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11443692
CCI02.02.02.- A Brief History of the Universe: Crash Course Astronomy
Description
https://www.youtube.com/watch?v=IGCVTSQw7WU
No tags specified
cultura científica 4º eso 2º term
1.- astronomy
Quiz by
PEDRO ÁLVAREZ JIMÉNEZ
, updated more than 1 year ago
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Created by
PEDRO ÁLVAREZ JIMÉNEZ
over 6 years ago
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Resource summary
Question 1
Question
At the beginning, the universe was
Image:
3 (binary/octet-stream)
Answer
Very cold
Very hot
Denser
Question 2
Question
About quarks, it is true that
Image:
2 (binary/octet-stream)
Answer
They cannot pulled apart
They are formed by electrons
They form protons and neutrons
Question 3
Question
When the first atoms did appear?
Image:
3 (binary/octet-stream)
Answer
3 minutes after the Big Bang
Before the 20 minutes after the Big Bang
Atoms have ever existed
Question 4
Question
After recombination
Image:
4 (binary/octet-stream)
Answer
Electrons joined to other particles
Universe was opaque
Photons were free from electrons
Question 5
Question
First stars did appear
Image:
5 (binary/octet-stream)
Answer
400 thousands years after the Big Bang
400 million years after the Big Bang
400 years after the Big Bang
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