Energy Stores And Transfers Flashcards
What is the unit for measuring energy ?
Joules
What is the name for energy stored in a hot object
Thermal energy
How is energy transferred from hot objects to their surroundings
Evaporation
Energy stored in petrol in a car is transferred to energy stored in the moving car . What are the names of these two energy stores
Chemical and kinetic energy
If 100j of energy is transferred into a machine how much I’d transferred out
100j
In what way is the most wasted energy transfers
Heating
When an object is moved to a higher position what name is given to the energy that in then stores
Elastic potential and kinetic
What are the energy transfers when a moving car slows down
Thermal energy in the brakes
Name 3 different types of object or substance that stores energy in chemical
Food , fuel , batteries
Energy stored in moving objects is called
Kinetic energy
Energy stored in hot objects is called
Thermal energy
Energy stored in stretched squashed or twisted material is called
Strain energy or elastic potential energy
Energy stored in high positions is called
Gravitational potential energy
Energy stored in atoms is called
Atomic energy or nuclear energy