Advertisements
Advertisements
Question
Give two examples each of renewable and non-renewable sources of energy?
Advertisements
Solution
Renewable sources of energy: Solar energy and wind energy.
Non-renewable sources of energy: coal and oil.
APPEARS IN
RELATED QUESTIONS
What is geothermal energy?
Select the correct alternatives
The energy stored in an electric cell is
State two advantages of using wind energy for generating electricity.
The following are some of the energy transformations.
A. Electrical to light
B. Work to heat
C. Chemical to light
D. Electrical to sound
E. Mechanical to electrical
Identify the energy transformation that takes place in the following by inserting the corresponding letter in the shape provided.
(i) A candle flame
(ii) A torch is lighted
(iii) A microphone is used in a meeting
(iv) A cycle dynamo
(v) A piece of metal is being filed
Identify the type of energy possessed by the body in each of the following:
(a) A coiled spring of the toy car
(b) A hammer which is raised
(c) A stone shot from a catapult
(d) Water stored in the overhead tank
(e) A tadpole moving in water.
A metal ball of mass 2kg is allowed to fall freely from rest from a height of 5m above the ground.
What the kinetic energy of the ball just before it hits the ground ?
What is the main energy transformation that occur in:
Charging of a battery.
Can you tell?
What are the various forms of energy?
Use your brain power!
Why do tablets of camphor decrease in size day by day?
