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California Science Teachers Association In collaboration with the California Department of Education - page 15 / 50





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Integrated Science- Year 1 Sample Flowchart for Concept Instructional Sequence

Abiotic factors that affect the biosphere are based on geochemical Earth


How do electrostatic forces affect bonding behaviors of simple and complex molecules?

Biogeochemical cycles support biotic systems.

Covalent and ionic bonding (C2a)

Crystals as repeating patterns of positive and negative ions (C2c)

Covalent bonds of hydrogen, methane, etc. (C2b)

How do bonding behaviors of complex molecules affect biogeochemical

Electromagnetic waves: radio waves, light, and X-rays (P4e, review) Energy release, absorption; condensation and freezing, evaporation and melting (C7c) Interchangability of elements, energy in abiotic, biotic environments Importance of water; origins of California’s fresh water; supply and need (E9c) Movement of matter among reservoirs is driven by Earth’s internal and external sources of energy (E7c) Stability in an ecosystem is a balance between competing effects. How does human impact affect the water cycle?

Water, carbon, nitrogen cycle in the ecosystem; oxygen cycles in photosynthesis, respiration. (B6d)

Carbon cycle of photosynthesis, respiration; nitrogen cycle (E7a)

Global carbon cycle: atmosphere, oceans, biomass, fossil fuels (E7b)

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    Relative residence times and

flow characteristics of carbon (E7d)

Water cycles between abiotic resources and organic matter (B6d)

Acids, bases and salts are three classes of compounds that form ions in water solutions.

Observable properties of acids, bases, and salt solutions (C5a)

Strong, weak acids & bases: full & partial dissociation (C5c)


Instruction will include: Types of bonds (rev.) Effect of electronegativity on bond type (rev.) Lewis Dot models and structural formulas of covalent molecules Biological molecules (details to follow in Year 2); relationship of crystals and rock structure, formation

Instruction will include: States/phases of matter, phase changes Water, nitrogen, carbon cycles Balanced equations, photosynthesis & respiration Carbon reservoirs (carbon in biotic &abiotic Earth systems, heat

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    CO2 emissions, climate and water cycle

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    Internal, external sources of heat; effect on movement of matter (plate techtonics)

Freshwater locations in California; relate to geological hazard map (Sem. I review).

Instruction will include: Water cycle (review) Pollution & sulfur emissions (relate to C cycle and C reservoirs, including fossil fuels) Properties of acids, bases, and salt solutions

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    testing acidity, alkalinity, pH

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    strong versus weak acieds &


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    acid rain

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