by magpie in the 80's » Thu Jul 30, 2009 4:40 pm
by Footy Chick » Thu Jul 30, 2009 5:10 pm
by Interceptor » Thu Jul 30, 2009 6:52 pm
magpie in the 80's wrote:3. What is the term for a positive electrode? cathode
6. Which substance is most used for pencil lead? graphite
8. Of what is a lux a unit? brightness
9. At what speed in mph does a wind become a hurricane? 100?
13. What is the lightest metal? Lithium
14. Which scientist devised the three laws of motion? Newton
16. What were Rocket, Blucher and Puffing Billy? trains
18. A machine for altering the voltage of alternating current is called what? transformer
19. Which gas smells like rotten eggs? Hydrogen Sulphide
20. What is the name of the device used to convert sound to electricity? transducer
by magpie in the 80's » Thu Jul 30, 2009 8:08 pm
Footy Chick wrote:1. Genetically modified![]()
3. Proton?
5. iris![]()
6. Lead?![]()
8. light/power?
10. Colombus?
11. Florey?
19. methane
by magpie in the 80's » Thu Jul 30, 2009 8:09 pm
godoubleblues wrote:Q2 - 1
by magpie in the 80's » Thu Jul 30, 2009 8:13 pm
Interceptor wrote:3. What is the term for a positive electrode? cathode INCORRECT In a voltaic cell, it is the cathode.
6. Which substance is most used for pencil lead? graphite
8. Of what is a lux a unit? brightness CLOSE ENOUGH...ILLUMINATION
9. At what speed in mph does a wind become a hurricane? 100?![]()
13. What is the lightest metal? Lithium
14. Which scientist devised the three laws of motion? Newton
16. What were Rocket, Blucher and Puffing Billy? trains CLOSE ENOUGH...STEAM ENGINES
18. A machine for altering the voltage of alternating current is called what? transformer
19. Which gas smells like rotten eggs? Hydrogen Sulphide
20. What is the name of the device used to convert sound to electricity? transducer![]()
by westozfalcon » Sat Aug 01, 2009 8:56 pm
by magpie in the 80's » Sat Aug 01, 2009 9:38 pm
westozfalcon wrote:8. Illuminance
11. Alexander Fleming
17,. Cirrus![]()
by magpie in the 80's » Thu Aug 06, 2009 6:08 pm
by magpie in the 80's » Fri Aug 07, 2009 8:29 pm
FlyingHigh wrote:7/ Toilet Bowl...close enough
8/ Instamatic...incorrect
by hereforthebeer » Sat Aug 08, 2009 1:20 am
by magpie in the 80's » Sat Aug 08, 2009 12:37 pm
hereforthebeer wrote:3 anode ...correct
20 transducer...incorrect
by magpie in the 80's » Sat Aug 08, 2009 1:23 pm
magpie in the 80's wrote:1. In food science, what do the initials GM stand for?
GENETICALLY MODIFIED
2. How heavy, in kilograms, is a litre of water?
ONE
3. What is the term for a positive electrode?
ANODE
4. Betz cells are found in which part of the body?
THE BRAIN
5. Which part of the eye gives it its colour?
THE IRIS
6. Which substance is most used for pencil lead?
GRAPHITE
7. What invention of Sir John Harington’s in 1589 proved a great convenience?
THE WATER CLOSET (AN EARLY LAVATORY)
8. Of what is a lux a unit?
ILLUMINATION
9. At what speed in mph does a wind become a hurricane?
73MPH
10. Who first claimed that the world was not flat but a sphere?
PYTHAGORAS
11. Who discovered 'penicillin' in 1928?
ALEXANDER FLEMING
12. In which year was the Hubble Space Telescope launched?
1990
13. What is the lightest metal?
LITHIUM
14. Which scientist devised the three laws of motion?
SIR ISAAC NEWTON
15. Edwin Land invented what kind of camera in 1947?
THE POLAROID CAMERA
16. What were Rocket, Blucher and Puffing Billy?
EARLY STEAM ENGINES
17. What type of clouds produce rain or snow?
NIMBUS
18. A machine for altering the voltage of alternating current is called what?
A TRANSFORMER
19. Which gas smells like rotten eggs?
HYDROGEN SULPHIDE
20. What is the name of the device used to convert sound to electricity?
A MICROPHONE
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