MYP Science - Grade 10

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Summary:
Grade 10 Sciences is an integrated science course that encompasses an equal balance of physics, biology and chemistry. We will explore the key concepts of SYSTEMS, CHANGE and RELATIONSHIPS with respect to energy and chemical transformations in the human body and the mechanical world. Physics topics deal primarily with energy, how it manifests itself, and what laws govern its transformation, while chemistry and biology topics cover important transformations of organic molecules in living organisms and the cycling of nutrients in the environment. The course focuses on applied math during semester one, and research/ experimentation during semester two. By the end of this course, students should be able to make a comfortable choice about which DP science they want to study based on the skills and interests they developed during the year.
 
Units and topics:
Unit 1 - Energy transformation and the ‘Human Machine’
  • Identify variables of motion in equations and in graphs and describe motion from a graph
  • Calculate acceleration using kinematics formulas
  • Calculate magnitudes of forces
  • Describe and calculate work
  • Explain and calculate power 
  • Describe the relationship between potential and kinetic energy
  • Describe how chemical energy is converted to mechanical energy through muscle systems
  • Identify the inputs and outputs of cellular respiration
  • Define aerobic and anaerobic respiration
  • Define ATP
  • Describe the roles of oxygen and carbon dioxide in cellular respiration
  • State and identify the basic components of skeletal muscle and muscle fibers 
  • Describe what simple machines are
  • Describe how the human body makes use of simple machines
Unit 3- The Age Electric
  • Describe how to convert chemical energy into electrical energy
  • Describe the chemical logic of how batteries are constructed
  • Describe the reactivity series (relationships, corrosion, oxidation, reduction)
  • Describe how electrical generators work from the standpoint of electricity and magnetism (mechanical energy into electrical energy)
  • Distinguish different ways of powering an electrical generator 
  • Calculate the power produced by different systems for generating electricity
  • Compare the efficiency of different systems for generating electricity
  • Describe the environmental impact of different systems for generating electricity 
  • Construct and test models of different systems for generating electricity
Unit 2 - The fuel that powers you: An investigation into how energy is harnessed from a variety of different fuel sources
  • Describe relationships between alkane based fuels, alcohol fuels, carbohydrate fuels and hydrogen
  • Balance equations of combustion reactions
  • Describe the meaning of terms such as “exothermic” and “endothermic” and “activation energy”
  • Distinguish between the mechanisms of thermal energy transfer, including conduction, convection and radiation
  • Distinguish between the methods for measuring thermal energy, including temperature scales, kelvin scale, thermometer design
  • Apply the principles of specific heat capacity, latent heats of fusion and evaporation, heat curves to explain the mechanisms for temperature changes in different states and states of matter at the molecular scale
  • Apply the first law of thermodynamics during heat transfer and the application of specific heat capacity formula Q=mC∆T
  • Describe the characteristics of different types of biofuels 
  • Evaluate the use of biofuels vs. fossil fuels in terms of environmental and economic factors. 
  • Describe the relationship between heat energy production and work
Unit 4- Save our GREEN planet: Explorations into sustainable living
  • Describe earth’s energy balance from the standpoint of sunlight 
  • Describe the characteristics of the electromagnetic spectrum
  • Describe the relationship between the electromagnetic spectrum and photosynthesis
  • Define biomass
  • Identify ways of measuring biomass
  • Identify the reactants and products of photosynthesis
  • Identify factors other than light that are related to the conversion of solar energy into chemical energy during photosynthesis
  • Describe the role of nitrogen, carbon, and other nutrients in the life of a plant 
  • State the importance of nutrient cycling for sustainability on earth
  • Apply knowledge of photosynthesis and nutrient cycling to produce biomass
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:
  • Charged laptop
  • 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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