Acid base titration
How to make a standard solution
One of my favourite demos. Either use a 500ml measuring cylinder or in this case a 500ml round bottom flask (makes it easier to see what's happening). Add 100ml of 50% hydrogen peroxide and 10ml washing up liquid and mix thoroughly. In a separate beaker dissolve 5 grams of potassium iodide in 10ml water. (Really … Continue reading ELEPHANTS TOOTHPASTE
Year 12 Biology students successfully extracted their DNA from their own cheek cells. They followed the exact same method that would be used in a CSI forensic science investigation, to collect, separate and purify the DNA. Every student was able to see their DNA and were very excited to be able to take the sample home to show their family.
By Mr. Marc Curran, Head of Science
On Wednesday the 9th of March at 07:38am Regents International School students were lucky enough to view one of the rarest celestial events, an eclipse of the Sun.
The Sun was partially eclipsed for nearly 2 hours and at its maximum coverage, 41% was hidden from our view by the Moon.
Many students took part and viewed the event through pin hole cameras, the camera on their mobile device and most successfully by looking through a CD. All of these methods made it safe see what was happening and gave us all an unforgettable experience.
By Mr. Marc Curran, Head of Secondary Science