8A Food and digestion. Diet Which seven nutrients do we need to eat every day?

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Presentation transcript:

8A Food and digestion

Diet Which seven nutrients do we need to eat every day?

McDonalds Choose some food from McDonalds Food/DrinkFat (g) Carbohydrates (g) Protein (g)Fibre (g)Minerals (calcium, Iron) % Vitamins (A or C) %

Staying healthy Why is exercise important? What is a balanced diet?

The mouth What are the four different types of teeth? What happens to food in the mouth?

Let’s look at your teeth Colour the teeth you have Put a cross if you have a filling

Tooth decay Why should you brush your teeth? What causes cavities?

Once upon a time… life video

Disclosure tablets

The digestive system What happens to food in the digestive system? What are the five organs in the digestive system?

Enzymes What are enzymes? Name an example of an enzyme and write about what it does.

Amylase experiment Aim: To investigate the effect of amylase on starch Results

Method Vocabulary: Test tube Dropper Starch solution Iodine Dimple tray Test tube rack Amylase

Visking tubing experiment Aim: To find out what happens to a mixture of starch and amylase in visking tubing inside a beaker of water. Diagram

Results SubstanceBeforeAfter ___ mins The next day Inside tubing Outside tubing insideoutsideinsideoutside Sugar Starch