Thursday, 4 November 2010
Monday, 25 October 2010
Hertz to Rolf Harris, with an appearance by Elvis
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
Saturday, 16 October 2010
Computer Astronomy for School
http://www.shatters.net/celestia/download.html
Worldwide Telescope
http://www.worldwidetelescope.org/Home.aspx
Google - Sky
http://www.google.com/sky/
SDSS
http://cas.sdss.org/dr7/en/
A sky scroll through
http://cas.sdss.org/dr7/en/tools/scroll/camcol.asp?Z=1&R=1140&C=1
Space at different wavelengths of light
http://www.chromoscope.net/
Lovely history of the Universe
http://www.historyoftheuniverse.com/index.html
Reference on Solar System
http://www.solarviews.com/eng/index.htm
Link to live sun movies
http://sohowww.nascom.nasa.gov/
Friday, 15 October 2010
Tuesday, 12 October 2010
How to write a Report
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
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
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
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
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
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Monday, 20 September 2010
Weight Mass Force
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
http://www.youtube.com/watch?v=VZVurT6ZiQY&feature=related
http://www.youtube.com/watch?v=hfrLHR41rqo&feature=related
kwhoratio kwnavalbattle
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Earthquake animations
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
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
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Wednesday, 15 September 2010
Null Hypothesis
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
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Monday, 13 September 2010
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
F18 making
http://www.youtube.com/watch?v=6BxyqFK2KRI
Cern Rap
Created with Microsoft Office OneNote 2007
One place for all your notes and information
lung topic
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
http://www.innerbody.com/anim/nasal.html
kwlung kwrespiration
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Sunday, 12 September 2010
Neutron
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
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Friday, 10 September 2010
meissner effect
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
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Thursday, 9 September 2010
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
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Tuesday, 7 September 2010
cells
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
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
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.