Worksheetsdarwins theory of evolution
Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
what is the kelvin experiment
a)
how earth originated 20 - 100 million years ago
b)
how earth 1 died
2.
what happened in the 1900s
a)
absolute chaos
b)
scientists used meteorites for dating the earth
3.
when was earth born
a)
the big bang
b)
4.6 bya
4.
what evidence do scientists have that explain that earth was born
a)
fossils, abiogenesis, and homologies
b)
lots of death
5.
what was the early atmosphere like
a)
oxygen
b)
no oxygen
6.
oncle photosynthesis
a)
get oxygen
b)
no oxygen
7.
1950s millers urey exp
a)
it failed
b)
added molecules from early atmosphere+lightning> got amino acids-building blocks of life
100 %
