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Categories: Gr 9-10 Science
This lesson is used for students to analyse the design of a technological device that protects other devices by using or controlling static electricity (such as paint sprayers, photocopiers,... read more
This demonstration shows some differences between potable (drinkable) water and non-potable (non-drinkable) water. Variations in temperature, turbidity and pH level also determine the types of... read more
If you've taken a look at the southeastern sky after midnight recently, you may have noticed what appears to be a red star rising in the east. But that's no star. It's Mars — and it is about to get... read more
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