Energy transfers Watch the animation on the site « The animals save the planet » (http://www.animalssavetheplanet.com). http://www.youtube.com/watch?v=_kocZ-j-o3I
Comprehension : Translate into French: The animals save the planet: Choose the right words: This picture takes place in an igloo/an isba /a casa. The bear/beer/bier is sitting on a sofa while the penguin is walking/running/pedalling. When the penguin speeds up/slows down, the light reduces. When the penguin speeds up/slows down, the light increases. When the bear gives the penguin a fish/ a slap/ a sweet it pedals more/less. The bigger the fish is, the less/the more the penguin pedals. With the first bulb (lamp), the penguin needs to pedal more/less to obtain the same lighting. The second bulb (lamp) needs less/more energy to light up.
Physics 1)For each of these energies, say if the penguin uses it or produces it. Chemical energy: Mechanical energy (furnished by the muscles): Thermal energy: 2) What is happening when the penguin pedals ? Use the words: alternator, convert, energy, fish, mechanical, electrical, energy 3) Put the right word at the right place and find the sentence you eared : Energy, bulbs, fifth, energy, ordinary, use, of the, one, bulbs, of, saving Convert one fifth in percent.(make a sentence) 4) Here is the graph of the conversion of energy in a lamp : Lighting energy Electrical energy
Thermal energy lamp
Use the same graph to schematize the conversion of energy in the penguin:
penguin
Partie française : Traduis en français la phrase de conclusion du dessin animé : Comment s’appelle l’objet derrière le manchot ? Décris les transformations énergétiques du poisson à l’ampoule par des schémas. Cite tous les types d’énergie transférés ou convertis :
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