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ACSPH031

Einstein’s mass/energy relationship, which applies to all energy changes, enables the energy released in nuclear reactions to be determined from the mass change in the reaction

ACSPH033

Neutron-induced nuclear fission is a reaction in which a heavy nuclide captures a neutron and then splits into two smaller radioactive nuclides, with the release of neutrons and energy

ACSPH034

A fission chain reaction is a self-sustaining process that may be controlled to produce thermal energy, or uncontrolled to release energy explosively

ACSPH035

Nuclear fusion is a reaction in which light nuclides combine to form a heavier nuclide, with the release of energy

ACSPH036

More energy is released per nucleon in nuclear fusion than in nuclear fission because a greater percentage of the mass is transformed into energy

Electrical circuits enable electrical energy to be transferred efficiently over large distances and transformed into a range of other useful forms of energy including thermal and kinetic energy, and light.

ACSPH039

Energy is conserved in the energy transfers and transformations that occur in an electrical circuit

ACSPH040

The energy available to charges moving in an electrical circuit is measured using electric potential difference, which is defined as the change in potential energy per unit charge between two defined points in the circuit

ACSPH041

Energy is required to separate positive and negative charge carriers; charge separation produces an electrical potential difference that can be used to drive current in circuits

ACSPH042

Power is the rate at which energy is transformed by a circuit component; power enables quantitative analysis of energy transformations in the circuit

ACSPH065

Energy is conserved in isolated systems and is transferred from one object to another when a force is applied over a distance; this causes work to be done and changes to kinetic and/or potential energy of objects

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

ACSPH119

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

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