ESS
Grade-9
Easy
Question
Big bang theory says ___________.
- That all the matter in the universe exploded from the very small, dense point.
- That all the matter in the universe exploded from the very big, dense point.
- That the universe is collapsing and becoming smaller and smaller.
- That two galaxies collided and that caused the big bang.
Hint:
The word bang means a sudden loud noise caused due to an explosion.
The correct answer is: That all the matter in the universe exploded from the very small, dense point.
- Big bang theory says that all the matter in the universe exploded from the very small, dense point.
- It describes how the universe expanded from an initial state of high density and temperature.
- So, the correct option is a.
Related Questions to study
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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.
ESSGrade-9
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Select the correct option.
Select the correct option.
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Sunspots are produced by areas of strong magnetic fields that decrease the transport of energy to the surface by ________.
Sunspots are produced by areas of strong magnetic fields that decrease the transport of energy to the surface by ________.
ESSGrade-9
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Match the following:
Match the following:
ESSGrade-9
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_________ has a longer wavelength than visible light.
_________ has a longer wavelength than visible light.
ESSGrade-9
