YR1_T2_LSN2

• Science
• Middelbare school
• havo, vwo
• Leerjaar 1

HAVE READY

• YOUR TEXTBOOK
• YOUR NOTEBOOK
• A PEN/MARKER
• YOUR MACBOOK (JOIN THIS LESSONUP) 

Homework exercises

Let's take a look at them together.

p. 48

TOPIC 2: Being in the world 

In this topic you will learn about food chains, molecules in food, the digestive system, combustion inside and outside the body.

p. 45-89

TOPIC 2.2: FOOD MOLECULES

• I know the names of the 7 types of nutrients
• I know what the 7 types of nutrients are used for in the body
• I know in what kind of foods the different nutrients are present 
• I can read food labels and understand what calories, quantities
• and daily value mean
• I know what food indicators are and understand how they can be
• used to test the food for certain nutrients

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TOPIC 2.2: FOOD MOLECULES

• Nutrient
• Daily value
• Proteins
• Carbohydrates
• Minerals
• Vitamins
• Water 
• Fats
• Fibres

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TOPIC 2.2: FOOD MOLECULES

Food is made out of molecules. 

Nutrients are food molecules. There are seven types of nutrients:

• Carbohydrates
• Proteins
• Lipids
• Minerals
• Vitamins
• Water
• Fiber

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GROWTH & REPAIR

ENERGY

STAYING HEALTHY

PROTEINS

CARBOHYDRATES

FATS

MINERALS

WATER

FIBRE

VITAMINS

Carbohydrates

Carbohydrates are for building and energy.

Sugars are small carbohydrates (glucose)

Starches are large carbohydrates

Good sources:

Grains, pasta, fruits, honey

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Proteins

Proteins are for building, because cells are built out of proteins

Proteins are built out of amino acids

Good sources:

Meat, fish, eggs, beans

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Lipids

Lipids are fats and they are used for energy.

Lipids contain twice as much energy as carbohydrates.

They are used for energy storage.

Good sources:

Oils, butter, fried food

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Minerals

Minerals we only need in small amounts and help to keep us healthy

Examples are calcium for strong bones and iron for your red blood cells.

Good sources:

Iron: red meat

Calcium: dairy products

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Vitamins

Vitamins we also only need in small amounts and keep us healthy.

They are named after letters.

Good sources:

Vit A: carrots, eggs

Vit C: citrus fruits

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Water

Water is important for transport, cooling down and removing waste from your body.

Good sources:

Drinks, fruits and vegetables

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Fibres

Fiber cannot be broken down in your body. It helps your food move through your digestive system.

Good sources:

Grains and vegetables

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FOOD TABLES

Shows:

Quantities: amounts

Calories: energy in the food

Daily value: recommended amount of that nutrient per day

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INDICATORS

Indicators show (indicate) if a certain substance is present or not

Example:

This is a test for sugars

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In class activity

Zoo nutritionist

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Hw for the next lesson

• Complete the exercises of topic 2.1.
• Study the words of lesson 1+2 on WRTS.
• Complete and STUDY your notes.

p. 54-63