Introduction to Year 12 Physics

Introduction to Year 12 Physics

Zahra Pirvali

Murray Thompson


SACE Board http://www.sace.sa.edu.au/web/physics/


Motion in Two Dimensions

Topic 1: Projectile Motion

Application: Projectiles in Sport

Topic 2: Uniform Circular Motion

Application: The Banking of Road Curves

Topic 3: Gravitation and Satellites

Application: Weather and Communication Satellites

Topic 4: Momentum in Two Dimensions

Application: Spacecraft Propulsion


Electricity and Magnetism

Topic 1: Electric Fields

Application: Photocopiers and Laser Printers

Topic 2: The Motion of Charged Particles in Electric Fields

Application: The Use of Electric Fields in Cyclotrons

Topic 3: Magnetic Fields

Application: The Moving-coil Loudspeaker

Topic 4: The Motion of Charged Particles in Magnetic Fields

Application: The Use of Magnetic Fields in Cyclotrons


Light and Matter

Topic 1: Electromagnetic Waves

(LADS)

Application: Laser Airborne Depth Sounder

Topic 2: The Interference of Light

Application: Compact Discs

Topic 3: Photons

Application: The Use of X-rays in Medicine

Topic 4: Wave Behaviour of Particles

Application: Electron Microscopes


Atoms and Nuclei

Topic 1: The Structure of the Atom

Application: Lasers

Topic 2: The Structure of the Nucleus

Application: The Production of Radioisotopes

Topic 3: Radioactivity

Application: Positron Emission Tomography

(PET)

Topic 4: Nuclear Fission and Fusion

Application: Fission Nuclear Power

Introduction to Year 12 Physics http://www.youtube.com/watch?v=h2I8AoB1xgU


If there is no air between Earth and Mars what does the rocket push against to get to Mars?

If almost all of the fuel is used to escape the Earth’s gravity, how can the rocket make all the way to Mars?

How do they calculate the orbits around Earth and

Mars?

What keeps a satellite in orbit? What is weightlessness?

How can they work out how much force is required to slow the capsule down in 7 minutes? What is 7g?

What alternatives can be used to power a space craft?

Welcome to Stage 2 Physics

Text

Physics KEY IDEAS Parts 1 & 2 (3 rd edition)


Skills and Assessment Tasks 30%

Investigations Folio 40%

Practical Investigations

Issues Investigation

External examination 30%


You are expected to do about 4 hours of work in Physics per week in addition to programmed time.


1 ½ hours -weekly assignment

1 ½ hours -studying and learning from texts and notes etc

1 hour - Information Search, practical preparation, essays etc

This is a rough guide only.

• https://www.youtube.com/watch?v=cArihD

TnOZg&index=4&list=PLEDWnfmz-

B8FJjRk7liyeNEvdeO3FdOPU


Energy

The curriculum statement assumes that the student has had a thorough introduction to the concept of energy and its conservation. Specifically, students should be familiar with the expressions for work (including examples in which the force is at an arbitrary angle to the displacement), kinetic energy, and gravitational potential energy. Energy conservation should have been considered using as large a number of practical situations as possible. Students should understand and be able to distinguish between elastic and inelastic collisions.


Section 1: Motion in Two Dimensions

Position in one dimension.

Displacement as change in position.

Distinction between displacement and distance travelled.

Average and instantaneous velocity in one dimension.

Graphs of position versus time and velocity versus time.

Acceleration in one dimension.

Vertical free fall under gravity.


Gravitational force (F = mg near the Earth’s surface).

Equations for constant acceleration in one dimension.

Scalar quantities and vector quantities.

Representation of vector quantities by scale diagrams.

Vector addition and subtraction.

Components of velocity and acceleration.

Period.

Tension.

Normal force.


Inertia and Newton’s first law of motion.

Newton’s second law of motion in one dimension.

Net force in two dimensions as the vector sum of the forces acting on an object.

Components of a force in two dimensions.

Newton’s third law of motion.

Distinction between mass and weight.

Momentum and its conservation in one dimension.


Section 2: Electricity and Magnetism

Electric charge.

Conductors and insulators.

Ionisation.

Electric current as a flow of charge (I = q/t).

Conventional current.

Potential difference and current in series and parallel circuits.

Measurement of potential difference and current.

Resistance (R = V/I).

Electric power (P = VI).


Section 3: Light and Matter

Transverse and longitudinal waves.

Frequency.

Wavelength.

Polarisation.

Wave-front.

Partial reflection and partial transmission of light.

Regions of the electromagnetic spectrum.


Section 4: Atoms and Nuclei

Simple nuclear model of the atom.

Chemical elements


Assumed Knowledge of Mathematics

Rearrangement of algebraic equations.

Equation of a straight line (including gradient and y intercept).

Definition and use of sine, cosine, and tangent in right-angled triangles.

Solution of quadratic equations.


Pythagoras’ theorem.

Direct and inverse proportionality.

Distinction between proportionality and linear dependence.

Relation between circumference and radius of a circle.

Meaning of the term ‘complementary angles’.


Text

Physics KEY IDEAS Parts 1 & 2 (3 rd edition)


• Skills and Application Tasks ..……30 Marks

This includes all the Tests and a portion of the mid-year Exam

• Folio Tasks…………………………40 Marks

This includes all the Practical work + Issues investigation

• External Examination……………....30 marks

TOTAL 100 Marks


You are expected to do about 4 hours of work in Physics per week in addition to programmed time.


1 ½ hours -weekly assignment

1 ½ hours

-studying and learning from texts and notes etc

1 hour - Issues Investigation, practical preparation, etc

This is a rough guide only.


It is most important that you recognise that if students work cooperatively as a group, learning from one another, then they should all perform better in the final examination and your school based marks will be moderated upwards. This cooperation makes the learning good fun and they will all benefit.


 understanding information

 the formulation of a specific question

 getting information from a variety of sources - not just the internet

 appropriate acknowledgment of the information sources see your diary

 relating physics ideas

 organising and interpreting physics ideas

 communicating physics ideas

 use of terminology and notation

 evaluating information critically

Introduction to Year 12 Physics

Introduction to Year 12 Physics

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