PPAS Digital Library
The Science Inquirer Series [Level 1]-He Isn't Human!
oleh YY Tan
There are many types of living and non-living things in the world. Man seeks to categorize this great variety of living and no ...
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The Science Inquirer Series [Level 1]-The Destroyer Of Teeth
oleh YY Tan
A system is a whole consisting of parts that work together to perform a function(s).
There are natural systems as well as man-made system. Examples of sy ...
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The Science Inquirer Series [Level 1]-The River Goblin
oleh YY Tan
Studying the interactions between and within systems enhances understanding of the environment and Man's role in it.
Interactions occur within an organis ...
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The Science Inquirer Series [Level 2]-Avoid The Ball
oleh YY Tan
A system is a whole consisting of parts that work together to perform a function(s).
There are natural systems as well as man-made system. Examples of sy ...
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The Science Inquirer Series [Level 2]-Iron Hero Versus Fire Devil
oleh YY Tan
Energy makes changes and movement possible in everyday life. Man uses various forms of energy for many different purposes.
Man is not the only animal tha ...
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The Science Inquirer Series [Level 2]-My Alien Friends
oleh YY Tan
There are many types of living and non-living things in the world. Man seeks to categorize this great variety of living and no ...
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The Science Inquirer Series [Level 2]-You Are Being Watched
oleh YY Tan
Studying the interactions between and within systems enhances understanding of the environment and Man's role in it.
Interactions occur within an organis ...
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