Monday 25 October 2010

Hertz to Rolf Harris, with an appearance by Elvis

Our own Rolf Harris shows us his "Dipole" Wobble Board antenna,



3D antenna field pattern



http://www.youtube.com/watch?v=ZKCB2V4IGL8&feature=related



Bedroom Hertz Radio Setup



now play with your own dipole

http://www.falstad.com/wavebox/

Now look at an atom which a mini wobble board.

http://www.falstad.com/qmatomrad/

Important points, EM waves get detached from antenna and the spark is just a switch.  This effect can be scaled down to atoms for light emmission.  The sparks were also the first detection of the photoelectric effect. 

Wednesday 20 October 2010

Electrostatics for I2I


worksheet for 10 Electrostatic.r -

Electrostatic Demonstator
http://www.falstad.com/emstatic/

magnetics Demonstator
http://www.falstad.com/vector3dm/

hands on electric field
http://phet.colorado.edu/sims/charges-and-fields/charges-and-fields_en.html






Friday 15 October 2010

Discharges

Ideas to Implementations

Tuesday 12 October 2010

How to write a Report

There are alot of articles on "How to write a report" http://www.wikihow.com/Write-a-Report However, these deal with mechanics and process of writing, without first setting up what a Report.  It is like telling someone "How to build a car" without first ensuring they know what a car is, transportsystems and how the car fits in verses bike, buses, walking etc.

Examples of Reports:

School Reports - Features: Formal authorative record, a fair measure of performance, expert interperation, clearly identified who and when, details on author.

Termite Report - Formal authorative record, a measurement performed to a standard, and expert interpretation, clearly identified property and time, details of the reporter and certification.

Telephone Bill - Formal authorative record, verifiable record of calls and charge, result and call for action and options to clearly identified audiance, indication of the authenicity of reporting body

Blood Report - Formal record, Expert interpretation, details supporting the authority, date and patient identified.

Other Reports: Weather, Financial, Car roadworthy

Summary:
Reports have a message required by an audiance that can authorative interpetation, and often justified options to follow.

So how do reports fit into current society?

Reports have become really imbedded in Commerce and the Rule of Law. Companies have strict reporting requirements to the stock market.  The rule of law means that people in society are committed to follow and be protected by laws. A traffic fine is a type of report woven in with the law. A murder will be sent to prison based of forensic reports generated by police. In the middle ages witches were thrown in the water to prove if they were authetic.

How do reports fit in the practice of Science?

Reports are quality Science communications used by Scientists and society to function.  There are really three levels of communication.
1) Logs, these are traceble,testable records, relating to a specified procedure.
2) Reports, interpret logs using accepted Scientific Explanations
3) Research Papers, seek to advance Scientific Explanations by describing new answers.

Logs are automatic and the output of experiments.
Reports Scientifically interpret Logs, and may look at experiments.
Research Paper report or comment on new knowledge, and only at this level is there a "Hypothesis". In this style of Research Paper a situation is descrbed, a questioned asked, a test able answer is proposed, and a report written on Experiments carried out.

In the Year 8 experiment you built a ECO house and subjected this to several tests.  A basic report would explain the cost and time to build it, in addition how it performed under conditions. The report you have been asked produce has been given an education outcome marking scheme.  It is a report not on the ECO house but on the building and learning process. The marking scheme is a report on your report!

Lets look at some of the marking guidelines

4.2 uses examples to illustrate how models. theories and laws contribute to and understanding of phenomina.
Translation: "Describes how their model contributes to an understanding of phenomina."

4.2 really refers to a conceptual model, like the particle model for gases.  The model in the translation refers to the small scale model that the student built. To answer this you would have to, for example, how building you model better able you to understand how window size effects heating of a real house.

4.3 requires you to link and everyday life effect that has been affected by everyday developments.  It might be the ability to build more unusual houses using computer design.

4.12.requires you to explain how your house has been built around ideas bases on our modern technology or requiring technological knowhow.

and so forth

of note for 4.20 and 4.40 you have to talk about your strategies, and why you chose some.

Saturday 9 October 2010

ESSA test at PHS

ESSA stands for:

Essential Secondary Science Assessment (ESSA)

and has been running for a number of years in NSW public schools. It tests the syllabus and by having a graded marking system looks at the depth of Science learning and quality teaching across the state.

In WEEK 1A term 4 all year 8 Students will have a practice test in computer labs.  They will watch a short flash video of an experiment and conduct scientific analysis. 

For this you will require:
1) a Ear Bud as used in Ipods to hear the audio from the computer.
2) pencil, rulers and calculators as they would use in a school laboratory.

You will have a USERNAME and Password.

