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1000 FACTS on space Earth, Sun and Moon, Planet, Stars, Universe, Astronomy, Space Travel. @HLC- Library

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Question 1: What is a fastest thing in the Universe?  

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  Question 2: Why we know that our universe is expanding (become bigger)? 

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  Question 3: By using the information above, explain why human can survive on the Earth?   

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Question 4: What is a black hole? Why we are not able to see anything near the black hole? 

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 Question  5:  Do  you  really  believe  our  world  is  created  by  Big  bang?  Explain.  (Higher  order  thinking) 

   

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Questions: Question 1: What is a fastest thing in the Universe? Answer: Light  Question 2: Why we know that our universe is expanding (become bigger)? Answer: It is because we know all the galaxies are zooming away from us.  Question 3: By using the information above, explain why human can survive on the Earth? Answer: It has water on the surface, it has atmosphere which contains oxygen and it block the sun’s radiation.   Question 4: What is a black hole? Why we are not able to see anything near the black hole? Answer: Black hole is a place where gravity is so strong that it sucks everything in, including light. Because light is absorbed,  

therefore no light can enter our eyes. Question 5: Do you really believe our world is created by Big bang? Explain. (Higher order thinking) Answer: Yes/ No. (Accept reasonable answers)   

HKFYG  Lee  Shau  Kee  College      Physics  Department          Book  sharing  2013‐2014        P.1 

Answers: Question 1: What is a fastest thing in the Universe? Answer: Light  Question 2: Why we know that our universe is expanding (become bigger)? Answer: It is because we know all the galaxies are zooming away from us.  Question 3: By using the information above, explain why human can survive on the Earth? Answer: It has water on the surface, it has atmosphere which contains oxygen and it block the sun’s radiation.   Question 4: What is a black hole? Why we are not able to see anything near the black hole? Answer: Black hole is a place where gravity is so strong that it sucks everything in, including light. Because light is absorbed,   therefore no light can enter our eyes. Question 5: Do you really believe our world is created by Big bang? Explain. (Higher order thinking) Answer: Yes/ No. (Accept reasonable answers)