Energy

Sections

Introduction

Analyse and organise

Acid rain

Radioactivity

Forms of energy

Energy sources

Renewable and non renewable

Saving energy

Study skills

Review

Introduction

Audio 26

List od everyday activities that require energy:

To make a cake
To study English
To heat the classroom
To listen to music
-
and more.

Events occured due to energy:

frozen food defrosting on the kitchen table (heat)
a mobile phone battery recharging (electricity)
a rainbow appearing after a storm (light)
someone listening to the radio (sound)
a football flying through the air (movement)

Whay are the differences between wind turbines and windmills?

https://www.hunker.com/13401927/what-is-the-difference-between-a-windmill-a-wind-turbine

How can we minimise the use of energy?

shutdown the computer
choose the right light
eliminate vampire power: ubplug idle electronics
use a power strip to reduce your plug load
turn off the lights

https://green.harvard.edu/tools-resources/poster/top-5-steps-reduce-your-energy-consumption

Analyse and organize

Audio 27: Acid rain

Audio 28: Radioactivity

Energy sources and the environment:

Burning fossil fuel
- Acid rain
- Greeenhouse effect and carbone dioxide
Nuclear power
- Radioactive waste
- Nuclear accidents
Hydroelectric power
- Massive flooding
- destruction of the environment
Wind farms
- Noise pollution

Useful resources

Vocabulary: pdf Macmillan
What is acid radin: video youtube
Acid rain: video BBC iScience
Nuclear Physics kids: video youtube
Energy science, an introduction to energy and how we use it: website explainthatstuff

Forms of energy

Kinetic and potencial energy
Mechanical energy: KE + PE
Chemical energy
Light energy
Electrical energy
Sound energy

Useful resources

Audio 29 Forms of energy
Felix Baumgartner, salto estratosférico: video youtube
Kinetic and potencial energy: video youtube
Outline of forms of energy: website EIA

Sources of energy

Renewable energy sources

Solar

Wind

Water

Biomass

Geothermal

Non-renewable energy sources

Fossil fuels

Coal

Oil

Natural gas

Uranium

Advantages and disadvantages of these different types of sources

Useful resources

Audio 30
Sources of energy: website EIA
Different sources of energy: video Kidseduc
How solar pannels work: video The Brain feed
Puesta en marcha de un molino de viento en Consuegra?: video youtube
Cómo funciona un aerogenerador: video youtube
El motor eléctrico más sencillo del mundo (experimento): video youtube
How to make a simple homopolar motor: video youtube
World simplest electric train: video youtube
Solenoid engine 8V: video youtube
How to make a powerful DC motor using screws and a CD pannel: video youtube

Why and how to save energy

We have to save energy:

To save money
To protect the environment
To preserve resources

Why should we buy local products?

These are different ways to save energy:

Transportation
Shopping locally
Avoid packaging
Reuse bags
Home insulation
Showers

Useful resources

Audio 31
Top 10 ways to save energy: website victorianenergysaver
100 ways to save energy at home: website thegreenage

Students' works:

Nuclear cementeries - Esther

Objectives

Study energy.
Identify the different forms of energy: light, sound, chemical, kinetic, electrical and thermal.
Learn the principle physical laws which govern energy.
Identify and explain the differences between renewable and non-renewable energy sources.
Understand the dangers of non-renewable sources and also the advantages and disadvantages of the different alternative energy sources.
Carry out an experiment, following the scientific method, about the effect of acid rain on plants.
Understand the seriousness of pollution.
Discuss ecological problems.
Try to find answers to the problems facing the Earth.
Realise that life is held in a very delicate balance.
Be motivated to think about ways of saving energy on a personal level.
Discuss the importance of saving energy and the need for sensible energy consumption.
Think about ways to save energy at home and at school.
Become aware of how much energy we use in our daily lives.
Discuss the importance of water as a natural resource and the need to save water.

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