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Collection of Teaching Resources

Teaching Resource: THE BIOGEOCHEMICAL CYCLE OF CARBON The green house effect and the solar spectrum

Subject taught
- Biology

Link
https://science.nasa.gov/ems/01_intro

Type of Product
- Videos

Language Skills Developed
- Listening
- Reading

Transferable/Scientific Skills Developed
To observe, analyze and describe phenomena belonging to natural reality and to the aspects of daily life To formulate hypothesis and verify them To use simple schematizations and modelling To acquire and understand information and know how to connect it To face problematic situations

Description
General aims To understand what light is and what her components are. To understand how energy from the sun makes conditions life on the Earth possible. To understand how electromagnetic energy is present in our everyday life. It is also used when listening to the radio, watching TV, using a cell phone or a microwave oven. We all depend on this energy, without it there would not be any life on our planet and there would not be the world as we know it. Linguistic aims • To improve language skills in L2 • To enrich scientific vocabulary • To know how to move from one linguistic register to another • To produce clear and coherent texts in L2 • To summarize written texts Subject specific aims • To Know how to describe the characteristics of a wave • To know how to describe the electromagnetic spectrum • To know how to classify waves on wavelength basis • To know how to identify the relationship between wavelength and frequency Target group age 14-15 age Level of competence in English (CEFR) B1 Time required to use the resource with the students 3h 1h presentation and analysis of the resource 2 h discussion and comparison of the results of the experiment by Herschel How to use it After assigning the vision of this resource as a homework, the teacher introduces the concept of electromagnetic spectrum, wavelength and wavelength scale according to common objects. Then the teacher starts a guided discussion on commonly used technologies: mobile phone, radio, various remote controls, wireless controls. Following, through brainstorming, the teacher involves students in a discussion that aims to encourage ideas to solve the problems that have emerged. Then, the teacher divides the class into small groups that must analyze and study what has been learned and that, independently and not in the presence of the teacher, perform the Herschel experiment by following the instructions by the teacher. In this way, students learn practically how the scientist, by means of a glass prism, discovered the existence of infrared light. The results obtained allow students to verify the link between color and temperature. The teacher must not anticipate the result of the experiment because one of the objectives is exactly understanding and using the scientific method: observing a phenomenon, asking questions, formulating a hypothesis, carrying out experiments, drawing conclusions. Possible difficulties for the students Defining the concept of wave. Illustrating the relationship between the wavelength of a radiation and its energy.