In WEEK 2A Thursday 21 October Term 4 you will conduct the actual test.

As this is the first year the test is conducted wholely online, only a select number of schools across the state will participate in the pilot

kwESSA

Wednesday 29 September 2010

Foodweb

http://www.schools.utah.gov/curr/science/sciber00/8th/energy/sciber/chains.htm

Foodchain Game

http://www.ecokids.ca/pub/eco_info/topics/frogs/chain_reaction/index.cfm

Ecology Song

Write  out the lyrics


Rules for food chain/Web

1. Start with sun
2. Arrow follow flow of energy
3. Bottom of  page PRODUCER name and pencil out line (Recommend label P.1, P.2 etc)
4. Next first level CONSUMER ( 1C.1, 1C.2...)
5  Next Higher level CONSUMER (2C.1, 2C.2...  3C.1.....4C.1)
6. Next Scavanger
7. Next Decomposers

SPCSD

kwfoodchain kwfoodweb

Tuesday 28 September 2010

Greenhouse effect

A good diagram of the greenhouse effect

http://earthguide.ucsd.edu/earthguide/diagrams/greenhouse

Bookwork create a table detailing the greenhouse effect

Interactive planet slide showing the century of change.

http://climate.nasa.gov/ClimateTimeMachine/climateTimeMachine.cfm

Spongebob on Carbon - greenhouse     


Al gore inconvient truth Cartoon


National Geographic more 3d interactive greenhouse effect

http://environment.nationalgeographic.com/environment/global-warming/gw-overview-interactive.html

Good link with wavelength vis in ir out

http://www.absorblearning.com/media/attachment.action?quick=9j&att=678

Phet sight looks a photons and shows what happens

http://phet.colorado.edu/en/simulation/greenhouse

Showing earth when the life starts draws out GHG and creates ice age

http://www.johnkyrk.com/evolution.swf

kwgreenhouse kwco2 kwcarbondioxide kwspongebob

Tuesday 21 September 2010

`cell diagram - cell parts

Simple cell diagram showing difference between plant and animal
http://msdixon.com/images/cells.gif
Excellent Cell activity
http://www.schools.utah.gov/curr/science/sciber00/7th/cells/sciber/intro.htm
Cell Table
http://www.schools.utah.gov/curr/science/sciber00/7th/cells/sciber/orgtable.htm
kworganelle kwcell
**********************************************************************
This message is intended for the addressee named and may contain
privileged information or confidential information or both. If you
are not the intended recipient please delete it and notify the sender.
**********************************************************************

Monday 20 September 2010

Weight Mass Force

Year 11 Review

Newtons Laws

N1 - F = 0 then a = 0, v = constant

N2 - Sum F = m x a , a = dv/dt acceleration in the direction of travel, a = v^2/r tangental acceleration
(defines both mass and force)
Units m kg, a ms-2,
applies to a body,
Multipy F= ma by d, d = (v+u)/2 x t

N3 - F12 = -F21,
applies to body contact B1 with B2, a system
Multipy F = ma by t, Ft = I = m(v -u)/t x t , Impulse = change in momentum



Year 12 Concepts

Weight
Symbol: W (vector)
Definition: Force caused by gravity - caused by the proximity to a mass.
Unit: newton N
Weight on Mars, refers to the Normal force measured by scales on the surface of Mars

Mass
Symbol: m, M for a Planet
Definition: Indirect from F = ma, W = mg, (E=mc^2 & Quantum Mechanics)
Unit: kg

gPlanet
Symbol: g for earth on surface (g = 9.8 ms-2), all others require subscript (vector)
Definition: acceleration of a mass on surface of a planet
Unit: ms-2

reaction Force
Symbol: N (vector) - Normal force on a flat surface
Defintion: reading of scales, often called mistakenly weight, N = 0 of freefall is call "weightlessness"
Unit: newtons (N)

g-measured
Defintion: What is recorded by a g measuring apparatus, and will vary from g due to altitude, Moon, Sun, spin of earth, gravitional anomolies
Unit:ms-2

g-force
Definition: N/Wearths surface
Unit: none - a ratio
Humans can only experiance a maximum g-force, g-force = 0 is free fall or weightlessness


kwnewtonslaw kwg-force kwgravity

Thursday 16 September 2010

naval battle

master and commander

http://www.youtube.com/watch?v=VZVurT6ZiQY&feature=related

http://www.youtube.com/watch?v=hfrLHR41rqo&feature=related

kwhoratio kwnavalbattle
**********************************************************************
This message is intended for the addressee named and may contain
privileged information or confidential information or both. If you
are not the intended recipient please delete it and notify the sender.
**********************************************************************

