Ontario Grade 11 CGF3M Forces of Nature: Physical Processes and Disasters (Grade 11, University/College Preparation)
Chapters: 5
1. A. Geographic Inquiry and Skill Development
A1 Geographic Inquiry · A2 Developing Transferable Skills
- The Scientific Method – The scientific method is the careful way scientists find out how the world works. Observe something, ask a testable question, make a hypothesis (a clear, testable guess), test it with a fair experiment (change one variable, measure one, keep the rest the same), repeat and record data, analyse it, draw a conclusion and share it so others can check. Results that fail the test are useful too: they send you back to a new hypothesis.
- Career Planning: From Knowing Yourself to Your First Job – Career planning has five steps. 1) Know yourself: interests, skills and values. 2) Explore career families and find out the work, study needed, pay and demand. 3) Plan a pathway with SMART goals and a plan B. 4) Search for jobs with a CV, cover letter, digital portfolio and interview practice. 5) Make the move from school to work and keep learning, because careers change over a lifetime.
2. B. Spatial Organization: Spheres of the Earth
B1 Physical Processes and Natural Hazards · B2 Spatial Connections · B3 Physical Characteristics of the Earth
- Natural Hazards – A natural hazard is a natural event that can harm people and property, such as an earthquake, volcano, landslide, flood, drought or cyclone. It becomes a disaster when it hits people who are not ready. Geological hazards come from inside the Earth; meteorological (weather) hazards come from the air and water. Risk = hazard × vulnerability ÷ capacity to cope, so warning systems, strong buildings and trained people cut the damage.
- Forces of Nature: Earth's Physical Processes and Disasters – Earth works as four connected spheres: the atmosphere (air), hydrosphere (water), lithosphere (rock and soil) and biosphere (living things). Energy from the Sun drives weather, winds and the water cycle; heat from inside Earth moves tectonic plates, causing earthquakes, volcanoes and mountains. Earth's 23.5° tilt, kept the same as it orbits the Sun, gives us seasons. Running water, wind, ice, waves and gravity wear land away (erosion) and drop it elsewhere (deposition). Living things also shape the land and air. A change in one sphere spreads to the others. When a natural process meets people who are not ready, it can become a disaster, so we study patterns and trends to reduce risk.
- Earth as a System: Spheres and Energy – Earth is like one big machine with five parts: rock (geosphere), water (hydrosphere), ice (cryosphere), air (atmosphere) and life (biosphere). The Sun powers it. Sunlight comes as many kinds of rays (the electromagnetic spectrum). The Sun heats Earth unevenly, and that makes winds, breezes and ocean currents. Water, carbon, nitrogen and oxygen move round and round between the spheres in cycles. Humans now change these cycles, so we must use Earth carefully.
3. C. Forces of Nature: Physical Processes and Disasters
C1 Renewing the Physical Environment · C2 Human Impact on the Physical Environment · C3 Human Use of the Physical Environment
- Environmental Stewardship: Caring for the Planet as We Use Technology – Environmental stewardship means using the Earth's resources carefully so they last, and fixing harm where we can. Every product, from a phone to a hospital machine, has a life cycle: raw materials, making, transport, use and end of life. Each stage uses energy and makes waste. Good stewards keep products longer, choose efficient machines, follow the waste hierarchy (refuse, reduce, reuse, recycle, then dispose), send e-waste to proper recyclers and support laws and company practices that protect nature. Technology can harm the environment, but it can also help: solar panels, LEDs and smart sensors cut waste.
4. D. Systems: Interaction and Interdependence
D1 Sharing the Physical Environment · D2 Population and Disasters · D3 Earth's Planetary Characteristics and Life
- Environmental Stewardship: Caring for the Planet as We Use Technology – Environmental stewardship means using the Earth's resources carefully so they last, and fixing harm where we can. Every product, from a phone to a hospital machine, has a life cycle: raw materials, making, transport, use and end of life. Each stage uses energy and makes waste. Good stewards keep products longer, choose efficient machines, follow the waste hierarchy (refuse, reduce, reuse, recycle, then dispose), send e-waste to proper recyclers and support laws and company practices that protect nature. Technology can harm the environment, but it can also help: solar panels, LEDs and smart sensors cut waste.
- The World Population: Distribution, Density and Growth – People are not spread evenly on Earth. Most live on fertile plains near water; few live in deserts, high mountains or icy lands. Density tells how many people live on each square km. Geographical, economic and social factors explain the pattern. The world grew slowly for thousands of years and then very fast after 1800. Population changes through births, deaths and migration. The demographic transition theory shows how birth and death rates fall as a society moves from rural farming to urban industry. Countries use family planning and health care to control growth.
- The Solar System – The Solar System is the Sun and everything its gravity holds: 8 planets, their moons, dwarf planets, asteroids, comets and dust. The inner four planets (Mercury, Venus, Earth, Mars) are small and rocky. After the asteroid belt come the giants: gas giants Jupiter and Saturn, ice giants Uranus and Neptune. Gravity pulls planets towards the Sun while they move sideways, so they travel in orbits; closer planets move faster and have shorter years. It all formed about 4.6 billion years ago from a spinning cloud of gas and dust.
5. E. Impacts of Change
E1 Impacts of Processes and Disasters · E2 Disaster Preparedness · E3 Processes of Change
- Natural Hazards – A natural hazard is a natural event that can harm people and property, such as an earthquake, volcano, landslide, flood, drought or cyclone. It becomes a disaster when it hits people who are not ready. Geological hazards come from inside the Earth; meteorological (weather) hazards come from the air and water. Risk = hazard × vulnerability ÷ capacity to cope, so warning systems, strong buildings and trained people cut the damage.
- Forces of Nature: Earth's Physical Processes and Disasters – Earth works as four connected spheres: the atmosphere (air), hydrosphere (water), lithosphere (rock and soil) and biosphere (living things). Energy from the Sun drives weather, winds and the water cycle; heat from inside Earth moves tectonic plates, causing earthquakes, volcanoes and mountains. Earth's 23.5° tilt, kept the same as it orbits the Sun, gives us seasons. Running water, wind, ice, waves and gravity wear land away (erosion) and drop it elsewhere (deposition). Living things also shape the land and air. A change in one sphere spreads to the others. When a natural process meets people who are not ready, it can become a disaster, so we study patterns and trends to reduce risk.