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02• Silent Reading ( 10 minutes)~ Own Book• Recap~ KWL• Photographs~Questions• Title of Text• KWL Chart~Group Work• Sharing~KW• Text Reading~10 minutes( 2 times)

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Lego Man in Space

•Space Junk

K W L• Definition-Junks

polluting space

• Types of space junk-Explosion of rackets—

parts that remain in space

-Things that are launch into space-has no gravity-floating around

Who got the space junk in to the space

-Human beings/People like us

-NASA

Types/Nature of Junk•How polluted is space compared to Singapore?•Quantity of space junk ( daily)•Size of space junkHow is space junk disposed of?What Consequences(Problems)?-What will happen if we have too much space junk-Do space junk pollute the planet(s)?Who are the authorities involved?Who discover that there’s junk in space?When is the first space junk discovered?Why do NASA launch/dispose space junk>What are the measures taken by these authorities?(Different levels of measure?-Individual,organisational,national, international level) -How is space junk extracted-What kinds of equipments is used to find it?-Are robots used in clearing them?

Types of Junk-small pieces-bigger pieces-Loses from space craft

Quantity-Hundreds of space junk orbiting the Earth

Speed-faster than the bullet-1000kim/h

Problem-dangerous

What does NASA stands for?Will the junk land on Moon?Do black holes suck the space junk?

Other things learnt? List them below………..

If not……• Tick off the ‘W’ column first by checking

questions that have been answered by text( Where can you find answers for the

remaining questions?)-clarify any difficult words that appear

• Tick off the ‘K’ column by checking entries that were confirmed by text.

To answer your questions…..• Are there really only hundred of pieces of

space junk? (Space Junk Reaching “Tipping Point”; Space Debris, Space Junk HD)

• What types of equipments ….robots…black hole?(CleanSpace One)(What will NASA NASA do with the space junk?)

• Why does NASA launch space junk?(International Space Station threatened by China Space Junk)

Questions for you to ponder on

• Do you think the junk is disposed of intentionally? Why?

• Why should we and people around the world be concerned of space junk?

• What would you do to spread the message of space junk?

To know more……..• http://www.space.com/spacewatch/space_

junk.html

• http://en.wikipedia.org/wiki/Space_debris

• http://news.nationalgeographic.com/news/2006/10/0119_060119_space_junk.html

• Science Centre workshops on space junk• (Tel: 64252525/6)

No one owes Singapore a living

•Every Singaporean should take care of our environment. Our love for the country and the land we live in should be manifested in the way so that we take care of it.