chemestry
biology
physics
math
astronomy
100
what elements are in water
2 hydrogen and 1 oxygen
100
what part holds the plant in place?
the roots
100
what makes up all atoms?
quarks
100
what is 10 x 10
100
100
how many planets are in the solar system?
8
200
what elements are in carbon dioxide?
2 carbon and 11 oxygen
200
are we a mammal?
yes
200
what makes up all quarks?
planks
200
what are the first three digits in pi?
3.14
200
how much mass does the sun take up in the solar system?
98%
300
how many elements are in the periodic table.
118
300
how many animals are in the world?
approximately 20,000,121,091,000,000,000
300
what is usually accepted as the start of space?
the Kármán line
300
fill in the blank.
math predicts black holes and _____ _____.
white holes
300
what is Jupiter likely to be?
a failed star
400
what is the stinkiest chemical known to man?
Thioacetone
400
how many insects are there?
over 1,000,000!
400
what is a fluidised air bed?
air pushing up on a grain-like solid like sand or glass beads making it act more like a solid than a liquid
400
what does math also predict?
paralel universes and wormholes
400
what title did Yuri Gagarin achieve?
first man in space