physics Archives - Page 12 of 12

Sec 3 Physics Tuition By Ex-Sch Teacher

Posted on March 7, 2013February 26, 2016 by admin

For our latest timetable, click here =>

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ORIGINAL POST(OUTDATED):

Sec 3 Physics: (Investment amt: $180 per mth).

Wed 5.45 pm to 7.15 pm;

Sat 10.45 am to 12.15 pm;

Tutor: Mr Ilyasa; M.Ed (NIE), PGDE (NIE), BSc (NUS), Ex-RI/RJC; ex-sch teacher, full-time tutor of PSLE, O and A Level Math and Physics. (h/p: 97860411)

A former secondary school teacher, Mr Ilyasa has been coaching students in ‘A’ Level (H2/H1) Physics and (H2/H1) Mathematics for more than 7 years, as well as ‘O’ Level Physics, Additional Math, Math and PSLE Math for more than 10 years. An alumnus of RI and RJC, Mr Ilyasa holds a Bachelor of Science degree with Merit from the National University of Singapore, a Postgraduate Diploma in Education with Credit from the National Institute of Education, Singapore, and a Master of Education (Curriculum & Teaching) degree also from the NIE, Singapore.

DETAILS:

Location: Blk 627 Bukit Batok Central #07-640

Average Class Size: 2-6 students

To register, kindly call or send an sms to 97860411, indicating the Student Name, the Subject and Level.

Sec 4 Physics Reflections 03/02/13 – Current Electricity

Posted on February 5, 2013February 24, 2016 by admin

Today, I asked them a few questions to improve their conceptual understanding of electricity:

(1) What is the difference between e.m.f and potential difference?

(2) What is the difference between resistance and resistivity?

(3) How do you derive the unit for resistivity?

(4) Why does the resistance of a metallic conductor increase when its temperature increases?

(5) Why is the ammeter connected in series to a resistor but the voltmeter is connected in parallel?

Some points to note:

(1) Resistance is NOT the gradient of the V-I graph.

(2) The I-V and V-I graphs of a conductor may be different and you’ll need to understand why and explain the difference.

Rgds,

Ilyasa, M.Ed, PGDE, ex-MOE Math and Physics teacher (hp: 97860411)

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For our latest timetable, click here =>

Pure Physics

Sec 4 Physics Reflections 27/01/13 – Applications of Electrostatics

Posted on January 29, 2013February 22, 2016 by admin

I wanted to proceed to Current Electricity, but the students wanted more discussion on how to answer application questions on electrostatics.

So I supplied them with quite a number of such application questions, often with confusing diagrams. The key to answering such questions is to first draw the distribution of charges on the items in the diagram, and identify which objects are conductors and which are non-conductors. For the conductors, check whether they are insulated from the surroundings.

Key points to note:

(1) Only non-conductors can be charged by rubbing (why?)

(2) Electrons can flow into and out of only conductors, and only when the conductors are in contact with other conductors (why?)

(3) A charged object can attract a neutral conductor (why?) and a charged object can also attract a neutral non-conductor (why?)

(4) Upon contact with a highly charged object, a conductor behaves differently from a non-conductor (why?)

Rgds,

Ilyasa, M.Ed, PGDE, ex-MOE Math and Physics teacher (hp: 97860411)

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For our latest timetable, click here =>

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Pure Physics

Sec 4 Physics Reflections sun1415 20/01/2013 – Electrostatics

Posted on January 21, 2013February 22, 2016 by admin

I completed the teaching of Electrostatics to this class of 6 eager boys from a top school. First I showed a video of how a home-made electroscope is used to determine the kind of charge on a rubbed insulator.

I like to link topics to real life, so I described to them one of my roles while serving NS – to attach cargo to the bottom of a helicopter in what is commonly known as “underslung” operations. But we have to discharge the helicopter first, which is flying above our heads, using a long earth wire, else we may get an electric shock.

We covered definitions, procedures and concepts such as electric field and electric field lines. I even taught them an A-Level formula, F = Qq/kr^2, so that they understand that the electric force between two charged particles is the same for both charges even though the sizes of the charge on them are different.

We also discussed answers to a challenging worksheet and true enough, the students have certain misconceptions about charges and their movement.

Next week, we’ll start on Current Electricity. It’ll be fun.

Ilyasa, M.Ed, PGDE, ex-MOE teacher

(hp: 97860411)

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For our latest timetable, click here =>

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Exam Results

My (our) students’ O-Level (2012) results released in 2013

Posted on January 10, 2013February 12, 2013 by admin

Ok la, this year I shall break tradition by posting whichever results my last year’s students inform me of. One has just come in. I will update throughout the week as I get more results (sometimes students are just forgetful).

Physics: Luke, A2 (from b4 avg, failed in sec 3 (his mum just told me), St Pat’s sch, Farkhanda, B3 (from fail avg)

Chemistry (under Mr Anthony): Charmaine A2; Bandar A2; Luke, B3; Farkhanda, B4. (from fail avg)

Science: Ben, B3.

A. Math: Ameerul, C5 (from fail avg, Yuhua sec); Loges, B3 (from C5-C6 avg, ACS(I)); Ravin, B3 (from fail avg); Rahim, B3 (from C5-C6 avg); Jin Yong, A1 (from B4 avg); Farkhanda, B3 (from fail avg).

