This week we had Mr David (Olivia's dad) come and speak to us about energy today.
Mr David is a Chemical Engineer. He has a company in China that collects industrial waste and recycles it into usable resources. He creates 18 different types of metals from waste products.
They even use the dust from steel which is dangerous to the environment. They collect the dust and use it to create further zinc and iron products.
Mr David discussed how every chemical reaction involves energy. This is important in his work.
He said that energy cannot be destroyed, rather just changes form. He also gave examples of all the sources of energy and explained some of the advantages and disadvantages of each.
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