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Unit 1.3 Energy Transfers [Year]BTEC Level 3 Extended Diploma in Applied Science
Assignment Front Sheet/Feedback Sheet
Unit 1: Fundamentals of Science
Assignment Title: 1.3 Energy Transfers
Registration
Learner’s Name:
number:
Start Date: Deadline:
Grading Criteria: Met
P6 Describe different types of energy transfer.
M3 Carry out a practical demonstration of a range of energy interconversions with appropriate
explanations of the systems investigated.
D3 Evaluate the efficiencies of energy conversion systems.
Assessor’s Checklist: Done
P6 1 Completed flow diagrams of energy conversion systems, Task 1(a).
2 Described the energy conversions shown by the flow diagrams, Task 1(b).
M3 3 Carried out a practical demonstration of a telephone system with a microphone, amplifier
and loudspeaker on
4 Recorded observations and explain them.
5 Explained the practical demonstration (i.e. why energy is converted from one form into
another).
6 Carried out a practical demonstration of an electric motor lifting a load on
7 Recorded measurements of the time taken to lift the load.
8 Explained the practical demonstration of electric motor (i.e. why energy is converted from
one form into another).
9 Carried out a practical demonstration the energy transformation of a solar cell on
10 Recorded voltage measurements for a range of angles between solar cell and lamp.
11 Explained the practical demonstration of the solar cell (i.e. why energy is converted from
one form into another).
D3 12 Task 3(a): Calculated the efficiency of the motor lifting a 20 g load through a height of 1.5
m.
13 Task 3(a): Calculated the efficiency of the motor lifting a 40 g load through a height of 1.5
m.
14 Explained the difference between the efficiency results calculated in Task 3(a).
15 Stated at which angle the solar cell is most efficient and at which angle it is least efficient.
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