Nik's IGCSE Physics

Monday, 12 September 2011

Correct Answer for Topic Keywords

Test on all keywords next lesson. Credits available for excellent scores on test!

Option 1: Visual learners – Test yourself.
o Cover up the keywords, read the definitions, write down the keyword, check the spelling.

Option 2: Auditory learners – Test each other.
o Ask your friends or a member of your family to read out the definitions. You answer by giving them the answer and the correct spelling.

Option 3: Kinaesthetic learners – Online Games
o Play keyword tests @
o http://www.patana.ac.th/LearningObjects/%7B6B1B5FCC-5C7F-4006-879F-8AB0242337...
o http://www.patana.ac.th/LearningObjects/%7B13E1C74F-83AE-48D4-85EF-A14ADC441F...
o http://www.patana.ac.th/LearningObjects/%7B77B26252-136C-4160-9BAD-A34666E3DD...
o Don’t forget to do the crossword to practice your spelling!

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Thursday, 8 September 2011

4.12

10 June 2011

11:52
· 4.12 recall and use the relationship:

kinetic energy = ½ × mass × speed2

KE = ½ × m × v2
>

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KE formula.ppt Download this file

See the full gallery on Posterous

4.11

10 June 2011

11:52
· 4.11 recall and use the relationship:

gravitational potential energy = mass × g × height

GPE = m × g × h

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GPE formula.ppt Download this file

4B2 highest to lowest GPE.swf Download this file

4B2 GPE calculation of car moving downhill.swf Download this file

See the full gallery on Posterous

Wednesday, 7 September 2011

Tell the person next to you...
· Imagine pushing a king sized bed from one side of the classroom to the other
· Would it make you feel tired?
o Yup!
· Would you have to work hard to push it?
o Yup!
· What could you change so you have to do less work pushing?
o Anything that decreases the force needed (reduce friction by putting wheels on it, ice under it, etc)
o Anything that decreases the distance travelled (only push it half way!, etc)
o So the formula for work must contain force and distance

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