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11 Mechanics / Mātai Pūhanga

Slides / Ngā Kirita🔗

  1. Speed, Velocity (Slides)
  2. Acceleration (Slides)
  3. Distance-Time Graphs (Slides)
  4. Speed-Time Graphs (Slides)
  5. Force (Slides)
  6. Pressure (Slides)
  7. Gravitational Potential Energy (Slides)
  8. Kinetic Energy (Slides)
  9. Energy Transformations (Slides)
  10. Work & Power (Slides)

Mahi Kāinga Due Dates

  1. Monday, August 24th: Mahi Kāinga Booklet Q2, Q3, Q1
  2. Monday, August 31st: Mahi Kāinga Booklet Q5, Q6
  3. Monday, September 7th:
  4. Monday, September 14th: Mahi Kāinga Booklet Q12, Q13, Q14
  5. Monday, September 21st:
  6. Monday, October 12th:
  7. Monday, October 19th: Q30, Q35

Tutorials

Wednesday lunchtime in Pūtaiao breakout space upstairs, every week until you go on exam leave! Bring something you are unsure about and get help!

Learning Outcomes / Ngā Whāinga Ako

  1. Motion

    1. Name the metric units of distance, time and speed and give their symbols.
    2. Define the term speed.
    3. Use simple instruments such as rulers and stopwatches to measure distance and time.
    4. Calculate the average speed of objects. Use $v=d/t$.
    5. Draw distance/time graphs from data obtained in ngā whakamātau.
    6. Use the slope of a distance/time graph to describe and/or calculate the speed of an object.
    7. Draw speed/time graphs from given data or data obtained in motion ngā whakamātau.
    8. Use the slop of a speed/time graph to describe and/or calculate the speed of an object.
    9. Define acceleration including its unit and symbol.
    10. Calculate acceleration from speed and time data and speed/time graphs. Use $a = v/t$.
    11. Calculate the distance covered by an object using a speed/time graph of its motion.
  2. Force

    1. Identify examples of forces and represent them in force diagrams.
    2. Describe the different effects of balanced and unbalanced forces on the motion of an object and recognise examples of equilibrium.
    3. Name the units of measurement for force, mass and acceleration and give their symbols.
    4. Describe the relationship between mass and acceleration of an object which is acted upon by a given unbalanced force (called net force).
    5. Use the relationship $F = ma$ to calculate the net force, mass or acceleration of an object.
    6. Define the weight of an object.
    7. Use a balanced to compare mass and weight.
    8. Define the force of friction.
    9. Describe the energy effects of friction on stationary and/or moving objects.
    10. Explain force and pressure in terms of everyday situations. Use $P = F/A$.
    11. Describe the different forms of energy including heat, kinetic, gravitational, potential, elastic potential, sound and solar energies.
    12. Identify energy changes.
    13. Give the symbols and units for kinetic and potential energy.
    14. Use $E_{k} = \frac{1}{2}mv^{2}$
    15. Explain the conservation of mechanical energy in free fall situations (e.g. ball sports)
  3. Work and Power

    1. Define work.
    2. Name the unit of work and give its symbol.
    3. Use $W = Fd$.
    4. Use $Ep = mgh$.
    5. Use $W = Fd$ and $Ep = mgh$ to determine amounts of energy transfer.
    6. Define power.
    7. Name the unit of power and give its symbol.
    8. Calculate the power of a device from given data.

Unit Plan / Mahere Kōwae

Akoranga 1 (Mon)Akoranga 2 (Wed)Akoranga 3 (Thurs)Akoranga 4 (Fri)
T3 W5Senior ExamsSenior Exams1. Velocity2. Acceleration
T3 W63. Distance-Time Graphs4. Speed-Time Graphs5. .6
T3 W77. 8.9. Mid-Topic Test 110. Self Marking 1
T3 W811. Mass vs Weight 112. Mass vs Weight 213. Types of Forces
T3 W915. Running Man Whakamātau16. Newton Whakamātau17. Pressure 118. Pressure 2
T3 W1019. Gravitational Energy20. Kinetic Energy21. Energy Transformations 122. Energy Transformations 2
T4 W123. Energy Transformations 324. Work 125. Work 226. Power
T4 W227. Revision 128. Revision 229. Revision 3End of Topic Test

