KS3 Physics – Energy Transfers – 2 – Exam Style Questions with Answers Posted bynatsundarisJune 12, 2021December 20, 2022Posted inUncategorized 511 Created on June 07, 2021 By Nat Sundar KS3 Physics Energy 1 / 22 True or false. Energy can be created and destroyed. False True 2 / 22 Which form of energy is NOT present in this conversion? Light Kinetic Electrical Sound 3 / 22 According to which law of energy, energy can't be created or destroyed? First law of motion law of conservation of energy The law of tacos Laws of Energy 4 / 22 Which statement is true? The slower a molecule moves, the warmer it is. The movement on molecule don't affect its temperature. he quicker a molecule moves, the colder it is. The quicker a molecule moves, the warmer it is 5 / 22 You hit the brakes on your bike. The bike slows down and the brake pads increase in temperature. What type of energy decreased when you hit the brakes? Elastic energy Kinetic energy Gravitational energy Thermal energy 6 / 22 Which form of energy is mostly produced in this conversion? Kinetic Electrical Thermal Sound 7 / 22 Which form of energy is wasted in this device? Thermal Electrical Light Sound 8 / 22 What are the energy transfers when a ball bounces? kinetic → sound → gravitational elastic → kinetic → elastic kinetic → heat → kinetic kinetic → elastic → kinetic 9 / 22 What type of energy is stored in food and fuel? Potential thermal calories chemical 10 / 22 Which form of energy is mostly produced in this conversion? Electrical Thermal Sound Kinetic 11 / 22 Which form of energy is mostly produced in this conversion? (It's a solar cell against the window) Thermal Sound Electrical Kinetic 12 / 22 Which type of energy store is to do with food fuels and batteries? Elastic chemical Kinetic Thermal 13 / 22 What is the unit of energy? metres joules grams watts 14 / 22 What energy store is associated with a tennis ball held 1 m above the floor? Thermal Elastic Kinetic Gravitational 15 / 22 A cat is sleeping on a tree branch. What type of energy does the cat possess? elastic energy kinetic energy gravitational energy 16 / 22 This tool's purpose is to generate which form of energy? Kinetic Sound Light Electrical 17 / 22 When a moving car slows down, a lot of the kinetic energy is transferred by forces to a thermal energy store in the brakes. False True 18 / 22 Which direction will the heat flow while this person holds a hot cup of tea? from her hand to the cup no heat is transferred from the cup to her hand 19 / 22 What is the name for energy stored in a hot object? Potential Electrical Fire Thermal 20 / 22 Energy stored in petrol in a car is transferred to energy stored in a moving car. What are the names for these two energy stores? chemical and electrical electrical and kinetic strain and kinetic chemical and kinetic 21 / 22 When an object is moved to a higher position, what name is given to the energy it then stores? Elastic Potential Height Gravitational Potential 22 / 22 This tool's purpose is to produce which form of energy? Electrical Sound Thermal Kinetic Your score is The average score is 67% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Was this article helpful?YesNo