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The Sun

Prepared by Mildred

Listening — Advanced Level

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How to turn on video subtitles | Report broken video linkThanks!

Activity

Watch the video and answer the questions

How old is the sun?

a) 3.5 billion years old

b) 2 billion years old

c) 4.5 billion years old

d) 8 billion years old

How many layers does the sun have?

a) six layers

b) seven layers

c) eight layers

d) nine layers

What is the most massive object in the universe?

a) sun

b) Earth

c) Milky Way

d) nebula

What force allows the sun to hold all the 8 planets together?

a) gravitational pull

b) centrifugal force

c) external force

d) force of attraction

What makes up 91% of the sun?

a) Hydrogen

b) Oxygen

c) Helium

d) Heavier elements

What protects the planet from harmful cosmic radiation?

a) heliosphere

b) atmosphere

c) stratosphere

d) exosphere

Submit

Discussion

Practice your writing skills by discussing the questions below

What do you like most about the solar system?

Do you think sun plays a big role in the solar system and in our lives? Explain.

What is the importance of studying astronomy?

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Vocabulary

collapse Trans. IMG
- (collapsed) to fall down; to drop
nebula Trans. IMG
- a cloud of gas or dust in space that can sometimes be seen at night
radiation Trans. IMG
- a type of dangerous and powerful energy that is produced by radioactive substances and nuclear reactions
Tremendous Trans. IMG
- Very large or great

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