8070390
Description
Flashcards by lily bevan, updated more than 1 year ago
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Created by lily bevan
over 7 years ago
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| Question | Answer |
| Which of these can happen to energy? | Converted |
| What type of energy is also called movement? | Kinetic |
| Which type of appliance would convert electrical energy into sound energy? | A speaker |
| What type of diagram is used to show energy efficiency? | Sankey |
| How do we calculate percentage efficiency? | (useful energy out / total energy in) x 100 |
| Which arrow is bigger in a Sankey diagram for a filament lamp? | Heat |
| What are the units for energy? | Joules |
| What is the main useful energy transfer that happens in cars? | Chemical to Kinetic |
| What energy transfer happens in many musical instruments? | Kinetic to sound |
| What is the main type of energy transfer in a catapult? | Elastic potential to kinetic |
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