Exam (elaborations)
NST1502 Assignment 2 2024 - DUE 18 June 2024
- Course
- NST1502 (NST1502)
- Institution
- University Of South Africa (Unisa)
QUESTIONS AND ANSWERS NST1502 Assignment 2 2024 - DUE 18 June 2024
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+254792947610NST1502
Assignment 2 2024 -
DUE 18 June 2024
QUESTIONS WITH DETAILED ANSWERS
,NST1502 Assignment 2 2024 - DUE 18 June 2024
NST1502 Assignment 2 2024 - DUE 18 June 2024
QUESTION 1
1.1 Define Energy. (2)
1.2 Use your native language to define energy. Name the language and define it. (2)
1.3 What do greens plants depend on to make food? (2)
1.4 What process do green plants use to make food? (2)
1.5 What do animals depend on green plants for? (2)
1.6 Name seven life processes that requires energy. (7)
1.7 Can any living organism exist without energy? (1)
1.7 How is energy measured? (2) [20]
1.1 Define Energy. (2)
Energy is the ability to do work or cause change. It exists in various forms such as kinetic,
potential, thermal, electrical, chemical, and nuclear energy.
1.2 Use your native language to define energy. Name the language and define it. (2)
Language: Zulu
Amandla kuyikhono lokuzenza umsebenzi noma ukuguqula izinto. Amandla akhona
ngezinhlobo ezahlukene ezifana namandla okunyakaza, amandla aqoqene, amandla
okushisa, amandla kagesi, amandla amakhemikhali, namandla enyukliya.
1.3 What do green plants depend on to make food? (2)
NST1502 Assignment 2 2024 - DUE 18 June 2024
, NST1502 Assignment 2 2024 - DUE 18 June 2024
Green plants depend on sunlight, carbon dioxide from the air, and water from the soil to make
food.
1.4 What process do green plants use to make food? (2)
Green plants use the process of photosynthesis to make food.
1.5 What do animals depend on green plants for? (2)
Animals depend on green plants for food and oxygen.
1.6 Name seven life processes that require energy. (7)
1. Movement
2. Respiration
3. Sensitivity (response to stimuli)
4. Growth
5. Reproduction
6. Excretion
7. Nutrition
1.7 Can any living organism exist without energy? (1)
No, no living organism can exist without energy.
1.8 How is energy measured? (2)
Energy is measured in joules (J) in the International System of Units (SI). Other units such as
calories and kilowatt-hours (kWh) are also used depending on the context.
NST1502 Assignment 2 2024 - DUE 18 June 2024
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