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ACSPH066

Collisions may be elastic and inelastic; kinetic energy is conserved in elastic collisions

ACSPH067

Waves are periodic oscillations that transfer energy from one point to another

ACSPH070

Mechanical waves transfer energy through a medium; mechanical waves may oscillate the medium or oscillate the pressure within the medium

ACSPH073

A mechanical system resonates when it is driven at one of its natural frequencies of oscillation; energy is transferred efficiently into systems under these conditions

ACSPH096

When a mass moves or is moved from one point to another in a gravitational field and its potential energy changes, work is done on or by the field

ACSPH105

When a charged body moves or is moved from one point to another in an electric field and its potential energy changes, work is done on or by the field

ACSPH111

Conservation of energy, expressed as Lenz’s Law of electromagnetic induction, is used to determine the direction of induced current

Select, construct and use appropriate representations, including text and graphic representations of empirical and theoretical relationships, simulations, simple reaction diagrams and atomic energy level diagrams, to communicate conceptual understanding, …

ACSPH134

The concept of mass-energy equivalence emerged from the special theory of relativity and explains the source of the energy produced in nuclear reactions

ACSPH135

Atomic phenomena and the interaction of light with matter indicate that states of matter and energy are quantised into discrete values

ACSPH136

On the atomic level, electromagnetic radiation is emitted or absorbed in discrete packets called photons; the energy of a photon is proportional to its frequency; and the constant of proportionality, Planck’s constant, can be determined experimentally …

ACSPH139

The Bohr model of the hydrogen atom integrates light quanta and atomic energy states to explain the specific wavelengths in the hydrogen spectrum and in the spectra of other simple atoms; the Bohr model enables line spectra to be correlated with atomic …

ACSPH140

On the atomic level, energy and matter exhibit the characteristics of both waves and particles (for example, Young’s double slit experiment is explained with a wave model but produces the same interference pattern when one photon at a time is passed through …

ACSPH145

Variations of reactions can be found by applying symmetry operations to known reactions. These include reversing the direction of the reaction diagram (time reversal symmetry) and replacing all particles with their antiparticles and vice versa (charge …

ACSPH146

High-energy particle accelerators are used to test theories of particle physics including the Standard Model

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