P1.1 Changes in energy stores Flashcards
1
Q
What are some examples of the chemical energy store?
A
Fuels
Foods
Chemicals found in batteries
2
Q
What does the kinetic energy store include?
A
It contains the energy that an object has when it’s moving
3
Q
What are some examples of how energy stores?
A
Chemical Kinetic Gravitational potential store Elastic potential store Thermal energy
4
Q
What does a flow diagram show?
A
Shows the energy transfer
5
Q
Why does an object which falls freely starts to speed up?
A
Force of gravity acting on the object causes energy to be transferred from its gravitational potential energy store to its kinetic energy sotre
6
Q
What happens when a falling object hits the ground without bouncing back?
A
Its kinetic energy stores decreases
Some or all of its energy is transferred to the surroundings - through heat or sound waves
