5908540
Description
Flashcards by Hamza Ahmed, updated more than 1 year ago
|
Created by Hamza Ahmed
almost 8 years ago
|
|
| Question | Answer |
| Energy | Hamza Ahmed Year 8 |
| What does energy do? | Energy moves or heats something, makes a noise or changes an object's shape |
| What is work? | Work is the effects of using energy. If an object is moved or changes in shape, work has been done |
| What are the forms of energy? | Kinetic, heat, light, sound and electrical |
| What is kinetic energy? | It's the energy of movement. Anything that moves has kinetic energy. |
| What is heat energy? | A measure of the total kinetic energy possessed by particles in a substance |
| What is light energy? | It's the form of energy that's visible |
| What is sound energy? | Energy that travels as vibrating waves and can be heard as sounds by our ears |
| What is electrical energy? | Energy that causes charged particles to move |
| What are joules? | The unit used to measure energy |
| How much energy do you need for a healthy lifestyle? | About the same energy that you require for your body to function |
| What is potential energy? | Potential energy is energy stored by an object |
| What are the four types of potential energy? | Gravitational potential energy, chemical energy, elastic potential energy and nuclear energy |
| What is chemical energy? | Energy stored in substances. Chemical energy your body gains from eating food. |
| What is gravitational potential energy? | It's energy stored in an object while it's above the ground |
| What is elastic potential energy? | Energy stored in a squashed or stretched string |
| What is nuclear energy? | Energy stored in the small particles that make up all matter |
| Who is the blade runner? | Oscar Pistorius |
| Why is he called the blade runner? | A sprinter who has prosthetic running blades due to him missing the lower parts of both of his lower legs |
| How do the blades work? | The blades store elastic potential energy which is then released as the athlete runs |
Want to create your own Flashcards for free with GoConqr? Learn more.