Articles written by Farrah Tahar

What is Helium

About me - Farrah Tahar

I've been teaching chemistry in a secondary school in Singapore for the last 2 years. I graduated from the National University of Singapore with a degree in Chemical Engineering before moving on to get my Diploma in Education in the National Institute of Education.

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Style & Beauty > Makeup Guide to mineral makeup: 4 of 13
Mineral makeup has been making a comeback very recently, judging by the influx of advertisements in women's magazines and on the television for various makeup brands and their new mineral makeup lines.Mineral makeup may look to be a new development when in fact the earliest cosmetics ever used could have been considered miner... More..
Style & Beauty > Skin Care (Other) The different skin types: 1 of 3
Before you buy any cosmetics or skin care products, you need to identify your skin type. Beauty product manufacturers now carry different ranges of products tailored to the needs of different skin types, so you need to be aware which products would benefit your skin the most.There are 5 basic types of skin: normal, oily, dry,... More..
Sciences > Chemistry The chemistry of firework colors: 4 of 8
The use of fireworks dates back to 12th century China, where the loud bangs produced were used to scare away evil spirits. In modern times, fireworks are used to commemorate and celebrate significant events. There are also various competitions worldwide for pyrotechnicians to showcase their skill in producing dazzling display... More..
Style & Beauty > Makeup Product review: Everyday Minerals Foundation: 2 of 4
Everyday Minerals is an internet-based company selling mineral makeup at very affordable prices. I came across the website while doing a search on mineral makeup as I needed to get away from using the conventional drugstore brands which caused my face to break out in pimples and clogged pores.I had such fun looking through th... More..
Parenting & Pregnancy > Working Parents Working mothers raise working daughters.: 2 of 4
I am a working woman, who will be a mother in three months. My mother was a stay-at-home mum who quit her job to look after me my entire childhood as well as my two younger brothers when they came along. By virtue of the fact that my "non-working" mum raised a working mother, I'd have to say that I don't necessarily agree wit... More..
Sciences > Chemistry The chemical properties of zinc: 2 of 4
Zinc is a metallic chemical element with the symbol Zn and atomic number 30. In non-scientific context, it is also known as spelter.In appearance, zinc is a blue-gret metal. It is moderately reactive and tarnishes easily if exposed to air due to a chemical reaction with the water vapour in air to produce zinc hydroxide. It al... More..
Sciences > Chemistry How to grow Epsom salt crystals: 1 of 2
Epsom salt (magnesium sulphate) crystals are among the easiest and fastest to grow using equipment available in any science laboratory and even in your own home. Epsom salt itself is readily and cheaply available in most pharmacies.To grow your epsom salt crystals you will need:1) 1/2 cup of epsom salt2) 1/2 cup hot water (ab... More..
Sciences > Chemistry How to make a red cabbage juice PH indicator: 1 of 2
Red cabbage contains flavin, a water-soluble pigment found in various foods such as apple skin, plums and grapes. The color of this pigment responds to changes in hydrogen ion concentration, making it a useful pH indicator. While not entirely accurate, an approximation of the pH values of various solutions can be determined b... More..
Style & Beauty > Makeup Makeup tips: How to apply mineral makeup: 1 of 1
Mineral makeup application is somewhat different from applying normal makeup. This is because most mineral makeup comes in the form of loose powders, as compared to normal makeup which often come in the form of creams or gels. Mineral makeup also tends to be very pigmented, hence the powders need to be very thinly and evenly ... More..
Parenting & Pregnancy > Pregnancy What is amniocentesis?: 1 of 1
Amniocentesis is a medical procedure used in prenatal diagnosis to detect genetic abnormalities and fetal infections during pregnancy. This procedure is also commonly known as the amniotic fluid test.During the procedure, a needle is inserted through the mother's abdominal wall or through the vagina, then through the wall of ... More..