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Skills available for Alberta grade 8 science curriculum

Objectives are in black and IXL science skills are in dark green. Hold your mouse over the name of a skill to view a sample question. Click on the name of a skill to practise that skill.

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Alberta Program of Studies: Cells and Systems Alberta Program of Studies: Cells and Systems
Alberta Program of Studies: Freshwater and Saltwater Systems Alberta Program of Studies: Freshwater and Saltwater Systems
Alberta Program of Studies: Light and Optical Systems Alberta Program of Studies: Light and Optical Systems
Alberta Program of Studies: Mechanical Systems Alberta Program of Studies: Mechanical Systems
Alberta Program of Studies: Mix and Flow of Matter Alberta Program of Studies: Mix and Flow of Matter

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C Light and Optical Systems

C.STS-K Outcomes for Science, Technology and Society (STS) and Knowledge
- C.STS-K.1 Investigate the nature of light and vision; and describe the role of invention, explanation and inquiry in developing our current knowledge
  - C.STS-K.1.a identify challenges in explaining the nature of light and vision (e.g., recognize that past explanations for vision involved conflicting ideas about the interaction of eyes and objects viewed; identify challenges in explaining upside-down images, rainbows and mirages)
  - C.STS-K.1.b investigate the development of microscopes, telescopes and other optical devices; and describe how these developments contributed to the study of light and other areas of science
  - C.STS-K.1.c investigate light beams and optical devices, and identify phenomena that provide evidence of the nature of light (e.g., evidence provided by viewing the passage of light through dusty air or cloudy water)
- C.STS-K.2 Investigate the transmission of light, and describe its behaviour using a geometric ray model
  - C.STS-K.2.a investigate how light is reflected, transmitted and absorbed by different materials; and describe differences in the optical properties of various materials (e.g., compare light absorption of different materials; identify materials that transmit light; distinguish between clear and translucent materials; identify materials that will reflect a beam of light as a coherent beam)
    - Transmission, reflection and absorption of waves (8-G.4)
  - C.STS-K.2.b measure and predict angles of reflection
  - C.STS-K.2.c investigate, measure and describe the refraction of light through different materials (e.g., measure differences in light refraction through pure water, salt water and different oils)
  - C.STS-K.2.d investigate materials used in optical technologies; and predict the effects of changes in their design, alignment or composition
- C.STS-K.3 Investigate and explain the science of image formation and vision, and interpret related technologies
  - C.STS-K.3.a demonstrate the formation of real images, using a double convex lens, and predict the effects of changes in the lens position on the size and location of images (e.g., demonstrate a method to produce a magnified or reduced image by altering the placement of one or more lenses)
  - C.STS-K.3.b demonstrate and explain the use of microscopes; and describe, in general terms, the function of eyeglasses, binoculars and telescopes
  - C.STS-K.3.c explain how objects are seen by the eye, and compare eyes with cameras (e.g., compare focusing mechanisms; compare the automatic functions of the eye with functions in an automatic camera)
  - C.STS-K.3.d compare the function and design of the mammalian eye with that of other vertebrates and invertebrates (e.g., amphibians; fish; squid; shellfish; insects, such as the housefly)
  - C.STS-K.3.e investigate and describe the development of new technologies to enhance human vision (e.g., laser surgery on eyes, development of technologies to extend night vision)
  - C.STS-K.3.f investigate and interpret emerging technologies for storing and transmitting images in digital form (e.g., digital cameras, infrared imaging, remote imaging technologies)
    - Applications of infrared waves (8-G.6)
C.S Skill Outcomes
- C.S.1 Initiating and Planning: Ask questions about the relationships between and among observable variables, and plan investigations to address those questions
  - C.S.1.a identify questions to investigate (e.g., ask about the role of eyeglasses in improving vision)
    - Identify the experimental question (8-B.3)
    - Identify questions that can be investigated with a set of materials (8-B.4)
  - C.S.1.b define and delimit questions to facilitate investigation (e.g., rephrase a question, such as: "Is plastic the best material to use in eyeglasses?" to become "Which material refracts light the most?")
  - C.S.1.c design an experiment, and identify the major variables
  - C.S.1.d state a prediction and a hypothesis based on background information or an observed pattern of events (e.g., predict the effect of dissolved materials on the refraction of light in a liquid)
  - C.S.1.e formulate operational definitions of major variables and other aspects of their investigations (e.g., operationally define "refraction" and "beam of light")
- C.S.2 Performing and Recording: Conduct investigations into the relationships between and among observations, and gather and record qualitative and quantitative data
  - C.S.2.a carry out procedures, controlling the major variables
  - C.S.2.b observe and record data, and prepare simple line drawings (e.g., prepare a drawing of the path of a light beam toward and away from a mirror)
  - C.S.2.c use instruments effectively and accurately for collecting data (e.g., measure angles of reflection; use a light sensor to measure light intensity)
    - Identify laboratory tools (8-A.2)
  - C.S.2.d organize data, using a format that is appropriate to the task or experiment (e.g., demonstrate use of a database or spreadsheet for organizing information)
  - C.S.2.e use tools and apparatus safely (e.g., use lasers only in ways that do not create a risk of light entering anyone's eyes)
    - Identify laboratory tools (8-A.2)
    - Laboratory safety equipment (8-A.3)
- C.S.3 Analyzing and Interpreting: Analyze qualitative and quantitative data, and develop and assess possible explanations
  - C.S.3.a predict the value of a variable by interpolating or extrapolating from graphical data (e.g., predict the angle of a refracted beam of light)
  - C.S.3.b identify strengths and weaknesses of different ways of collecting and displaying data (e.g., evaluate different approaches to testing a lens)
  - C.S.3.c state a conclusion, based on experimental data, and explain how evidence gathered supports or refutes an initial idea (e.g., write a conclusion on the effect of dissolved materials on the refraction of light through water)
    - Evaluate tests of engineering-design solutions (8-C.2)
    - Use data from tests to compare engineering-design solutions (8-C.3)
  - C.S.3.d identify new questions and problems that arise from what was learned (e.g., ask questions about new technologies for improving human vision and about the principles on which these technologies are based)
- C.S.4 Communication and Teamwork: Work collaboratively on problems; and use appropriate language and formats to communicate ideas, procedures and results
  - C.S.4.a receive, understand and act on the ideas of others (e.g., act on the suggestions of others in testing and manipulating various lens combinations)
  - C.S.4.b recommend an appropriate way of summarizing and interpreting their findings (e.g., prepare a drawing and description of an improvised optical device)

