Who developed the theory of gravity after observing a falling apple?
a) Albert Einstein
b) Isaac Newton
c) Galileo Galilei
b) Isaac Newton ✅
Which planet is closest to the sun in our solar system
- the earth
- mars
-mercury
- venus
mercury
Who said'' Life is like riding a bicycle, you have to keep moving to stay balance''.
Albert Einstein
What law causes dropped items to fall to the ground?
Law of gravity
Which scientist discovered radioactivity and won two Nobel Prizes in different sciences?
a) Marie Curie
b) Niels Bohr
c) Rosalind Franklin
a) Marie Curie
Which astraunot was the first man to walk on the moon?
Neil Armstrong
who said'' nothing in life is to be feared, it is only to be understood, now is the time to understand more, so that are go n'a fear less''.
Marie Curie
What describes how fast an object moves?
Speed
called the Analytical Engine?
a) Ada Lovelace
b) Charles Babbage
c) Alan Turing
b) Charles Babbage ✅
Which space probe was the firts to study Saturn's system ring's in detail between 2004 and 2007
-Voyager1-Cassini-Juno-New Horizon
Cassini
who said''science without conscience is but the ruin of the soul''.
François Rabelais
What state of matter has a definite volume but not a definite shape?
Liquid
Which Indian mathematician, largely self-taught, made major contributions to number theory?
a) Srinivasa Ramanujan
b) Subrahmanyan Chandrasekhar
c) C. V. Raman
a) Srinivasa Ramanujan ✅
What is the theortical boundary surronding a black hole, beyond which the espace velocity become greater than the speed of the light
-the photonsphere-the accreation disc-The roch limit-The event horizon
The event horizon
who said''theory is when you know everything and nothing works, practice is when everything work and no one knows why''.
Albert Einstein
What is the tipe of motion of an object in free fall?
Constant acceleration
Which physicist proposed the uncertainty principle in quantum mechanics?
a) Erwin Schrödinger
b) Werner Heisenberg
c) Max Planck
b) Werner Heisenberg ✅
In cosmology, what approximate proportion of the universe is made up of dark energy, responsible for accelerating the expansion of the universe?
A) (approximately 5%) B) (approximately 27%) C) (approximately 68%)D) (approximately 95%)
approximatly 68%
who said'' for a scientific mind, all knowledge is an answer to an answer to a question if there were no question, there could be no scientific knowledge''.
Gaston Bachelard
How does breaking process works?
It transforms kinetic energy into thermal energy.