Science 20 - Unit A: Chemical Changes
Outcomes:
1. Investigate aqueous solutions to determine conductivity and to calculate concentration.
2. Explain oxidation, reduction and spontaneity and apply this knowledge to voltaic and electrolytic cells and to industrial processes
3. Describe the properties of simple hydrocarbons and describe hydrocarbon-based industrial
processes that are important in Alberta.
Key Concepts
- Electrolytes and non-electrolytes
- Oxidation/anode and reduction/cathode
- Applications of oxidation-reduction reactions
- Naming and drawing structural formulas for saturated/unsaturated hydrocarbons (containing up to eight carbon atoms in the parent chain)
- Voltaic and electolytic cells
Science 20 - Unit B: Changes in Motion
Outcomes:
1. Describe one-dimensional motion of objects in terms of displacement, time, velocity and acceleration.
2. Describe and analyze the law of conservation of momentum for one-dimensional collisions and change in momentum (impulse) to explain how force affects motion.
Key Concepts
- 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 devices
Science 20 - Unit C: The Changing Earth
Outcomes:
1. Analyze the scientific evidence and explanations for geologic phenomena that occurred long ago or are taking place over a long period of time.
2. Analyze and assess the evidence to explain the theory of plate tectonics and the internal structure of Earth.
3. Analyze and assess the evidence provided by the fossil record of change in the environment and life forms over a period of 3.5 billion years.
4. Analyze the evidence of, and assess the explanations for, natural variations in Earth’s climate over the last two million years.
Key Concepts
- Earth’s internal structure
- Theory of plate tectonics and Earthquakes
- Fossilization, radiometric dating and half-life
- Major characteristics and life forms of past eras; Mass extinctions
- Evidence of variations in Earth’s climate
Science 20 - Unit D: Changes in Living Systems
Outcomes:
1. Analyze ecosystems and ecological succession in the local area and describe the relationships and interactions among subsystems and components.
2. Analyze and investigate the cycling of matter and the flow of energy through the biosphere and ecosystems as well as the interrelationship of society and the environment.
3. Analyze and describe the adaptation of organisms to their environments, factors limiting natural populations, and evolutionary change in an ecological context.
Key Concepts
- Habitat destruction, reclamation
- Species diversity
- Autotrophs, heterotrophs, food chains, food webs
- Tropic levels, biomass, energy and pyramids
- Adaptation of organisms, natural selection
- Evidence for the theory of evolution
|
|
|