MYP Science - Grade 9

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Summary:
Grade 9 Sciences is an integrated science course that encompasses physics, biology and chemistry. We will explore the key concepts of SYSTEMS, CHANGE and RELATIONSHIPS with respect to interactions between organisms to gain energy and how metabolic processes occur to provide our bodies with energy. We will explore evolution from biological and chemical stand point. Physics topic deals with motions and mathematical relationships between variables. The course focuses on research and experimentation during semester one, and applied math during semester two.
 
Units and topics:
Unit 1 – Interactions between organisms and their environment
  • Recall the role of mitosis and meiosis in the creation of cells, the role of DNA, chromosomes, and genes in inheritance 
  • Define evolution and variation
  • Explain how the process of natural selection leads to evolution
  • Analyse Darwin’s approach (scientific method) to developing the theory of evolution
  • Define and distinguish between habitat, ecosystem, environment, and biome
  • Identify biomes using a cladogram 
  • List and define and the characteristics of living organisms
  • Define species
  • Identify shared/similar traits and distinguishing traits at different levels of the hierarchy of organisms
  • Describe relationships between organisms include parasitism, mutualism, commensalism, predation and herbivory
  • Describe the flow of energy in an ecosystem
  • Describe the interdependence between organisms in an ecosystem
Unit 3- Biochemistry: Nutrition/digestion
  • Recall the “7” processes of life
  • Recall the characteristics of cells
  • Distinguish between prokaryotes and eukaryotes
  • Describe the levels of organization (Cell -tissue-organ - organ systems)
  • Define enzymes, metabolism, and respiration
  • Explain how respiration releases energy
  • Compare aerobic vs anaerobic respiration
  • Carrying out food tests (Benedict’s Test, Iodine Test, Ethanol/Lipid Test, Biuret Test)
  • Explain the process of digestion including the roles of the mouth, esophagus, stomach, small intestine, large intestine, and rectum 
  • Describe the role of secondary digestive organs (liver, pancreas) in the process of digestion 
  • Describe the process of osmosis (diffusion) in the context of digestion (assimilation)
Unit 2 – Chemistry: Solutions
  • Linked introduction to Primordial Soup - Importance of solutions in evolution
  • Properties of solutions - solubility (compounds and gases), pH, concentration, density, conductivity, viscosity
  • Reactions - neutralization, precipitation, other types…
  • State characteristics of solutions, colloids, and suspensions
  • Explain how solutes affect the freezing point and boiling point of a solvent
  • Describe how concentration is measured
  • Identify factors that affect the solubility of a substance
  • Name the properties of acids and bases
  • Explain what pH tells you about a solution
  • Explain why the body must digest food
  • Describe how pH affects digestion
Unit 4- Physics: Kinematics and Forces
  • Define key terms related to kinematics (scalar, vector, distance, displacement, velocity, speed)
  • Present motion on a graph
  • Calculate speed, average velocity and average acceleration using kinematics formulas
  • Calculate final velocity and time of free-falling objects
  • How to identify the forces acting on an object
  • How a resultant force changes the motion of an object
  • The difference between mass and weight
  • How force, mass, and acceleration are related
Aims:As stated in the MYP Sciences guide, the aims of MYP science are to encourage and enable students to
  • Develop inquiring minds and curiosity about science and the natural world
  • Acquire knowledge, conceptual understanding and skills to solve problems and make informed decisions in scientific and other contexts
  • Develop skills of scientific inquiry to design and carry out scientific investigations and evaluate scientific evidence to draw conclusions
  • Communicate scientific ideas, arguments and practical experiences accurately in a variety of ways
  • Think analytically, critically and creatively to solve problems, judge arguments and make decisions in scientific and other contexts
  • Appreciate the benefits and limitations of science and its application in technological developments
  • Understand the international nature of science and the interdependence of science, technology and society, including the benefits, limitations and implications imposed by social, economic, political, environmental, cultural and ethical factors
  • Demonstrate attitudes and develop values of honesty for themselves, others, and their shared environment
Assessment criteria:
Feedback on and final levels of achievement for assessments are based on four equally weighted assessment criteria 
 
Assessment Criteria
At the end of year 10, students should be able to:
A
Knowing and understanding
  • explain scientific knowledge
  • apply scientific knowledge and understanding to solve problems set in familiar and unfamiliar situations
  • analyze and evaluate information to make scientifically supported judgments.
B
Inquiring and designing
  • explain a problem or question to be tested by a scientific investigation
  • formulate a testable hypothesis and explain it using scientific reasoning
  • explain how to manipulate the variables, and explain how data will be collected
  • design scientific investigations.
C
Processing and evaluating
  • present collected and transformed data
  • interpret data and explain results using scientific reasoning
  • evaluate the validity of a hypothesis based on the outcome of the scientific investigation
  • evaluate the validity of the method
  • explain improvements or extensions to the method.
D
Reflecting on the impacts of science
  • explain the ways in which science is applied and used to address a specific problem or issue
  • discuss and evaluate the various implications of using science and its application to solve a specific problem or issue
  • apply scientific language effectively
  • document the work of others and sources of information used.
Required materials:
Please bring the following materials to every class:
  • Chargedlaptop
  • Notebook with a hard cover. This notebook must be used just for science class 
  • Scientific calculator
  • Sharpened pencil(s), pen
  • Headphones

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