Earthquake animations

PBS explanation site

http://www.pbs.org/wnet/savageearth/animations/earthquakes/index.html

Tsunami Gif

http://staff.aist.go.jp/kenji.satake/animation.gif

map of latest quakes

http://earthquake.usgs.gov/

animation of faults and earthquakes

http://earthquake.usgs.gov/learn/animations/

youtube of tsunami

http://www.youtube.com/watch?v=4Xebwzb3dDE

Chile Earthquake

http://www.openculture.com/2010/03/earthquake_waves_in_animation.html

make your own earthquake

http://aspire.cosmic-ray.org/labs/seismic/index.htm

build bay bridge and test it in an earth quake

http://www.eduweb.com/portfolio/bridgetoclassroom/

kwearthquake kwbridge

Bay bridge simulation

http://baybridgeinfo.org/earthquake-simulation
**********************************************************************
This message is intended for the addressee named and may contain
privileged information or confidential information or both. If you
are not the intended recipient please delete it and notify the sender.
**********************************************************************

Wednesday 15 September 2010

Null Hypothesis

Summary MMX measured nothing, in a valid experiment: Example of invalid would be due to some error:

A scientific hypothesis is a testable explanation of an observed phenomina http://en.wikipedia.org/wiki/Hypothesis

In development of an argument or line of thinking a hypothesis is a proposition, that has consequences. for instance one can consider several "What if" unrealistic hypothesis.

The orgin of the word put into simple english is " I make the hypothesis" = "I suppose" = "An educated guess"

All scientific experiments produce measurements and data. They are used to test apparatus and techniques, formulate reports, and test hypothesis. So I would argue that not all scientific experiments require hypotheses.

Statistical hypothesis is a term used in the interpretation of statistical relationships between phenomena. In this form there are two sub types of hypothesis. Null and alternative. Null is there is no relationship. The results can prove or disprove the null, or be inconclusive. If the critea is determined after the experiment the experiment is invalid.

MMX was not testing a Statistical Hypothesis, it produced a Null Result which means they measured nothing.

"Null result" means expecting to find something, but after checking everything was plugged in definitely found nothing and disproved the aether wind. http://www.bookrags.com/research/michelson-morley-experiment-wop/

this is another source http://www.drphysics.com/syllabus/M_M/M_M.html


kwnull kwmichelson kwmmx

**********************************************************************
This message is intended for the addressee named and may contain
privileged information or confidential information or both. If you
are not the intended recipient please delete it and notify the sender.
**********************************************************************

Monday 13 September 2010

Pet scan

 

Created with Microsoft Office OneNote 2007
One place for all your notes and information

lung topic

Blood Breathing Waste

http://www.edhelper.com/teachers/health_Respiratory_System.htm
worksheet


lung operation

http://science.nationalgeographic.com/science/health-and-human-body/human-body/lungs-article.html
interactive

http://www.youtube.com/watch?v=fJM-fDl-Hbo
Lung tour

actual lung inflating



fly through of lung  http://www.youtube.com/watch?v=fJM-fDl-Hbo

Lung tour  http://www.youtube.com/watch?v=Nw9eT3l_3qw&feature=related


Prezi<  http://prezi.com/p8ahkdondizl/year-8/>





cow lung inflating

human lung inflating
http://www.youtube.com/watch?v=RmMcqnXqrvA&feature=related
vocal cords
http://www.youtube.com/watch?v=ajbcJiYhFKY&feature=related

Brilliant animation of a aveoli micro balloons inflating
http://www.youtube.com/watch?v=01Fxa4MjRtw&feature=related








kwlung kwyear8 kwworksheet kwtutorial
kwvideo

respiration

animation of air rerouted for scent

http://www.innerbody.com/anim/nasal.html

kwlung kwrespiration
**********************************************************************
This message is intended for the addressee named and may contain
privileged information or confidential information or both. If you
are not the intended recipient please delete it and notify the sender.
**********************************************************************

Sunday 12 September 2010

Neutron

Neutron worksheet from Anstro

http://www.ansto.gov.au/__data/assets/pdf_file/0007/8863/PhysicsLR.pdf

kwneutron kwworksheet

basic outline video of chadwick's discovery

A 3d animation of neutron creation
http://www.youtube.com/watch?v=DTnCkcVOKSE

Chandwick history
http://www.youtube.com/watch?v=oKM8uJrcmyk&feature=related

kwvideo

Simple Neutron water detector

http://wapedia.mobi/en/Neutron_probe
**********************************************************************
This message is intended for the addressee named and may contain
privileged information or confidential information or both. If you
are not the intended recipient please delete it and notify the sender.
**********************************************************************

