction gratings) Reflection (plane mirrors) Transmission (transparent, opaque, translucent) Absorption (infrared radiation) Main parts of the ear (outer ear, eardrum, middle ear, inner ear); How the ear and brain interact with sound waves for hearing to occur Major parts of the eye (cornea, lens, retina, optic nerve); How the eye and brain interact with light waves for sight to occur; Absorption and reflection of light waves result in color perception; Frequency of light waves; Color filters; Electromagnetic spectrum (visible light, infrared radiation, ultraviolet radiation); Relationship between wavelength, frequency, and energy of waves in EM spectrum Characteristics and movements of objects in our Solar System (planets, moons, asteroids, comets, meteoroids); Sequence planets in order from the Sun or by size; Location relationships between objects within the Solar System and those out in the Universe; Position of the Sun in the Universe; Composition and shapes of galaxies (elliptical, spiral, irregular); Light year; Milky Way galaxy; Tools and technologies used to make observations and collect data about objects in space (telescopes, satellites, space probes, spectroscopes); Optical vs. Radio telescopes Characteristics of Sun’s atmosphere (photosphere, corona); Surface feature characteristics of the Sun (sunspots, prominences, solar flares); Effects of surface features on the Earth (solar wind, auroras, magnetic storms, light and heat radiation) 2 www.case21inc.com Unit The Earth and Moon (Days 79-84) Days 85-86 Days 6 Days Standard/ Indicator Major Topics/Concepts 8-4.4 8-4.5 Rotation and revolution of the Earth and the Moon; Impact of Earth and/or Moon motions on the Earth (day, year, lunar movement, phases of the Moon, eclipses, tides); Axis; Elliptical orbit; Moon phases (new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent); Solar vs. Lunar eclipses; High and low tides; Spring and neap tides; How Earth’s tilt results in varied hours of daylight and unequal heating of hemispheres and seasonal change; Solstice vs. Equinox Review/2nd Benchmark (covering content from day 1-84) 9 Days 8-1.1 8-1.2 8-1.3 8-1.4 8-1.5 8-1.6 8-1.7 Gravitational Forces (Days 96-103) 8 Days 8-4.6 8-4.7 8-4.8 Internal Structures of the Earth (Days 104-109) 6 Days Scientific Inquiry (Days 87-95) Lithospheric Movement and Changing Landforms (Days 110-121) CASE21 Inc. 12 days Same description as previous two sections on Scientific Inquiry Nine days are allowed to provide time for inquiry concepts to be embedded and reinforced through actual experimentation during the next four units. Factors influencing the force of gravity (mass, distance); Impact of varying mass and/or distance on gravitational force; How the pull of gravity affects tides and orbits; Mass vs. Weight; Balance and spring scale Position, density, and composition of the Earth’s layers (crust, mantle, core); Lithosphere; Asthenosphere; How data from seismic waves (primary, secondary, surface) and the magnetic field is used to infer the Earth’s internal structure; Properties of seismic waves; Longitudinal vs. Transverse waves; How speed and direction of a seismic wave depends on the material through which it passes; Behavior of compass within Earth’s magnetic field Use seismograph data to determine epicenter of an earthquake; Seismogram; Triangulation; How seismic waves move from the focus of an earthquake; Lithospheric plate motion (convection currents); Motion at plate boundaries and the resulting changes in Earth’s landforms; Divergent boundary; Convergent boundary; Transform boundary; Pangaea; Continental drift; Plate tectonics; Impact of volcanic eruptions on landforms; Magma; Vent; Lava; Ring of Fire; Impact of mountain-building forces on landforms; Forces/stresses (tension, compression, shearing); Faults (normal, reverse, strike-slip); Fault-block mountain; How internal forces along a fault cause earthquakes; Compare location and energy of the epicenter and focus of an earthquake 8-3.1 8-3.2 8-3.3 8-3.6 8-3.7 8-3.8 3 www.case21inc.com Unit Geologic Features, Rock Formation, and Resources (Days 122-130) Days 131-133 Days 9 Days 10 Days Geologic Time (Days 144-155) 12 Days Days 161-165 Days 165-180 CASE21 Inc. Major Topics/Concepts 8-3.4 8-3.5 8-3.9 How the rock cycle results in igneous, metamorphic, and sedimentary rock formation; Intrusive vs. Extrusive igneous rock; How weathering, erosion, and deposition can form sedimentary rock; How certain physical and chemical properties make minerals, ores, and fossil fuels important resources; How geologic features are identified and modeled using aerial photography, satellite imagery, and topographic maps; Geologic features (mountains, rivers, tributaries, lakes, farmland, forests, Carolina bays, coastal features); Colors and shapes on satellite images; How elevation, relief, and slope of surface are depicted on topographic map; Use scale, symbols, contour lines and intervals to interpret topographic maps Review/3rd Benchmark (covering content from day 1-130) Survival and Diversity of Life (Days 134-143) Days 156-160 Standard/ Indicator How adaptations of populations increase chances of survival in the environment; Variations; Adaptations; Natural selection; Use of fossils to study Earth’s history and diversity; Formation processes of fossils (mold, 8-2.1 cast, petrified, preserved, carbonized, trace); Evidence 8-2.2 from the fossil record; Effect of catastrophic events on 8-2.3 the conditions and diversity of life on Earth; Catastrophic events (asteroid, comet, volcanoes, climate change) resulting in environmental changes that impact life; Ice ages Units of the geologic time scale (eras, periods, epochs); Eras (Paleozoic, Mesozoic, Cenozoic); Ongoing nature of geologic time; Increasing diversity 8-2.4 and complexity of life across geologic time; Organisms 8-2.5 representative of each era; Major geologic changes 8-2.6 due to plate tectonics; Relative age (law of 8-2.7 superposition, index fossils); Trilobites; Extinction of species (natural factors, man-made factors); Identify extinct species and the factors that led to their extinction Review/Optional Comprehensive Benchmark (covering all content objectives) PASS Testing Review/Enrichment/Special Projects 4 www.case21inc.com