NST1502 Assignment 2 (COMPLETE ANSWERS) 2024 - DUE 18 June 2024 ; 100% TRUSTED workings, explanations and solutions.
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Course
Natural Science and Technology
Institution
University Of South Africa
Book
Natural Sciences and Technology for Grade 6
NST1502 Assignment 2 (COMPLETE ANSWERS) 2024 - DUE 18 June 2024 ; 100% TRUSTED workings, explanations and solutions....... 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 ...
NST1502 Assignment 2 (COMPLETE ANSWERS) 2024 - DUE 18 June 2024 Course Natural Science and Technology (NST1502) Institution University Of South Africa (Unisa) Book Natural Sciences and Technology for ...
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NST1502 Assignment
2 (COMPLETE
ANSWERS) 2024 - DUE
18 June 2024 ; 100%
TRUSTED workings,
explanations and
solutions.
ADMIN
[COMPANY NAME]
,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: English
Definition: Energy is the ability to do work or cause change.
1.3 What do green plants depend on to make food? (2)
Green plants depend on sunlight, water, carbon dioxide, and
chlorophyll 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 oxygen and food. Plants
produce oxygen during photosynthesis and form the base of the
food chain as primary producers.
1.6 Name seven life processes that require energy. (7)
1. Movement: Muscles require energy to contract and enable
movement.
2. Respiration: Cells use energy to convert glucose into
usable energy.
3. Sensitivity: Energy is needed for the nervous system to
respond to stimuli.
4. Growth: Energy is required for cell division and growth.
5. Reproduction: Energy is necessary for producing
offspring.
6. Excretion: Removing waste products from the body
requires energy.
7. Nutrition: The process of consuming and digesting food to
obtain energy.
1.7 Can any living organism exist without energy? (1)
No, no living organism can exist without energy. All life
processes require energy.
1.8 How is energy measured? (2)
Energy is measured in joules (J) in the International System of
Units (SI). It can also be measured in calories (cal), where 1
calorie equals 4.184 joules.
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