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C Light and Optical Systems

C.STS-K Outcomes for Science, Technology and Society (STS) and Knowledge

C.STS-K.1 Investigate the nature of light and vision; and describe the role of invention, explanation and inquiry in developing our current knowledge

C.STS-K.1.a identify challenges in explaining the nature of light and vision (e.g., recognize that past explanations for vision involved conflicting ideas about the interaction of eyes and objects viewed; identify challenges in explaining upside-down images, rainbows and mirages)

C.STS-K.1.b investigate the development of microscopes, telescopes and other optical devices; and describe how these developments contributed to the study of light and other areas of science

C.STS-K.1.c investigate light beams and optical devices, and identify phenomena that provide evidence of the nature of light (e.g., evidence provided by viewing the passage of light through dusty air or cloudy water)

C.STS-K.2 Investigate the transmission of light, and describe its behaviour using a geometric ray model

C.STS-K.2.b measure and predict angles of reflection

C.STS-K.2.c investigate, measure and describe the refraction of light through different materials (e.g., measure differences in light refraction through pure water, salt water and different oils)

C.STS-K.2.d investigate materials used in optical technologies; and predict the effects of changes in their design, alignment or composition

C.STS-K.3 Investigate and explain the science of image formation and vision, and interpret related technologies

C.STS-K.3.a demonstrate the formation of real images, using a double convex lens, and predict the effects of changes in the lens position on the size and location of images (e.g., demonstrate a method to produce a magnified or reduced image by altering the placement of one or more lenses)

C.STS-K.3.b demonstrate and explain the use of microscopes; and describe, in general terms, the function of eyeglasses, binoculars and telescopes

C.STS-K.3.c explain how objects are seen by the eye, and compare eyes with cameras (e.g., compare focusing mechanisms; compare the automatic functions of the eye with functions in an automatic camera)

C.STS-K.3.d compare the function and design of the mammalian eye with that of other vertebrates and invertebrates (e.g., amphibians; fish; squid; shellfish; insects, such as the housefly)

C.STS-K.3.e investigate and describe the development of new technologies to enhance human vision (e.g., laser surgery on eyes, development of technologies to extend night vision)

C.STS-K.3.f investigate and interpret emerging technologies for storing and transmitting images in digital form (e.g., digital cameras, infrared imaging, remote imaging technologies)

C.S Skill Outcomes

C.S.1 Initiating and Planning: Ask questions about the relationships between and among observable variables, and plan investigations to address those questions

C.S.1.a identify questions to investigate (e.g., ask about the role of eyeglasses in improving vision)

C.S.1.b define and delimit questions to facilitate investigation (e.g., rephrase a question, such as: "Is plastic the best material to use in eyeglasses?" to become "Which material refracts light the most?")

C.S.1.c design an experiment, and identify the major variables

C.S.1.d state a prediction and a hypothesis based on background information or an observed pattern of events (e.g., predict the effect of dissolved materials on the refraction of light in a liquid)

C.S.1.e formulate operational definitions of major variables and other aspects of their investigations (e.g., operationally define "refraction" and "beam of light")

C.S.2 Performing and Recording: Conduct investigations into the relationships between and among observations, and gather and record qualitative and quantitative data

C.S.2.a carry out procedures, controlling the major variables

C.S.2.b observe and record data, and prepare simple line drawings (e.g., prepare a drawing of the path of a light beam toward and away from a mirror)

C.S.2.c use instruments effectively and accurately for collecting data (e.g., measure angles of reflection; use a light sensor to measure light intensity)

C.S.2.d organize data, using a format that is appropriate to the task or experiment (e.g., demonstrate use of a database or spreadsheet for organizing information)

C.S.2.e use tools and apparatus safely (e.g., use lasers only in ways that do not create a risk of light entering anyone's eyes)

C.S.3 Analyzing and Interpreting: Analyze qualitative and quantitative data, and develop and assess possible explanations

C.S.3.a predict the value of a variable by interpolating or extrapolating from graphical data (e.g., predict the angle of a refracted beam of light)

C.S.3.b identify strengths and weaknesses of different ways of collecting and displaying data (e.g., evaluate different approaches to testing a lens)

C.S.3.c state a conclusion, based on experimental data, and explain how evidence gathered supports or refutes an initial idea (e.g., write a conclusion on the effect of dissolved materials on the refraction of light through water)

C.S.3.d identify new questions and problems that arise from what was learned (e.g., ask questions about new technologies for improving human vision and about the principles on which these technologies are based)

C.S.4 Communication and Teamwork: Work collaboratively on problems; and use appropriate language and formats to communicate ideas, procedures and results

C.S.4.a receive, understand and act on the ideas of others (e.g., act on the suggestions of others in testing and manipulating various lens combinations)

C.S.4.b recommend an appropriate way of summarizing and interpreting their findings (e.g., prepare a drawing and description of an improvised optical device)