easy
how many colours are in the rainbow?
7: red, orange, yellow, blue, green, indigo, and violet
roughly how long does it take for the sun's light to hit the earth?
8 minutes and 20 seconds.
at what temperature are celsius and farenheit equal?
-40o
what is the largest land mammal in North America?
bison
if you were to fly a plane to pluto - how long would it take?
800 years
what is the most abundant element in the universe?
hydrogen
how long is the memory of a goldfish?
at least six months
what is the symbol for iron on the periodic table?
Fe
what is the fastest land animal?
the cheetah
what planet is closest in size to earth?
venus
what do you call a volcano that is not currently erupting?
what does a chonchologist study?
seashells
how many elements are on the periodic table?
118
how long can beavers hold their breath under water?
15 minutes
which two planets have no moons?
venus and mars
who is credited with coming up with the theory of evolution?
charles darwin
what does a Geiger counter measure?
radiation
what element is a diamond composed of?
carbon
what animals cannot walk backwards?
kangaroos and emus
at what speed does our solar system orbit the milky way galaxy?
828,812 kmh
what is the study of fungi called?
in what year did Joseph Priestly discover the element Oxygen?
1774
what element is named after the Greek word for 'greenish-yellow'?
Chlorine
how many bones are in a giraffe's neck?
7
how long is one day on jupiter?
9 hours 55 min