ESS
Grade-9
Easy
Question
The two things _______and ______are basic to our understanding of the world and Universe – began at the instant of the Big Bang.
- Planets and stars
- Time and space
- Friction and gravity
- Energy and atoms
Hint:
The two things time and space are basic to our understanding of the world and Universe – began at the instant of the Big Bang.
The correct answer is: Time and space
- The motion and forces relate to every activity of the universe which binds to gravity.
- Time and space measure the motion and forces.
- They are necessary that explains the expansion of the universe from an initial state to an extended high dense and temperate state.
Related Questions to study
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Hubble was able to calculate a rough estimate for the formation of the Universe by_____________.
Hubble was able to calculate a rough estimate for the formation of the Universe by_____________.
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The four essential forces that emerged right after the Big Bang are _____________.
The four essential forces that emerged right after the Big Bang are _____________.
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Hubble’s law describe____________________.
Hubble’s law describe____________________.
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Big bang theory says ___________.
Big bang theory says ___________.
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After big bang the universe was__________.
After big bang the universe was__________.
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CBR is __________.
CBR is __________.
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_________ are two vital pieces of proof we have for the Big Bang.
ans. red-shift of light, cosmic background radiation and types of elements.
_________ are two vital pieces of proof we have for the Big Bang.
ans. red-shift of light, cosmic background radiation and types of elements.
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Universe started by massive explosion is called_________________.
Universe started by massive explosion is called_________________.
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The scientific study of the universe is called _________.
The scientific study of the universe is called _________.
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The wavelength of light becomes _________ in red shift.
The wavelength of light becomes _________ in red shift.
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Which of the following scientist observed that galaxies are moving away from us?
Which of the following scientist observed that galaxies are moving away from us?
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The original two elements of universe are___________.
The original two elements of universe are___________.
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_________ is used to study far away objects.
_________ is used to study far away objects.
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CBR is___________.
CBR is___________.
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_______ theory states that an explosion created the universe.
_______ theory states that an explosion created the universe.
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