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Year 9 NSW
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Science and the future
Topic : Science and the future
In this topic you will learn...
Chapter 1 :
Science and human health
The science of changing an organism's genetic information is called genetic engineering
It might be possible to fight some diseases by changing the DNA structural units that cause them
To clone an organism means to duplicate it without the help of sexual reproduction
X-radiation can penetrate human skin tissue but is stopped by dense bones
Antibiotics are chemicals produced by bacteria or fungi (small microscopic organisms) that can destroy harmful bacteria
Chapter 2 :
Science and the environment
A natural resource is anything that is both naturally occurring and of use to humans
Natural resources can be renewable and non-renewable
A renewable resource is a resource that can be restored naturally
A non-renewable resource is a resource that cannot be restored or takes a very long time to be restored
Greenhouse gases absorb radiation and trap heat in the atmosphere, creating the greenhouse effect
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