What was the key discovery about atoms made in the 1930s?
10 Things We Didn't Know 100 Years Ago

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Science, Physics, Chemistry
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11th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atoms have a nucleus made of protons.
Atoms are indivisible.
Atoms contain negatively charged electrons.
Atoms contain uncharged particles called neutrons.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who were the scientists that contributed to the discovery of DNA's double helix structure?
Marie Curie and Louis Pasteur
Isaac Newton and Galileo Galilei
Rosalind Franklin and Maurice Wilkins
Albert Einstein and Niels Bohr
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What vitamin was discovered to prevent scurvy?
Vitamin D
Vitamin B
Vitamin A
Vitamin C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which scientist is credited with the discovery of penicillin?
Marie Curie
Gregor Mendel
Louis Pasteur
Alexander Fleming
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Edwin Hubble discover about the universe?
The universe is shrinking.
The universe is expanding and contains many galaxies.
The universe is contained within the Milky Way.
The universe is made entirely of dark matter.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What theory suggests that modern humans originated from Africa?
Pangaea theory
Multiregional hypothesis
Continental drift theory
Out of Africa theory
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What environmental issue is caused by CFCs?
Global warming
Ozone layer depletion
Acid rain
Deforestation
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