Science 4º Science Primary Lar 17 octubre, 201610 abril, 2018 UNIT 1-INSIDE YOUR BODY Nutrition and respiration. Blood circulation. The digestive system The respiratory system Circulatory system Excretory system (1) (2) (3) (4) UNIT 2-KEEPING HEALTHY Healthy habits prevent illness. Food and nutrients. A healthy diet. (1) UNIT 3-PLANTS Parts of plants. Plant nutrition. Plant reproduction. (1) UNIT 4-MINERALS, ROCKS AND SOIL Rocks. Minerals. Soil. (1) UNIT 5-ECOSYSTEMS What is an ecosystem? Relationships in ecosystems. Protecting ecosystems. (1) UNIT 6-MATTER Matter and its properties. Changes in matter. Materials. (1) UNIT 7-FORCES AND ENERGY Forces. Energy. Uses of energy. (1) UNIT 8-LIGHT The propagation of light. Light and colours. (1) UNIT 9-WHERE WE LIVE Municipalities and comarcas. Autonomous Communities. (1) (2) UNIT 10-LANDSCAPES The relief of Spain. Rivers and climate. Flora and fauna. UNIT 11-POPULATION AND TRADITIONS Population. Traditions and festivals. (1) UNIT 12-ECONOMIC ACTIVITIES The primary sector, the secondary sector and the terciary sector in Spain. (1) UNIT 13-POLITICAL INSTITUTIONS How the state organised. How citizens participate. UNIT 14-LIFE THOUSANDS OF YEARS AGO How primitive human beings lived. Roman times. Medieval times. UNIT 15-LIFE HUNDREDS OF YEARS AGO The Age of Exploration. The Industrial Revolution.