Geology questions and answers
4.5 billion years - answer How old is the Earth, according to modern
science?
Ellipses - answer Halley approached Newton to ask him to help find
the shape of the Earth's orbit. Newton had said he had already done
the calculations, however, he could not find his work. So Newton
agreed to recalculate the orbit shape of the Earth. In doing so he
proved that the Earth's orbit is an __________ orbit.
Clair Patterson (1922-1995) - answer This person discovered the age
of the Earth by using radiometric techniques.
Marie Curie (1867-1934) - answer A Polish born physicist, with her
husband Pierre, discovered that radium constantly emits subatomic
particles, which means it doesn't have a constant weight. This
discovery challenged the idea that atoms were unchanging. She also
pioneered research in radiology. Also, she received two Nobel
prizes. She later died of complications attributed to radiation
exposure.