[slideshare id=47136&doc=food-4-23135&w=425] Read the rest of this entry »

We carried out this experiment to determine the 2 products of fermentation.

• What are the 2 products and how do we know this?

• What is the word equation for fermentation? Read the rest of this entry »

Marie Curie was born. Nov. 7, 1867, Warsaw, Pol., Russian Empire and died on July 4, 1934, near Sallanches, France – born Maria Sklodowska

She was a Polish-born French physicist famous for her work on radioactivity and twice a winner of the Nobel Prize. With Henri Becquerel and her husband, Pierre Curie, she was awarded the 1903 Nobel Prize for Physics.

She was then sole winner of the 1911 Nobel Prize for Chemistry.

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Scientists have developed an artificial plastic blood which could act as a substitute in emergencies. Researchers at Sheffield University said their creation could be a huge advantage in war zones.

They say that the artificial blood is light to carry, does not need to be kept cool and can be kept for longer.

The researchers said the artificial blood was easier to store

READ article.

7WD looked at these 2 topics today which emphasise the uses of distillation.

lesson notes.

Today we did an experiment with visking tubing to make a model gut. We put two substances in the gut – glucose and starch. We then tested the water the gut was left in (the ‘blood’) after 10 minutes for starch (with iodine) and for glucose (with benedicts and heat). We found out that glucose was in the water but not starch.

What did this prove?

notes