Lesson Plans / Ngā Mahere Akoranga

  1. Velocity

    • Intro to distance, speed and velocity with notes
    • 3x practice questions in the notes
    • Issue mahi kāinga booklet, explain motivation and regular weekly mahi kāinga
    • sciPAD questions to finish
  2. Acceleration

  3. Distance-Time Graphs

    • Return Chem Reactions tests
    • Notes on distance-time graphs
    • Practice question on distance-time graphs
    • Assign mahi kāinga
  4. Speed-Time Graphs

  5. Mass vs Weight 1

  6. Mass vs Weight 2

  7. Types of Forces

    • Mahi Tuatahi: finish worksheet from previous class
    • Make notes on types of forces
    • sciPAD page 34 and 36
    • Self-mark the sciPAD using the QR code
  8. Terminal Velocity

    • Ngā Whāinga Ako:
      1. Describe the relationship between mass and acceleration of an object which is acted upon by a given unbalanced force (called net force).
      2. Use the relationship $F = ma$ to calculate the net force, mass or acceleration of an object.
    • Video mahi tuatahi
    • Notes on net force
    • Video: Felix Baumgartner jump from space
    • Notes on terminal velocity
    • Mahi Kāinga booklet Q18, Q17
  9. Running Man Whakamātau

  10. Newton Whakamātau

  11. Pressure 1

    • Mahi tuatahi in ngā kirita
    • Four recap pātai on forces
    • Notes on pressure
    • Example calculations to find P, F and A
    • Pressure Whakamātau - finding weight, foot surface area and therefore own-pressure.
  12. Pressure 2

    • Mahi Tuatahi: Calculating force using the pressure equation
    • Finish Pressure Whakamātau
    • Two modified past exam questions in the ngā kirita
  13. Gravitational Energy

    • Mahi Tuatahi: Title & date in books, complete crossword on pressure (sciPAD page 47)
    • Video/Discussion on objects falling in a vacuum
    • Notes on Gravitational Potential Energy
    • 4x practice pātai in ngā kirita
  14. Kinetic Energy

  15. Energy Transformations 1

  16. Energy Transformations 2

  17. Energy Transformations 3

    • Mahi Tuatahi: Quizlet match x3 and then live
    • Ngā Whāinga Ako:
      1. Identify energy changes.
      2. Use $E_{k} = \frac{1}{2}mv^{2}$
      3. Explain the conservation of mechanical energy in free fall situations (e.g. ball sports)
    • Notes recalling the conservation of energy
    • Mahi Kāinga booklet Q40 (achieved and excellence parts)
  18. Work 1

    • Mahi Tuatahi: Discussions to recall previous learning (in slides)
    • Ngā Whāinga Ako:
      1. Define work.
      2. Name the unit of work and give its symbol.
      3. Use $W = Fd$.
    • Notes on work
    • Pātai using $W = Fd$
  19. Work 2

    • Mahi Tuatahi: Compare change in energies of two skiers taking different paths down a mountain (in slides)
    • Ngā Whāinga Ako: Use $W = Fd$ and $Ep = mgh$ to determine amounts of energy transfer.
    • Compare similarities/differences of $W = Fd$ and $Ep = mgh$ to understand that they can be the same
    • Practice question in slides
    • Mahi Kāinga booklet Q33 as more practice
    • Whakamātau: Bungs Away
  20. Power

    • Mahi Tuatahi: Kahoot on work
    • Ngā Whāinga Ako:
      1. Define power.
      2. Name the unit of power and give its symbol.
      3. Calculate the power of a device from given data.
    • Notes on power
    • Tauria calculations
    • Mahi Kāinga booklet Q36 as more practice
  21. Revision 1

    • Mahi Tuatahi:
    • Ngā Whāinga Ako:
  22. Revision 2

    • Mahi Tuatahi:
    • Ngā Whāinga Ako:
  23. Revision 3

    • Mahi Tuatahi:
    • Ngā Whāinga Ako:
  24. TEST