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The Svartsengi Power Station (pictured here) is located at the Blue Lagoon, in Iceland.
Thanks to technology, this plant is capable of generating electricity from geothermal energy that comes from the Earth's crust.
I will know
Review how much you already know about renewable energies.
Learn about renewable energy:
Make a list of key words, create a concept map and write a summary.
What have you learnt about renewable energies? Do some activities to find out before you go to school.
Will you be able to solve a challenge about renewable energies? Let’s find out.
What’s in the image?
SOLAR ENERGY
BIOMASS ENERGY
GEOTHERMAL ENERGY
WIND ENERGY
HYDROELECTRIC ENERGY
TIDAL ENERGY
Water in the oceans and seas
Heat from the Earth
Wind
Sun
Wood and agricultural waste
Water in rivers
Non-renewable energy sources cause problems, such as the depletion of resources and pollution.
For this reason, technologies have been developed to obtain energy from more environmentally-friendly sources, such as the Sun, the heat from inside the Earth, the wind and the tides.
These renewable energies will never be depleted.
A long time ago renewable energy sources were used directly. For example firewood was used to cook and wind was used to sail boats. Wind and flowing water were also used to move some machines. For example windmills, water mills and sawmills. Today renewable energy sources are mainly used to produce electricity.
STEM competences
Mathematical competence is the ability to develop and apply mathematical thinking and insight to solve problems in everyday situations.
Competence in science refers to the ability and willingness to explain the natural world by making use of scientific concepts, theories and methods, and to draw evidence-based conclusions.
Competences in technology and engineering are applications of mathematical and scientific knowledge to find solutions to human wants and needs.
These competences involve an understanding of the changes caused by human activity and responsibility as individual citizens.
Sustainable Development Goals
Ensure access to affordable, reliable, sustainable and modern energy for all.
Think
In the 1970s, these energy sources were considered to be alternatives to conventional fuels and uranium. Consequently, they were called alternative energy sources. They are hydroelectric, wind, solar, biomass, geothermal and tidal power.
By 2050, two thirds of electricity is expected to come from renewable sources, and the use of renewable energy is likely to go on increasing.
The use of renewable resources is very important for the environment. On this website, Acciona explains the importance of these types of energies.
Work with the graph
Which countries produce the most energy from renewable sources?
Today, the use of renewable energy sources is growing rapidly, thanks to lower technological costs, rising costs of fossil fuels, the reduction of CO2 emissions and, above all, measures adopted by governments to promote the development of renewable energy.
Advantages and disadvantages of renewable energy sources.
The main advantages of renewable energy sources are: they will never run out because they are continually produced in nature. They cause less pollution than fossil fuels.
Some disadvantages are: they are not continually available, sunlight is not available at night and it is not always windy. They are difficult to use directly. They are usually transformed into electricity which is difficult to store.
Personal, social and learn to learn competence
Personal, social and learning to learn competence is the ability to reflect to understand and accept oneself and promote continual personal growth, effectively manage time and information, work with others in a constructive way, remain resilient and manage one’s own learning and career.
It involves contributing to the physical, mental and emotional well-being of others and dealing with conflicts with empathy and support.
Digital competence
Digital competence involves the confident, critical and responsible use of, and engagement with digital technologies for learning, working, and for participation in society.
It includes an understanding of being a digital citizen as well as security, privacy, intellectual property, problem-solving and computational thinking.
Literacy competence
Literacy competence is the ability to identify, understand, express, create and interpret concepts, feelings, facts and opinions in both oral and written forms, using visual, sound/audio and digital materials across disciplines and contexts.
It also involves the ability to use critical thinking to develop personal opinions, analyze messages and identify disinformation.
Prepare an infographic with your answers for these questions:
Multilingual competence
Multilingual competence is the ability to use different languages appropriately and effectively for communication.
It includes historical aspects and value and respect for linguistic and cultural diversity to build democratic coexistence.
Discuss the answers to the questions that you found at home, in class:
Technologies have been developed to obtain energy from more environmentally-friendly sources, such as the Sun, the heat from inside the Earth, the wind and the tides.
In the 1970s, these energy sources were considered to be alternatives to conventional fuels and uranium.
Summary. Renewable energy
costs
emissions
governments
growing
alternative
biomass
sources
conventional
renewable
Earth
energy
you have completed the lesson!
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