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NST1502 assignment 4 Porftolio 2024 solutions
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- University Of South Africa (Unisa)
NST1502 assignment 4 Portfolio 2024 solutions
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DEPARTMENT OF SCIENCE AND TECHNOLOGY EDUCATION2024
NST1502
NATURAL SCIENCE AND TECHNOLOGY FOR THE CLASSROOM 2
PORTFOLIO (Assignment 04)
ASSIGNMENT DUE DATE: 08 October 2024
ASSIGNMENT TOTAL MARKS: 100
,PORTFOLIO (Assignment 04) - WRITTEN COMPULSORY (100 Marks)
ASSIGNMENT WEIGHTING
Assignment 04 100 %
ANSWER ALL THE QUESTIONS.
"Using ChatGPT responses may be considered plagiarism, which could lead to the
submission of your portfolio script to the disciplinary committee for further action."
Dear Students,
This portfolio serves as your summative exam for the “Natural Science and Technology for
the Classroom 2” module. It is designed to assess your understanding and knowledge of the
course materials covered throughout the year.
Since it is an exam, no late submission will be allowed. Additionally, no emailed portfolio will
be allowed or entertained. Goodluck.
QUESTION 1
Energy Basics [18 marks]
1.1 Define and explain the different forms of energy, providing real-world examples for each.
(Focus on the following forms of energy; Kinetic energy; potential energy; thermal
energy; chemical energy; electrical energy, light energy, and sound energy). (14)
1.2 Discuss the concept of energy transformation, giving examples of how one form of energy
can be converted into another. (4)
QUESTION 2
Renewable and Non-Renewable Energy Sources [18 Marks]
2.1 Compare renewable and non-renewable energy sources in terms of availability,
environmental impact, and sustainability. (6)
2.2 Provide three examples of renewable and non-renewable energy sources. (6)
2.3 Discuss three environmental impacts of renewable and non-renewable energy sources.
(6)
, HONESTY DECLARATION
Your exam script will not be marked if this is not completed.
I, ………...……………………………………………………….
(Name & Surname)
Student number: ……………………………………………….
Module code: …………………………………………………..
Hereby declare the following:
I understand Unisa’s policy on plagiarism. This examination is my original work produced by
myself. I have duly acknowledged all other people’s work (both electronic and print) through
the proper reference techniques as stipulated in this module.
I have not copied the work of any other person and handed it in as my own. I have also not
made my work available to any fellow students to submit as their own.
Signature: ……………… Date: ………………………
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