Friday 10 September 2010

meissner effect

maglev train

http://www.youtube.com/watch?v=GHtAwQXVsuk

kwideastoimplementation kwi2i kwmeissner kwbcs kwsuperconductor

meissner effect showing lifting of magnet

http://www.youtube.com/watch?v=c3asSdngzLs&feature=related

Type 2 is mixed state Miessner effect.

http://hyperphysics.phy-astr.gsu.edu/hbase/solids/meis.html#c4

BCS theory does not explain Miessner effect

http://www-physics.ucsd.edu/~jorge/meissner.html

HSC grade explanation showing classical electrons and saggy lattice

http://www.superconductors.org/oxtheory.htm

kwhsc kwcooperpair

Absolute Zero - is a great documentary on the quest to go to lower temps, and Bose Einstein Condensates
**********************************************************************
This message is intended for the addressee named and may contain
privileged information or confidential information or both. If you
are not the intended recipient please delete it and notify the sender.
**********************************************************************

Thursday 9 September 2010

Blood Breathing Waste

http://www.edhelper.com/teachers/health_Respiratory_System.htm worksheet
http://www.youtube.com/watch?v=mLiLVtsff5k&feature=related lung operation
http://science.nationalgeographic.com/science/health-and-human-body/human-body/lungs-article.html interactive

http://www.youtube.com/watch?v=fJM-fDl-Hbo Lung tour
http://www.youtube.com/watch?v=Nw9eT3l_3qw&feature=related actual lung inflating

<a href="http://<http://prezi.com/p8ahkdondizl/year-8/>prezi.com/<http://prezi.com/p8ahkdondizl/year-8/>p8ahkdondizl/year-8/<http://prezi.com/p8ahkdondizl/year-8/>" target="_blank">Prezi</a>

kwlung kwyear8 kwworksheet kwtutorial
**********************************************************************
This message is intended for the addressee named and may contain
privileged information or confidential information or both. If you
are not the intended recipient please delete it and notify the sender.
**********************************************************************

Tuesday 7 September 2010

cells

great imaging site
http://www.exploratorium.edu/imaging_station/index.php
detailed video
http://www.youtube.com/watch?v=quOoax5RASk&feature=related


view of antibodies blocking a cell
http://www.youtube.com/watch?v=lrYlZJiuf18&feature=channel
bodies killer cells great video
http://www.youtube.com/watch?v=KiLJl3NwmpU&feature=channel
History of time showing cells evolve kwevolution kwtimeline kwhistory
http://www.johnkyrk.com/evolution.swf
Cell diagram
http://www.rkm.com.au/CELL/animalcell.html  + large resource at http://www.celldiagram.net/
youtube on organelle
http://www.youtube.com/watch?v=fNyq4A08mTo  kworganelle
youtube on virus working on cell
http://www.youtube.com/watch?v=Rpj0emEGShQ&feature=related
Youtube showing mini robots in cell making a virus
http://www.youtube.com/watch?v=9leO28ydyfU&feature=related
Complex anthrax video
http://www.youtube.com/watch?v=T1mlakCyscM
Malaria video
http://www.youtube.com/watch?v=OEDhe4MPEMc&feature=related
kwyear7
kwcell
kwvideo
kw7sep2010

lessons on Pet Scan

Pet scan
http://www.youtube.com/watch?v=QZQq7chGoO4
Sort of detail from a Pet Scan
http://www.youtube.com/watch?v=8Gs38KqpKKU&feature=related
More detail look at PET
http://www.youtube.com/watch?v=J9pOTlC3IJg&feature=related
Positron F 18
http://www.youtube.com/watch?v=xQVMrkJYShc
How a cyclotron works
http://www.youtube.com/watch?v=lUsuwJ9gPTU&feature=related
F 18 making just a fantastic video
http://www.youtube.com/watch?v=6BxyqFK2KRI

Cern Rap - good summary of SM - SS
http://www.youtube.com/watch?v=j50ZssEojtM




kwhsc
kwlesson7sep2010
kwcyclotron
kwquanta

Wednesday 1 September 2010

Tide lesson

Prior Knowledge
Write: Tides dot points/ What you know, Importance, Experiance, Cause, Use of energy, Tidal flats.

Hand out the worksheet, and say not to fill in, but write notes, then fill in from book notes

Ask how many tides a day?

Explain
0. Gravity works on Mass, and closeness.
1. Gravity is a force that changes direction of motion into a circular orbit.
2. near moon or sun there is too much and ocean falls towards sun/moon
3. other side gravity too little and matterial would prefer to travel in a straight line into space.


Thus tidal force is a ripping appart force

Show website

Take notes to explain as many features as possible.

Review work sheet

Get to fill in work sheet.