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Talk about it. Obtaining and using energy
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Look at the pictures and answer the questions: Is the Sun a source of energy? And a bonfire? List five sources of energy. Which of them could run out? Will we always have oil to use? Name a source of…
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Check. Test yourself
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Remember what you have studied in this unit and answer the questions: List different forms of energy and give two examples of when each one operates. What type of energy is possessed by a girl who is…
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Summaries - Heat and temperature
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1. Energy transfer: heat Heat or thermal energy is the energy that is transferred from hot bodies to cold bodies. All the particles that make up bodies have internal energy; the particles in a hot body…
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Choose. Heat and temperature
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Choose the correct answer: What kind of energy is transformed into heat in a wood fire? Why do the handles of cookware tend to be made of plastic? What is a thermometer?
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Effects of heat on bodies (I)
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3.1. Increase in temperature Heat must be added to increase the temperature of a body. This causes the particles that make up the body to increase their speed. For this reason, the increase in…
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Check. Light, shadow and penumbra
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Remember what you have studied in this section and answer the questions: Name two effects that show that light travels in a straight line. Can you demonstrate it now? With a classmate, describe the…
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True/false. The enlightened despotism
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Are the following sentences about enlightened despotism true or false?: Everything for the people, nothing by the people perfectly defines the nature of enlightened despotism. One of the characteristics…
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Did you know...
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During the French Revolution, citizens were grouped into societies (clubs) according to their political affinities and in order to have some influence in the Assembly. Amongst the most popular clubs…
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Match. Concepts of the birth of industry
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Match the definition with a concept: Machine invented by James Watt that burned coal and became a symbol of the Industrial Revolution. Textile imported from India that was later banned in order to…
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Initial evaluation T7 04 - Art in the 19th century
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Indicate whether the following statements are true (T) or false (F): Rococo is an artistic and decorative style which is characterised by its simple and austere forms. The values of Romanticism were the…