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Unit 10: Obtaining and using energy
EduBook Organización
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Acid rain (n): rain which is acidic due to the presence of pollutants. balanced (adj): distributed evenly. biomass (n): organic matter used as a source of energy. blade (n): the arm which makes a wind…
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Unit 3: The Universe and our Solar System
EduBook Organización
- 2182 visitas
Asteroid (n): a small irregular body of rock or metal that orbits around the Sun. asteroid belt (n): the space between Mars and Jupiter where most asteroids are found. Big Bang theory (n): the theory…
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Summaries - Obtaining and using energy
EduBook Organización
- 2051 visitas
1. Forms of energy Energy is a property of matter which gives it the ability to produce change in its own physical and chemical properties and in those of other bodies... The main forms. of energy are:…
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Check. Materials that conduct and insulate heat
EduBook Organización
- 1987 visitas
Remember what you have studied in this section and answer the questions: What are the three ways by which heat is propagated? Give one example of each. Does matter move in convection? And in radiation?…
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Summaries - Waves. Light and sound
EduBook Organización
- 1923 visitas
1. Waves An oscillatory or vibratory motion takes place around a central position. It produces the same amount of movement on both sides of this position. A wave is the transmission of an oscillatory or…
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Biofuels: plant materials to replace oil
EducaMadrid Organización
- 4336 visitas
Facing the growth of CO2 emissions from transport and the difficulty to find alternatives to the traditional fuels for transport, Europe is proposing an immediate answer. It is encouraging the…
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Forms of energy
EduBook Organización
- 1864 visitas
1.1. Energy Energy is a property of matter which gives it the ability to produce change in its own physical and chemical properties and in those of other bodies. 1.2. The main forms of energy The main…
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Work it out. The natural environment
EduBook Organización
- 1801 visitas
Remember what you have studied in this section and answer the questions: What environmental conditions prevent the existence of life on the other planets in the Solar System? Why is light a limiting…
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Energy transfer: heat
EduBook Organización
- 1783 visitas
1.1. Heat The particles that make up matter store energy: Heat or thermal energy is the energy that is transferred from hot bodies to cold bodies (figure 1). All the particles that make up bodies have…
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Atoms and molecules
EduBook Organización
- 1778 visitas
3.1. Atoms The smallest units of matter are called atoms. All substances are made up of atoms. Atoms contain three types of particles: protons, neutrons and electrons. Protons and neutrons are located…