Energy Flashcards
1
Q
What is the Energy transfer principal
A
Energy is never lost, it is only changed from one type to another
2
Q
Types of energy ( not potential)
A
kinetic
heat
light
sound
electric
nuclear
3
Q
Types of potential energy
A
Gravtiational potential
chemical Potential
Elastic Potential
4
Q
Advantages of Renewable energy
A
- Never going to end
- Doesn’t release CO2 into atmospehrre
5
Q
Disadvantges of renewable energy
A
1.Not much energy produced/ less reliable
2. Expensive- costs lots for solar panels and wind turbines
6
Q
what is energy measured in
A
Joules or KiloJoules (j) + (kj)
7
Q
Advatages of non renewable energy
A
- lots of energy produced
- cheap and reliable
8
Q
Disadvantages of non renewable energy
A
- Bad for enviroment= releases Co2 into atmosphere.
- Will run out as they take millions of years to form
9
Q
What is wasted energy in an object
A
the energy that is produced but isn’t what the object is used for
10
Q
example of wasted energy
A
heat in a lightbulb
11
Q
A
