science - Page 2

Princess Royal · #11 Sunday, December 09, 2007

106. What colour is produced by adding the primary colours of yellow and cyan?
Green.

107. Which psychologist differentiated people according to the types extroverted and introverted?
Carl Jung.

108. Which Scotsman invented hard road surface?
John McAdam.

109. Sodium produces which colour in fireworks?
Yellow.

110. Which disease, carried by bark beetles, was first described in The Netherlands in 1919?
Dutch Elm Disease.

111. Prior to 1930, what was the world’s highest building?
The Eiffel Tower.

112. What did Sir Frank Whittle invent in 1930?
The jet engine.

113. What was innovative about a pencil patented in 1858 by Hyman L. Lipman?
It had an attached eraser.

114. Which French philosopher and mathematician said: Cogito ergo sum (‘I think, therefore I am’)?
Rene Descartes.

115. Which is the heaviest of the noble gases: neon, xenon or radon?
Radon.

116. How is deoxyribonacleic acid better know?
DNA.

117. What is measured in dynes: power, force or velocity?
Force.

118. On what area of the moon did Armstrong, Aldin and Collins make their landing on July 20, 1969?
The Sea of Tranquility.

119. What did the American physicist Benjamin Spock specialize in the care of?
Babies.

120. Which Italian scientist had to face an inquisition and recant his views?
Galileo.

121. What is the name of the theory that the universe originated with a huge explosion?
Big Bang Theory.

122. What life-saving device was patented in 1872 by Thomas J. Martin?
The fire extinguisher.

123. What was the profession of Thomas Newcomen, who in 1712 constructed an early steam engine?
Blacksmith.

124. What is the name of the one-sided closed surface formulated by a German mathematician whose name it now bears?
Kelin bottle.

125. What element has symbol Sn?
Tin.

126. In the metric system what word/prefix stands for 10?
Deca.

127. What home and office comfort , used especially on hot sticky days, was invented by Willis Havilland Carrier?
Air conditioning.

128. The American microbiologist Albert Bruce Sabin discovered a vaccine for which disease?
Polio.

Princess Royal · #12 Tuesday, December 11, 2007

129. Who invented the sliding-scale rule which bears his name and which can measure accurately to two decimal places?
Pierre Vernier.

130. What are Bq, Gy and Su units of?
Radiation.

131. What was invented in 1827 by John Walker, an English chemist, and sold for half a crown per bow of fifty?
Matches.

132. What is the name given to the halo of light around the sun and moon?
Corona.

133. What are 1,148,576 bytes called?
Gigabyte.

134. What was invented in 1938 by a Hungarian called Lazlo Biro?
The ballpoint pen.

135. What is the heaviest of all the naturally occuring elements?
Uranium.

136. The ratio of the circumference of a circle to its diameter is donated by which Greek letter?
Pi.

137. What was developed shortly before World War II by a British team led by Sir Robert Watson-Watt?
Radar.

138. Which element, atomic number 74, has the symbol W?
Tungsten.

139. What instrument, which demostrates the rotation of the earth, was invented by the French scientist Jean Bernard Foucault?
Foucault's pendulum.

140. What are fitted to helicopters so they do not twist with the rotor blades?
Tail propellers.

141. What scale measures the hardness of minerals?
Mohs scale.

142. ...and on this scale, which is the hardest mineral?
Diamond.

143. ...and which is the softest?
Talc.

144. What alloy contains 63 percent iron and 35 percent nickel?
Invar.

145. What is the name of the layer of the earth's atmosphere which begins at about seven miles, or 37,000 feet up?
Stratosphere.

146. In Roman numerals, what letters represents 1000?
M.

147. What is measured in poundals: mass, force, volume or weight?
Force.

148. In which country was a type of margarine first produced in 1869?
France.

149. Which German count was a leader in the field of the development of airships in the early 20th century?
Zeppelin.

150. Which Greek physician was called the Father of Medicine?
Hippocrates.

151. The Hyundai motor car originated from which country?
South Korea.

152. What is the name given to an angle of more than 90 degrees?
Obtuse.

153. Haematite is an ore of which metal?
Iron.

154. What does not occur in an anechoic chamber?
An echo.

155. What colour is formed by mixing blue, green and red lights?
White.

156. What in the human body are triceps and biceps?
Muscles.

157. ...and in which part of the body are they found?
Arm.

158. Which planet has a total of 16 moons, including Europa, Gannymede, Leda and Thebe?
Jupiter.

159. What, in computer terminology, does ROM stand for?
Read-only Memory.

160. What was invented by the Sumarians in Mesopotamia about 3500 BC to 3000 BC and is often referred to as the first great invention?
The wheel.

161. How many metres are there in a kilometre?
1,000.

162. Which is the brightest planets seen from earth?
Venus.

163. In computer terminology, what do the letters RAM stand for?
Random Access Memory.

164. Which physicist discovered the Uncertainty Principle, or indeterminacy?
Heisenberg.

165. Who, in 1888, invented the pneumatic tyre?
John B. Dunlop.

166. What type of creature was Ham, who survived a sub-orbital flight on 31 January 1961?
Chimpanzee.

167. What type of camera was invented by Edwin Land in 1948?
Polaroid.

168. Of what, introduced in 1982, was the Epson HX-20 the first of its kind?
Laptop computer.

169. Which planet has a great red spot as wide as the earth?
Jupiter.

170. Who invented the Spinning Jenny?
James Hargreaves.

171. How many sides has a nonagon?
Nine.

172. What colour is formed by mixing green and red light?
Yellow.

173. Launched on January 31, 1958, what was the name of the first US satellite?
Explorer.

174. What is the name given to a quantum of electro-magnetic rotation such as light?
Photon.

175. What is measured by a calorimeter-altitude, energy or heat?
Heat.

176. What was the disability suffered by the road-building pioneer, John Metcalf?
He was build.

177. The hour falls on which stroke of Big Bang - first or last?
First.

178. What is the name of the aircraft developed in 1969 in which two movable nozzles direct the engines thrust downwards for vehicle take-off?
Hawker Siddeley Harrier.

179. What type of vessel to explore ocean depths was invented in 1947 by Auguste Piccard?
Bathycaphe.

180. Which part of a wheelbarrow is the fulcrum?
The wheel

181. In broadcasting, what device is used to transform sound energy into electrical energ?
Microphone.

End

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