Physics Summative Test - Term 3, 2024

Test Overview

• Hard copy of the test provided on Wednesday of week 8.
• Duration of the test is 75 minutes.
• Total marks available: 50.
• Test format includes 16 multiple choice questions (MCQ), short answers totaling 23 marks, practical design questions worth 7 marks, and a 4-mark section on Science as a Human Endeavour (SHE).

Key Concepts in Physics

• Circuits and Electricity:

  • Understand definitions of circuits and electricity.
  • Knowledge of conduction, convection, and radiation is essential.

• Circuit Structure:

  • Familiarity with circuit diagrams and symbols for components:
    • Switch
    • Bulb
    • Battery
    • Resistor
    • Ammeter
    • Voltmeter

• Electrical Quantities:

  • Grasp relationships between current, voltage, and resistance.
  • Ability to perform calculations associated with electric circuits.

Sound Fundamentals

• Sound Properties:

  • Frequency: number of waves passing a point per second.
  • Amplitude: height of the wave, related to loudness.
  • Wavelength: distance between consecutive wave peaks.
  • Pitch: perception of sound frequency.
  • Decibels (dB): unit measuring sound intensity.

• Sound Transmission:

  • Knowledge on how sound travels through different media, explaining variations in speed.

Light Principles

• Light Behavior:

  • Concepts of incident ray, reflected ray, angle of incidence, and angle of reflection.
  • Understanding reflection and absorption in mirrors and other surfaces.

• Refraction:

  • Knowledge about how light bends when passing through different media.

• Energy Transformation:

  • Example: Electrical energy converts to light and heat in lamps.

Wave and Particle Behavior

• Wave Characteristics:
  • Understanding both sound waves and water waves in terms of their behavior.

Scientific Practices

• Experimental Design:

  • Identify independent, dependent, and controlled variables in scientific experiments.
  • Ability to formulate a hypothesis based on variable relationships.

• Science as a Human Endeavour (SHE):

  • Discuss applications and limitations of science in societal contexts.

Practical Circuit Connections

• Understand how simple bulb and battery connections work, including troubleshooting non-functional circuits.

Prepare for the upcoming Physics Summative Test covering essential concepts such as circuits, electricity, and energy transfer mechanisms. The quiz will include multiple-choice questions, short answer queries, practical design tasks, and SHE. Ensure you are well-versed with diagrams and key definitions to excel.