Thema 2.5

• Biologie
• Middelbare school
• vmbo b
• Leerjaar 2

Grab your stuff

On your table you have:
- A laptop (closed)

- Your book

- A pen

- Your agenda

Today

- What did we talk about last lesson

- Goals

- Food spiolage

- Do some exersices

- Preserving food

- Homework

What did we talk about last lesson

Eating disorders

Anorexia nervosa

Bulimia nervosa

Goals

After this lesson:

- Can you explain how you can get food poisoning.

- Can you explain what preserving is.

- Do you know what kind of preserving methodes their are.

How does food go bad?

Food spiolage

- Eating spioled food can get you ill. This is what we call food poisoning.

- Not only eating spioled food can give you food poisoning.

Salmonella bacteria

Do some exersices

What? Do exersice 1 (unit 2.5)

How? On your own (in silence)

Time? 5 minutes

Help? Use your book, or raise your hand

Finished? Look up the different methodes how you can perserve food.

Preserving

- Preserving: treating food so it is eadible for a longer time.

Preserving

 - Freezing

- Pasteurization

- Sterilization

- Vacuum packing

- Inert atmospheres

- Drying

- Adding preservatives

- Irradiation

Homework

Friday 13/01

Unit 2.5: do exersices 1,2,3 and 5

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