Orientación didáctica:  Besides enjoying reading, you'll learn about light and colour, about the phenomena of reflection and refraction of light, and about the different types of lenses. -->Before reading, we will ask the pupils to look for the definitions of the following terms: optics, transparent, opaque, refraction and reflection of light. -->After reading, we will suggest the students do the following activity (from Pinch of Salt work cards): Put a pencil inside a glass of water. Look at it. What phenomenon makes you see the pencil like that? Describe this phenomenon using your own words. Draw a picture of the pencil. (Publisher Information)...  Leer     

Orientación didáctica:  Besides enjoying reading, you'll learn about energy sources and their applications. -->Before reading, we will ask the pupils if they know any types of energy and their uses. -->During reading, we will ask them to look for information in the encyclopedia or on the Internet about renewable energy sources. -->After reading, we will suggest the students do the following activity (from Pinch of Salt work cards): Say which of the following energy sources and fuels are renewable and which are not: sunlight, coal, wood, tidal energy, atomic energy, oil, wind. (Publisher Information)...  Leer