Math: Ali Zul, B3 (from C5-C6 avg); Colin, B3 (from C5)

This year, I shall also break tradition in another way, by posting a testimonial from a student, Ravin. Below is the exact words that he smsed to me at 10.06 am on 11 Jan 2013:

“My plan is to do engineering. More to aerospace or aeronautical. I will put my first few choices as that the rest I’m still thinking. Last choice will be MI. Yes Mr Ilyasa, a lot of improvement. I did not put in a lot of effort for A-math and my sci in secondary school. In fact I was failing but I’m happy to see that I got Bs and A for my math and sci but it’s really disappointing to see a 6 for EL. Thank you for your help Mr Ilyasa. You make lesson so fun and you taught me a lot. : ) “

Well, he taught me a lot too.

Waiting for more updates from more students …..

Ilyasa, M.Ed., PGDE, full-time tutor, ex-sch teacher (h/p: 97860411)

Educational Advice, Pri Science, Sec Science

Teaching Science to kids everyday…

Posted on December 30, 2012December 30, 2012 by admin

Parents play a key role in getting children interested in Science. Science is a living subject that surrounds us everyday. There’s Science in the kitchen, the bathroom, the living room, in fact, everywhere. The following are some questions that children typically ask, or questions that parents can ask their children, so as to set their minds thinking:

(1) Why do metallic objects feel colder than wooden ones?
(2) Why does ice feel cold?
(3) Why is the air-con unit placed near the ceiling?
(4) Why do we feel cold just after taking a bath?
(5) Why does oil float on water?
(6) Why does ice float on water?
(7) Why do metal ships float on water?
(8) Why does the swimming pool appear shallower than it really is?
(9) How does a pair of spectacles work?
(10) How does a fan work?
(11) Why do we need to breathe air?
(12) Why do oranges and lemons taste sour?
(13) Why do salt and sugar melt faster in warmer water?
(14) What causes the tides in the sea?
(15) Why are we able to see the moon?
(16) Why do moving toys need batteries? What goes on in a dry cell?
(17) Why does food last longer when frozen?
(18) Can a see-saw be balanced when two people are sitting on it? How?
(19) Why does the swing stop after some time?
(20) ……………..

There are many more such questions that parents and children can think of. These questions have both vague, unscientific answers as well as the scientific ones. It is understandable that most parents have forgotten the correct answers to these questions, but this should not deter parents from learning with their children.

It would be a good idea for parents to buy or borrow a basic science encyclopedia to read with their children. Searching for information together on the internet is also a good joint activity between parents and children.

The true nature of Science is learning by thinking and exploring, observing and experimenting, making many errors along the way. It is this spirit of thinking and persistence that gives us many of the useful things that we have today, like electricity and aeroplanes. Teenagers can certainly afford to spend some time thinking about how computers or hand phones work, instead of just using them.

Ilyasa, M.Ed, PGDE, B.Sc, ex-sch teacher.

Group Tuition

Group Tuition for 2013 starts this Saturday Nov 17 onwards …

Posted on November 12, 2012February 13, 2016 by admin

TUITION CLASSES:

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EDUCATIONAL SERVICES:

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By EX-MOE TEACHERS & EXPERIENCED TUTORS

@ BLK 644, BUKIT BATOK CENTRAL, #01-68. S(650644).

CALL 65694897 OR SMS 98530744 OR 97860411.

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ORIGINAL POST(OUTDATED):

Just to remind existing students and potential students that some group tuition classes (for various subjects) commence this Saturday. Pls click on Tuition Timetable from the menu bar in the home page to find out the details.

So if you have not registered but you intend to start tuition during the school holidays so that you can have a good headstart to the academic year 2013, please register now or as soon as possible. The class sizes are from just two to six students, so places are indeed limited (not limited by policy, but by actual physical constraints).

To register, sms Student Name, Subject, Level and intended start date to 97860411.

Ilyasa

Learning, Success

Quote on Motivation …

Posted on December 21, 2011December 15, 2012 by admin

“Motivation is a fire from WITHIN. If someone else tries to light that fire UNDER you, chances are it will burn very briefly.” – Stephen R. Covey.

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Singapore Learner provides Group Tuition, Individual Tuition, Intensive Revision, Enrichment Workshops, Headstart Classes, Holiday Classes and Crash Courses at the Primary, Secondary and Junior College levels in the areas of Math, Pure Physics, Pure Chemistry, Science, Economics, and General Paper for the Singapore A-Levels, O-Levels and PSLE.

A. Math, Headstart Classes, Pure Chemistry, Pure Physics, Sec Math

New! Sec 4 Physics, Chem, Math classes starting Sun 27th Nov or 4th Dec …….

Posted on November 18, 2011February 11, 2016 by admin

For our latest timetable, click here =>

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SINGAPORE LEARNER

Singapore Learner provides Group Tuition, Individual Tuition, Intensive Revision, Enrichment Workshops, Headstart Classes, Holiday Classes and Crash Courses at the Primary, Secondary and Junior College levels in the areas of Math, Pure Physics, Pure Chemistry, Science, Economics, and General Paper for the Singapore A-Levels, O-Levels and PSLE.