Science 4th, unit 3

Science 4th, UNIT 3

Nov-13

SCIENCE, 4th grade UNIT 3

DIET and FOOD

Teacher: J. CĂŠsar Brazo

El Tomillar, J.C. Brazo

Science 4th, UNIT 3

What's HEALTH? When our bodies WORK WELL

We are HEALTHY

El Tomillar, J.C. Brazo

Nov-13

Science 4th, UNIT 3

Nov-13

We eat different types of FOODS

"complex substances that our body can't absorb directly"

- Fruit & vegetables - Meat and fish - Cereals and rice - Pulses - Oils and fats - Sweets...

Nutrition process changes foods into...

different types of NUTRIENTS have different EFFECTS ON OUR BODY

El Tomillar, J.C. Brazo

"simple substances that our body can absorb and help us to grow and develop vital functions"

- Vitamins & minerals - Carbohydrates - Proteins - Lipids

- Give us energy - Build our tissues, etc.

- Control that our vital functions and systems work properly

Science 4th, UNIT 3

Nov-13

FOODS & NUTRIENTS Different types of foods contain different types of nutrients

FRUIT & VEGETABLES

PULSES

MEAT

FISH

EGGS

(Proteins and vitamins)

(Vitamins & Minerals and carbohydrates)

CEREALS,

DAIRY

RICE...

PRODUCTS

(Carbohydrates)

El Tomillar, J.C. Brazo

(Proteins, vitamins and minerals)

OILS & FATS (Lipids)

FAST FOOD (LOTS OF lipids)

SWEETS & CANDIES

(LOTS OF sugar)

Eat very little!

Science 4th, UNIT 3

Nov-13

DIFFERENT FOODS PROVIDE US WITH DIFFERENT TYPES OF NUTRIENTS DIFFERENT NUTRIENTS HELP US IN DIFFERENT WAYS PROTEINS

CARBOHYDRATES

- They build our muscles

- Give us energy

- Transport substances in the blood - Help our body's defences

FATS - Give us energy - Protect our organs from cold

El Tomillar, J.C. Brazo

VITAMINS & MINERALS - Important for our nervous system - Help our muscles contract

Science 4th, UNIT 3

Nov-13

habits BALANCED DIET

eat a variety of food

REST

after eating, it helps your digestion

DRINK LOTS OF WATER

El Tomillar, J.C. Brazo

BREAKFAST

the most important meal of the day

Science 4th, UNIT 3

Nov-13

A BLANCED DIET means eating a veriety of food Your body needs different amounts of each type of food ENOUGH

LOTS OF

CEREALS, RICE, POTATOES AND PASTA

FRUIT AND VEGETABLES

2 LITRES a day

SOME MILK

SOME LEGUMES, MEAT, FISH AND EGGS

El Tomillar, J.C. Brazo

FEW PRODUCTS RICH IN SUGGAR AND FATS

AND DIARY FOODS

Science 4th, UNIT 3

Nov-13

THE FOOD PYRAMID a useful way to plan our meals

servings per day

2 or 3 portions

3 or 5 portions

VERY LITTLE

2 or 3 portions

4 or 5 pieces

6 to 11 portions

El Tomillar, J.C. Brazo

Science 4th, UNIT 3

Nov-13

MEDITERRANEAN DIET It is the type of diet that consists of: lots of vegetables and fruit, a correct amount of cereals, not too much meat, fish or eggs, and some olive oil.

This diet is considered by doctors as the best for our health, because it prevents us from some serious illnesses

El Tomillar, J.C. Brazo

Science 4th, UNIT 3

Nov-13

What is "FIBRE"?

FIBRE is a substance that we can find mainly in vegetable foods, like: - Fruits and vegetables, - Legumes and - Cereals and bread (but FIBRE is not a type of nutrient)

What does FIBRE do?

WC

It has got different effects on our body, but mainly, it prevents us from CONSTIPATION

El Tomillar, J.C. Brazo

Science 4th, UNIT 3

Nov-13

What is "CALCIUM"?

CALCIUM is a substance that we can find mainly in milk and milk products (but CALCIUM is not a type of nutrient )

What does CALCIUM do?

It helps our bones and teeth to keep healthy and strong

El Tomillar, J.C. Brazo

Science 4th, UNIT 3

Nov-13

What are HEALTHY HABITS? Daily actions that KEEP OUR BODIES HEALTHY

Good hygiene

Like...

Healthy eating habits Exercise regularly and safely

Rest

El Tomillar, J.C. Brazo

Science 4th, UNIT 3

Nov-13

PLAYING SPORT IS GOOD FOR EVERYONE, but specially for children because...

It makes our locomotor system stronger and improves our stamina and flexibility

It makes our heart stronger

We learn to play well with others

El Tomillar, J.C. Brazo

It makes our brain work faster We learn to follow rules

Science 4th, UNIT 3

Nov-13

To have fun, you must practise sport safety: 1.- WARM UP: Stretch your body before starting

2.- PROTECTIVE GEAR and SHOES Wear a helmet and pads on your elbows and knees. Use appropriate shoes

3.- MODERATION: Rest and drink when you need it

4.- COOL-DOWN: Stretch again and relax after exercising

El Tomillar, J.C. Brazo

Science 4th, UNIT 3

Nov-13

GOOD HYGIENE

WASH YOUR HANDS before you eat

BRUSH YOUR TEETH after you eat

HAVE A SHOWER specially after exercising

El Tomillar, J.C. Brazo

Science 4th, UNIT 3

Nov-13

Many illnesses are caused by VIRUSES and BACTERIA They are microscopic and non-living things

They are microscopic living things

Flu virus

Salmonella bacteria

They can be contagious.

To prevent spreading germs...

This is only MINE!!

Cover your mouth when you cough or sneeze

El Tomillar, J.C. Brazo

Do not share eating utensils

Open windows in rooms with lots of people

Science 4th, UNIT 3

Nov-13

SLEEP and REST When you sleep, your body and your brain recover energy You must sleep 9-10 hours a day.

Do you...?

If you don't sleep enough, it may affect your growth, inmune system and daily tasks

El Tomillar, J.C. Brazo