UNIT 4 SOCIAL SCIENCE: HISTORICAL TIME

WHAT IS HISTORY?

History studies the past of people. In order to date the events that ocurred in the past, historians use units of time. In history, we use mainly years and centuries as units of time.

UNIT 3 NATURAL SCIENCE: NUTRITION

WHAT IS THE NUTRITION?

The nutrition is a combination of processes which supply our body with the building materials and energy we need to live.

NUTRIENTS

Food contains simple substances called nutrients, which provide the building materials and energy our body needs to grow and work. Nutrients are classified into groups:

• Carbohydrates: provide a fast supply of energy. We can find it in cereals, potatoes, bread, pasta...
• Fats: provide a slower supply of energy. They are mainly found in oils and butter.
• Proteins: provide building materials for growth and to repair our body. They are mainly found in meat, fish, eggs, milk...
• Vitamins and minerals: are necessary for our body to function properly. They are mainly found in fruit, vegetables and dairy products.
• Water: transport other nutrients and waste around the body.

UNIT 3 SOCIAL SCIENCE: POLITICAL MAP OF EUROPE