Science General Knowledge:
1: Dynamite was invented by ____.
Alfred Nobel
2: Which instrument is used to measure the humidity in air?
Hygrometer
3: Bodies which usually fall from the sky to the earth are called____.
Meteorites
4: Which substance is used in match sticks?
Sulpher
5: Atom bomb radiates ___.
Gamma rays
6: Light travels at rate of ____.
300000 km/sec
7: Solar panel converts radiations to electricity through ___.
Chemical reaction
8: The boiling point of water is ___.
212 Fahrenheit
9: Fish survives in ice water because of ____.
Buoyant force of water
10: A steel pin sinks in water but sheep does not because of ____.
Displacement of water
11: ____ is used to record intensity and source of earthquakes.
Seismograph
12: A steel bar can be magnetized by ?
magnetic effect of electric current
13: Founder of Bing Bang theory is ___.
George Lemaitre
14: Astronomy is a science of:
Stars and Galaxies
15: Who was the first woman to go in space?
Valentina Tereshkova