Energy Textbook Questions Flashcards
1
Q
Which two types of energy does a satellite in orbit around the Earth possess?
A
Kinetic energy and gravitational potential energy
2
Q
Give the energy change when wind passes through a wind turbine.
A
Input wind energy is changed to useful electrical output energy
3
Q
Give an advantage of tidal barrages.
A
Low running costs
4
Q
Give a disadvantage of tidal barrages.
A
Damage marine habitats
5
Q
How are hydroelectric power stations linked to the Sun’s energy?
A
Through the water cycle
6
Q
Work done is force multiplied by what?
A
Distance moved in the direction of the force
7
Q
Give the energy changes that occur in dishwasher.
A
Electrical energy changes to useful kinetic energy, useful heat energy and wasted sound energy
