GCSE Science A Physics 1 Generation of Electricity Learning Outcomes Use data to estimate the power output of power stations and micro generators e.g.

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Presentation transcript:

GCSE Science A Physics 1 Generation of Electricity Learning Outcomes Use data to estimate the power output of power stations and micro generators e.g. from energy content of fuel and conversion efficiency. Experimentally determine the density of materials, including air and water. Use data to estimate the power output of power stations and micro generators e.g. from energy content of fuel and conversion efficiency. Experimentally determine the density of materials, including air and water.

GCSE Science A Physics 1 Generation of Electricity Efficiency

GCSE Science A Physics 1 Generation of Electricity

GCSE Science A Physics 1 Generation of Electricity Example 1: Jimmy is supposed to spend 5 hours a week doing homework. Because he has a poor attention span, he spends 2hrs during which he should be working, picking his nose and daydreaming. How efficient is Jimmy at doing his homework? [2] Example 1: Jimmy is supposed to spend 5 hours a week doing homework. Because he has a poor attention span, he spends 2hrs during which he should be working, picking his nose and daydreaming. How efficient is Jimmy at doing his homework? [2] %

GCSE Science A Physics 1 Generation of Electricity Example 2: Sarah is 80% efficient when it comes to doing her homework. If she is supposed to spend 8hrs a week on homework, how much of that time does she spend actually working (rather than thinking about shoes and boys). [3] Example 2: Sarah is 80% efficient when it comes to doing her homework. If she is supposed to spend 8hrs a week on homework, how much of that time does she spend actually working (rather than thinking about shoes and boys). [3] %

GCSE Science A Physics 1 Generation of Electricity Example 3: A nuclear PowerStation is 32% efficient at converting nuclear energy stored in the uranium, into electrical energy. If each gram of uranium contains 50kj of nuclear energy. How much energy will be produced by a power station, if it uses up 1kg of fuel? [4] Example 3: A nuclear PowerStation is 32% efficient at converting nuclear energy stored in the uranium, into electrical energy. If each gram of uranium contains 50kj of nuclear energy. How much energy will be produced by a power station, if it uses up 1kg of fuel? [4] kJ

GCSE Science A Physics 1 Generation of Electricity Density

GCSE Science A Physics 1 Generation of Electricity

GCSE Science A Physics 1 Generation of Electricity

GCSE Science A Physics 1 Generation of Electricity

GCSE Science A Physics 1 Generation of Electricity

GCSE Science A Physics 1 Generation of Electricity Example 1: After placing an odd shaped object in a measuring cylinder to measure its volume, Sheldon works out its mass, using a mass balance. He finds out that it has a volume of 0.1m 3 and a mass of 4kg. What is its density? [2] Example 1: After placing an odd shaped object in a measuring cylinder to measure its volume, Sheldon works out its mass, using a mass balance. He finds out that it has a volume of 0.1m 3 and a mass of 4kg. What is its density? [2]

GCSE Science A Physics 1 Generation of Electricity Example 2: Leonard is told that wood has a density of 0.5kg m -3. He submerges a piece of it in water and sees that it has a volume of 22 m 3 What is the mass of the piece? [3]

GCSE Science A Physics 1 Generation of Electricity Make a 30/60 second news bulletin about the lesson/learning. Some people will be chosen to share, and maybe even recorded! Make a 30/60 second news bulletin about the lesson/learning. Some people will be chosen to share, and maybe even recorded!