Energy (9) Flashcards
0
Q
What is the law of conservation of energy?
A
Energy cannot be created or destroyed. It can only be transferred from one form to another.
1
Q
What are sanky diagrams?
A
Diagrams to show energy transfers.
3
Q
Name a common form of waste energy
A
Heat, sound
3
Q
What is work done
A
A measure of how much energy is used.
4
Q
What are the different forms of energy?
A
Most Kids Hate Learning GCSE Energy Names
Magnetic Kinetic Heat Light Gravitational Chemical Sound Electrical Elastic Nuclear
5
Q
Equation for work done
A
Work done = force x distance.
6
Q
Symbol for work done
A
(J)
7
Q
Symbol for force applied
A
(N)
8
Q
Symbol for distance
A
(M)
9
Q
A force of 10N is applied to a box to move it 2m along the floor. What is the work done on the box?
A
The work done is 10N × 2M = 20J.
10
Q
Examples of renewable energy.
A
Biomass Wind power Water power Geothermal Solar
11
Q
Name the 3 types of potential energy.
A
Chemical
Elastical
Gravitational
