Grade 10 Science

Chapters

1Course overview and scientific literacy

2Careers in science and pathways

3Branches and interrelationships of science

4Climate versus weather and Earth's climate system

5Mechanisms of heat transfer and global circulation

6Greenhouse effect, gases and climate modeling

7Climate change indicators and human contributions

8Biodiversity, biomes and ecological sampling

9Population dynamics, food webs and ecological balance

10Biogeochemical cycles and feedback mechanisms

Open, closed and isolated systems Dynamic equilibrium and system stability Carbon cycle: photosynthesis, respiration and sinks Nitrogen cycle: fixation, nitrification and denitrification Phosphorus cycle and agricultural impacts Water cycle interactions with other cycles Human influences on nutrient cycling Designing experiments related to cycles Representing feedback mechanisms graphically Analyzing long-term consequences of cycle disruption

11Sustainability, stewardship and Indigenous perspectives

12Chemical reactions fundamentals and lab practice

13Acids, bases, pH and practical applications

14Chemical nomenclature, formulas and conservation

15Reaction rates, collision model and applications

Courses/Grade 10 Science/Biogeochemical cycles and feedback mechanisms

Biogeochemical cycles and feedback mechanisms

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Describe carbon, nitrogen, phosphorus and water cycles, sinks and fluxes, and create representations of feedbacks that maintain or alter ecosystem stability.

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9 of 10

Representing feedback mechanisms graphically

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