natural sciences 3

Which foods can you see in the picture? Why do we eat? Food contains the different nutrients we need to live and grow.

Do all foods contain the same nutrients? There are five type of nutrients: carbohydrates, fats, proteins, minerals and vitamins. Different foods contain different nutrients.

What do different nutrients give our bodies? Carbohydrates give us energy. Fats build a store of extra energy, but you shouldn’t eat too many. Proteins help us grow. Vitamins and minerals help us to stay healthy. We need to drink six to eight glasses of water every day.

How often should we eat different foods? Eat the food in the green levels every day. Eat a little of the food in the yellow level every day. Eat the food in the red level only on special occasions.

What does our digestive system do? Mouth Oesophagus Small intestine Stomach Foto panda, bee and pig p. 6 Large intestine Our digestive system helps us get the nutrients we need from food.

What does our excretory system do? Kidneys Ureters Bladder Urethra Foto panda, bee and pig p. 6 Our excretory system helps us to get rid of waste products.

How can we look after our bodies? Turtle/eagle/cheetah p. 6 We should make sure we rest and do exercise. We should have a good diet.

How can we look after our bodies? Turtle/eagle/cheetah p. 6 We should be hygienic to prevent diseases. We should use our free time wisely.

What have we learnt? The five types of nutrients are… carbohydrates fats proteins minerals vitamins

What have we learnt? Our digestive system is made up of the … mouth stomach oesophagus small intestine large intestine

What have we learnt? Our excretory system is made up of the… kidneys bladder ureters urethra