Friends!!!!!!!!!!!! Get ready!!!!!!!!!!! for science quizzing..!!!!!!!!!!!!!!!!!!!!!!!!

1. In 1787, Carl Axel Arrhenius found a previously unknown mineral near the town of Ytterby, Sweden, and decided to call it ytterbite.

In 1789, a Finnish chemist, ______, discovered a new metal in ytterbite and called it ytterbium. Incidentally, this chemist has another metal named after him. Name him.

2. It was the 451{+s}{+t}birth anniversary of the Flemish mathematician Adriaan van Roomen on September 29.

In 1593, he set the world record for finding the then-most precise value of a very famous number. What is the number called?

3. USA has a large stockpile of nuclear missiles, many of which possess a plutonium warhead. However, instead of periodically testing the capability of the warheads, the country relies on a special gun called JASPER owned by the Lawrence Livermore National Laboratory to safely simulate how a plutonium-bomb would explode.

What does the “A” in JASPER stand for? Hint: It is a class of metals of which plutonium is a path.

4. Name the Indian mathematician awarded the prestigious Infosys Prize for Mathematical Sciences in 2011.

5. On September 28, China deployed its first aircraft-carrier; it is named Liaoning . It is 304 metres long, 75 metres wide, and weighs a maximum of 55,000 tons.

Its hull was purchased from Ukraine in 1998. The Liaoning holds the ominous distinction of being one of only two ships of which class of ships? Hint: The other ship in this class is also the name of the class itself!

6. The ______ meteorite crashed on Earth between 10,000 and 20,000 years ago. On September 26, it was found that a small Tibetan sculpture called the ‘Iron Man’ may have been made from a piece of rock from that meteorite. The statue currently resides in Germany after the Nazis brought it from Tibet during World War II.

7. Which undersea animal, exhibiting features of both octopuses and squids, is the only one to consume dead organisms? All other octopuses and squids go for living prey. Hint: It has an evil-sounding name!

8. Which popular science magazine is the oldest continuously-published magazine in the United States of America?

It has a publication history going back 167 years, and many famous scientists, like Albert Einstein, have written articles for it!

9. September 27, 2012, marked the 50{+t}{+h}anniversary of which famous book written by Rachel Carson that is widely considered to have kickstarted the modern environmental movement?

10. The Curiosity rover on Mars has 17 cameras mounted on it: eight HazCams, four NavCams, two X s, one ChemCam, and two called MAHLI and MARDI. X is the camera responsible for the high-resolution pictures taken of Gale Crater, the crater in which the rover is studying the red planet from. Name X .

 Here are your answers.......

 ANSWERS1. Johan Gadolin 2. Pi; van Roomen found the value of pi to 15 decimal places 3. Actinide 4. Dr. Kannan Soundararajan 5. Admiral Kuznetsov class 6. Chinga meteorite  7. Vampyroteuthis infernalis – “Vampire squid from Hell”! 8. Scientific American                  9. Silent Spring   10. MastCam