Year 9 Science- Physics Program 2020
Term 2 (weeks 8-10) & Term 3 (weeks 1-7)
Approx.
Timing
(W)
Term 2
W8 & 9 &
10
Curriculum
Focus
Energy & Heat
ACSSU182
Skills, Knowledge, Understanding
●
Define energy as the ability to do work and that energy is measured in Joules.
●
Identify different forms of energy such as heat energy, sound, light,
electromagnetic radiation and electrical energy.
Suggested
Texts/Resources
EDWA L & S Act 1. “Waves Transfer
Energy” (p 23)
PS 4.1-HEAT (main reference)
●
Describe the difference between heat and temperature.
●
Convert between the Kelvin and Celsius temperature scales.
●
Explain the process of conduction and describe the direction of heat transfer,
using examples.
●
Explain the differences in rates of conduction through solids, liquids and gases
using kinetic theory.
●
Define and give examples of conductors and insulators.
●
Explain the process of convection, using examples.
●
Recall that heat energy can be transmitted through radiation.
●
Relate the properties of substances to their ability to reflect, transmit and
absorb radiant heat.
ASSESSMENT
Validation test on PS 4.1.1 Testing
Insulators (15 %)
STILE
Introduction: the perfect pizza
What do you already know?
What is heat?
What is conduction?
Practical: Metal conductivity Cross
EDWA: Energy Act. 19 “Heat Transfer”
(p 123)
EDWA: Energy Act. 39 “Fire-Alarms and
Switches?” (p 211)
Investigation PS 4.1.1 Testing
Insulators
STILE
Heat > Introduction
Heat > What do you already know?
Heat > Lesson: What is heat?
Heat > Lesson: Conduction
Heat > Lesson: Convection
Heat > Lesson: Radiation
Heat > Lesson: Career profile
STILE practicals
STILE
Heat > Glossary
Heat > Test
Heat > Investigation: Which material is the
best insulator?
Heat > Practical activity: Modelling
convection currents
Heat > Investigation: Which colour
absorbs the most radiation?
Heat > Engineering challenge: Build a
solar oven
PractIcals: Any ideas?
Term 3
W1 & W2
& W3
Sound
Understand that sound waves are longitudinal, mechanical waves.
●
Describe the features of a sound wave including compressions and
●
rarefactions.
Describe the properties of a wave including frequency, wavelength, amplitude,
●
crest, trough and period.
Describe how energy can be transferred from one place to another as a wave.
●
Describe how sound waves travel through a medium.
●
Explain the differences in speeds of sound through different media using kinetic
●
theory
Explain the structure and function of the human ear
●
Recall that the loudness of a sound in decibels (dB) is a measure of perceived
●
sound intensity.
Explore safe sound levels for humans and their implications for workplace and
●
leisure activities.
PS 4.2-SOUND (main reference)
STILE
Are there sounds in space?
Sound waves
The Speed of Sound
Practicals: Any ideas?
EDWA- L & S Act. 12. “The Ear” (p 123)
Sound (Quiz)
Mid-topic test on Energy, Heat and
Sound (multiple choice) -30 %
STILE
Sound > Test
PSc (9) AB 4.4 “Human hearing range”
(p 43)
STILE
Sound > Introduction
Sound > 1.1 Lesson: Sound waves
Sound > 1.2 Lesson: The speed of sound
Sound > Lesson: Career profile
STILE practical
Sound > 1.3 Practical activity: Hearing
range
Term 3
W4 & W5
&W6
Light
Recall that light is a form of electromagnetic radiation.
●
Outline the structure of an electromagnetic wave.
●
Explain the difference between mechanical and electromagnetic waves.
●
Explain the difference between longitudinal and transverse waves.
●
Describe how diffuse or regular reflection can occur when light strikes a
●
surface.
State and use the law of reflection.
●
Use the wave equation (v = f λ) to relate the speed of a wave to its frequency and its
wavelength.
Explain the process of refraction with reference to changes in the speed of
●
light.
Outline the role of the lens, retina and optic nerve in processing visual
●
information in the human eye.
Understand how lenses correct eye problems
●
PS 4.3-LIGHT (main reference)
Validation test on the EYE
dissection (15 %)
PSc (9) AB 5.1 “The Wave Equation”
(p. 54)
STILE
Light > Test
Investigation: EYE dissection
EDWA- L & S Act. 23 “Images formed by
mirrors” (p 209)
EDWA: L & S Act. 24 “Reflection” (p 215)
EDWA: L & S Act. 23.“Images formed by
mirrors” (p 209)
EDWA: L & S Act. 25 “Refraction” (p 221)
Practicals: Any more ideas?
STILE
Light > Introduction
Light > 1.1 Lesson: Light waves
Light > 1.2 Lesson: The interaction of light
with objects
Light > 2.1 Lesson: Refraction
Light > 2.2 Lesson: Lenses
Light > 2.3 Lesson: The use of lenses
Light > Lesson: Career profile
STILE practical
Light > 1.3 Practical activity: Properties of
bubbles
Term 3
W7
Final topic test (40%)
Revision
Vocabulary
energy, temperature, heat, conduction, convection, radiation, conductor, insulator, sound wave, longitudinal wave, transverse wave, crest, trough, compression, rarefaction, frequency, hertz (Hz), wavelength,
decibel, supersonic, electromagnetic wave, refraction, incident ray, angle of incidence, angle of reflection, angle of refraction, critical angle, normal, virtual image, real image, radio waves, microwaves,
infrared radiation, visible light, ultrasound, ultraviolet radiation, X-rays, gamma rays.
Assessment for the topic : Your overall performance in the topic will be determined as a composite mark out of 100 based on weightings as follows:
●
Investigation & Validation tests
30%
●
Mid-topic test
30%
●
Final topic test
40%
TOTAL
100%