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Description
Flashcards by Nowshin Jainob, updated more than 1 year ago
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Created by Nowshin Jainob
about 7 years ago
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| Question | Answer |
| Energy around you Unit- 5.1 | By Nowshin |
| What is energy? | The ability to make a change happen |
| Name the forms of energy | Kinetic energy Heat energy Sound energy Light energy Electrical energy |
| What is stored energy? | Energy that is stored and gives the obeject the potential to make things happen |
| Give an example of stored energy | Books on a shelf and petrol in a cars fuel tank |
| What form of energy does your body gain from the food you eat? |
Chemical energy
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| What are the 4 types of potential energy? | Gravitational Chemical Elastic Nuclear |
| Describe gravitational potential energy | Energy stored in an object when it is above ground |
| Describe chemical energy | Energy that is stored in substances |
| Describe elastic potential energy |
Energy stored in a squashed or streched spring
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| Describe nuclear energy | Energy that is stored inside the tiny atoms that make up all matter |
| What is energy transfer? | The flow of energy from one object into another object |
| Give an example of energy transfer |
When you kick a ball kinetic energy is transferred to the ball causing the ball to move
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| In what ways can heat be transferred? | Conduction Convection Radiation |
| What is conduction? | Heat transfer between two objects in contact |
| Give an example of conduction | When you consume soup and you feel the heat of the soup as it warms your mouth |
| What is convection? | The transfer of heat in a liquid or gas |
| Give an example of convection | When a heater is truned on you dont need to touch it to feel the heat as it is transfered to your body |
| What is radiation? | Heat transfer as a wave that can even travel through the vacuum of space |
| Give an example of radiation | The heat of the sun |
| What is energy transformation? | The conversion of one type of energy into another type |
| Give an example of energy transformation | The conversion of electrical energy used in an MP3 player into sound, light and heat energy |
| What does the law of conservation of energy state? | Energy can never be created or destroyed |
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