Changing energy

Changing energy

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This task is about the transformation of energy from one form to another.

Question 1Change answer

a)  Energy can be changed from one form to another.
     Name an object or situation that can make each of the following changes possible
     (the first one is done for you):
 
     i)   Heat to kinetic:       Steam engine 

     ii)  Electrical to light:  

     iii) Chemical potential to heat:  

     iv)  Kinetic to sound:  

     v)   Gravitational potential to kinetic:  

Question 1Change answer

b)  What is the main energy transformation happening in each of these objects?
 
i)   Car engine: from  to 

ii)  Hair dryer:  to 

iii) Burglar alarm:  to 

iv)  Escalator:  to 
Task administration: 
This task can be completed with pencil and paper or online.
Level:
5
Curriculum info: 
Science, Knowledge, Physical World
Keywords: 
energy transformation, energy
Description of task: 
Task: Give examples of described energy transformations, and name energy transformations involved with named objects.
Answers/responses: 
     

Y10 (09/1997)
a)
ii)
iii)
iv)
 
v)
 Light bulb (or any other correctly identified object).
Gas heater; fire; fireworks; car engine (or any other correctly identified object).
Any moving object hitting the ground; musical instrument; aeroplane (or any other correctly identified object).
Any falling object (or any other correctly identified object).		 3-­4 correct-difficult

1-­2 correct – very easy
b) i)
ii)
iii)
iv)		 Chemical potential to kinetic (or heat).
Electrical energy to heat (or sound or kinetic).
Electrical energy to sound.
Electrical energy to gravitational potential energy or kinetic.		 3-­4 correct – difficult

1-­2 correct – moderate