Life musings(2)

My little one exploring the big world on her own, but once she meets someone or something that she feels that is seemingly threatening to her, she will come back running to me once more. 

My child is my proudest treasure, my irreplaceable priority in life. Like all parents, I will be fiercely protective of her but I will want her to be independent on her own as well, knowing that she will be alright if I were to leave this world suddenly.

________________________________________________________

On the bus yesterday, I witnessed a teenager doing a good deed by offering her seat to the elderly who was having trouble standing on the shaky bus. Instead of commending her actions, her friends who are travelling with her, surprised me by raining her with comments like ' Wei you kena possessed is it?', 'Oh my god I am so embarassed of you'. 

I am sure that they don't meant it as a joke -_- and I am no idea why do they make comments like this. Isn't it a kind and generous act that shows well of your upbringing? Whole bus full of school students sitting down, but yet only that one student is willing to offer her seat to the ones in need, doesn't it reflect much about the humanity in our younger generation. No?

Worse still, there was a student who was asked to give up his seat. His reply was epic. 

"Ooi I got pay for the bus ride so why should I stand up."

and his friends laughed along with his response.

Rendered me speechless. Haish. Have we been teaching our students the right things?

Physical Quantity O level

Try harder and that will lead you to places that you never know. You may not be academically inclined, but if you find a will, you will find a way.

Summary

O level Physical Quantity

- A physical quantity is a quantity that can be measured using an instrument.

- It consists of a magnitude(number) and a unit

- SI unit: International Standard of Unit

Base Quantities VS Derived Quantity

- Base: Length(m), Mass(kg), Time(s), Temperature(K), Electricity(A), Amount of Substances(mol)

-Derived- two more base quantities eg. speed(Distance/Time), Area(Length x Breadth) etc

Prefixes( required to know symbol, value)

- Tera

- Giga

- Mega

- Kilo

- Deci

- Centi

-Milli

- Micro

- Nano

Scalar quantity

- Quantity that only has magnitude but no direction

-Examples include: Distance, Time, Mass

Vector Quantity

-Quantity that has magnitude and direction

- Examples include, Displacement, Force, Acceleration

Addition of vectors- Tip to Tail or parallelogram method

Parallax Error- It is a human error that occurs due to the incorrect position of the human eye when taking a reading or when the object is not touching the markings of the scale

- Can be avoided

Instrumental Error- Error caused by Instruments such as vernier calipers or micrometer screw gauge due to instrumental fault.

- Zero Error can be deducted from the final measurement reading

Period of a simple pendulum- Time taken for one complete oscillation

Unit: seconds

Step 1: Swing the bob into oscillation, let the oscillation stabilise first

Step 2: Find the time taken 

for 20 oscillations

Step 3: Repeat for at least 3 times

Step 4: Find the average of the timings taken

Step 5: Divide the average by 20 to find out the time taken for 1 oscillation

Why is there a need to find the average/find 20 oscillation- To reduce Human Reaction Error that may occur during the taking of the readings using a stopwatch

Period of the pendulum is only affected by 

1. Length of the string

2. Gravitational field Strength

The End

For more detailed notes or worksheets, please contact examnofear@gmail.com.

#Lifemusings (1)

If you want something that badly in your life, do something about it instead of whining. In life, everyone is struggling with their own trouble, no one will pity you except for yourself.

Usually, the problem won't go away on its own. Stand up, Fight against it, Find a way to Win it.

You may fall again, but at least now you know that you have tried, rather than not facing it at all.

If you want the promotion in your job, earn it. Don't give yourself excuses that your boss doesn't appreciate your efforts. Don't say that your colleagues sabotage you.

If you want to achieve A1 in your studies, study hard for it. Don't tell yourself that you are weak or disinterested in that subject. Don't say you have no time.

For all the students, studying maybe a tough chore, but the attitude that you put into your education to overcome the hurdles, will guide you to your future success.

Give up or Give in.

Your choice, you decide

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O level elementary mathematics emaths checklist

Elementary Mathematics Checklist 2015

Checklist for O level Combined Physics/ Chemistry

Instead of blindly studying and memorizing, this will help you have an idea of what is required for O level examination. Hope this assists you to have a better preparation for O levels.

Few more months to Go.

Gratitude

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Physics-Dynamics

One step at a time. Perseverance is the key

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Start now for a better preparation for your examination!

O level Kinetic Particle Theory Test 1

Practice everyday, and you will see vast improvement

O level organic Chemistry test 1

Download it and practise on your own in the comfort of your own home

Exam no Fear

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