Backgrounders

Wall of clocks

Universal Coordinated Time

Grade
12
Jurisdiction
ON
Today, you know it's the same time everywhere in your time zone thanks to Universal Coordinated Time. But when humans used the Sun to tell time, they couldn’t tell time precisely.
orn ethanol plant next to corn field

How is Ethanol Made?

Ethanol is a biofuel that can power a car. Learn about the enzymes, catalysts and processes like fermentation involved in ethanol production.