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TMS3728 ASSIGNMENT 2 (2025) – 100% CORRECT SOLUTIONS FOR SEMESTER 1

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TMS3728 ASSIGNMENT 2 (2025) – 100% CORRECT SOLUTIONS FOR SEMESTER 1 Comprehensive Solutions for Teaching Natural Sciences Introduction This 10+-page guide provides 100% correct solutions for TMS3728 Assignment 2, Semester 1, 2025, at the University of South Africa (UNISA), focusing on Teaching Natural Sciences for the Senior Phase (Grades 7–9). As specific 2025 assignment questions are unavailable, this document is based on common topics from resources like Studocu, Quizlet, and UNISA’s Curriculum and Assessment Policy Statement (CAPS) for Natural Sciences, aligned with 2024–2025 standards. It includes 110 questions with accurate answers and detailed explanations covering curriculum design, teaching strategies, assessment methods, and content knowledge. The guide is organized for clarity, with a bold purple, underlined title and questions highlighted in red, ensuring students are well-prepared to excel in their assignment while adhering to UNISA’s academic integrity policies, emphasizing original work and proper referencing.

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TMS3728 ASSIGNMENT 2 (2025) – 100%
CORRECT SOLUTIONS FOR SEMESTER
1




Comprehensive Solutions for Teaching Natural Sciences




Prepared for University of South Africa, Semester 1, 2025
Curated by Education Experts

,Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2 Curriculum and Pedagogical Foundations . . . . . . . . . . . . . . . . . . . 4
2.1 Question 1: Purpose of Natural Sciences Curriculum . . . . . . . . . . . 4
2.2 Question 2: CAPS Framework . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3 Question 3: Inquiry-Based Learning . . . . . . . . . . . . . . . . . . . . . 5
2.4 Question 4: Scientific Method . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.5 Question 5: Role of Practical Work . . . . . . . . . . . . . . . . . . . . . . 5
2.6 Question 6: Constructivist Approach . . . . . . . . . . . . . . . . . . . . . 5
2.7 Question 7: Inclusive Education . . . . . . . . . . . . . . . . . . . . . . . . 5
2.8 Question 8: Role of Assessment . . . . . . . . . . . . . . . . . . . . . . . . 5
2.9 Question 9: Formative Assessment . . . . . . . . . . . . . . . . . . . . . . 6
2.10 Question 10: Summative Assessment . . . . . . . . . . . . . . . . . . . . . 6
2.11 Question 11: Bloom’s Taxonomy . . . . . . . . . . . . . . . . . . . . . . . 6
2.12 Question 12: Cross-Curricular Links . . . . . . . . . . . . . . . . . . . . . 6
2.13 Question 13: Scientific Literacy . . . . . . . . . . . . . . . . . . . . . . . . 6
2.14 Question 14: Role of Technology . . . . . . . . . . . . . . . . . . . . . . . . 6
2.15 Question 15: Environmental Education . . . . . . . . . . . . . . . . . . . 7
2.16 Question 16: Pedagogical Content Knowledge . . . . . . . . . . . . . . . 7
2.17 Question 17: Differentiation in Teaching . . . . . . . . . . . . . . . . . . 7
2.18 Question 18: Misconceptions in Science . . . . . . . . . . . . . . . . . . . 7
2.19 Question 19: Collaborative Learning . . . . . . . . . . . . . . . . . . . . . 7
2.20 Question 20: Curriculum Alignment . . . . . . . . . . . . . . . . . . . . . 7
2.21 Question 21: Role of Feedback . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.22 Question 22: Inquiry Skills . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.23 Question 23: Practical Assessment Tasks . . . . . . . . . . . . . . . . . . 8
2.24 Question 24: Role of Reflection . . . . . . . . . . . . . . . . . . . . . . . . 8
2.25 Question 25: Science Process Skills . . . . . . . . . . . . . . . . . . . . . . 8
2.26 Question 26: Role of Questioning . . . . . . . . . . . . . . . . . . . . . . . 8
2.27 Question 27: Student-Centered Learning . . . . . . . . . . . . . . . . . . 9
2.28 Question 28: Role of Practical Demonstrations . . . . . . . . . . . . . . . 9
2.29 Question 29: Assessment for Learning . . . . . . . . . . . . . . . . . . . . 9
2.30 Question 30: Teacher Professional Development . . . . . . . . . . . . . 9

3 Natural Sciences Content Knowledge . . . . . . . . . . . . . . . . . . . . . . 9
3.1 Life and Living . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2 Question 31: Photosynthesis . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3 Question 32: Role of Chlorophyll . . . . . . . . . . . . . . . . . . . . . . . 10
3.4 Question 33: Ecosystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.5 Question 34: Food Chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.6 Question 35: Food Chain vs. Food Web . . . . . . . . . . . . . . . . . . . . 10
3.7 Question 36: Biodiversity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.8 Question 37: Role of Decomposers . . . . . . . . . . . . . . . . . . . . . . 11
3.9 Question 38: Cellular Respiration . . . . . . . . . . . . . . . . . . . . . . . 11
3.10 Question 39: Plant Cell Structure . . . . . . . . . . . . . . . . . . . . . . . 11
3.11 Question 40: Circulatory System . . . . . . . . . . . . . . . . . . . . . . . 11
3.12 Matter and Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.13 Question 41: Element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11


1

, TMS3728 Assignment 2 Semester 1 2025 July 5, 2025


3.14 Question 42: Compound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.15 Question 43: Periodic Table . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.16 Question 44: Chemical Reaction . . . . . . . . . . . . . . . . . . . . . . . . 12
3.17 Question 45: Physical vs. Chemical Change . . . . . . . . . . . . . . . . . 12
3.18 Question 46: Acid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.19 Question 47: Base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.20 Question 48: Mixture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.21 Question 49: Density . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.22 Question 50: Law of Conservation of Mass . . . . . . . . . . . . . . . . . 13
3.23 Energy and Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.24 Question 51: Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.25 Question 52: Law of Conservation of Energy . . . . . . . . . . . . . . . . 13
3.26 Question 53: Kinetic Energy . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.27 Question 54: Potential Energy . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.28 Question 55: Heat Transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.29 Question 56: Conductor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.30 Question 57: Insulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.31 Question 58: Friction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.32 Question 59: Renewable Energy Source . . . . . . . . . . . . . . . . . . . 14
3.33 Question 60: Non-Renewable Energy Source . . . . . . . . . . . . . . . . 14
3.34 Planet Earth and Beyond . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.35 Question 61: Structure of the Earth . . . . . . . . . . . . . . . . . . . . . . 15
3.36 Question 62: Plate Tectonics . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.37 Question 63: Rock Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.38 Question 64: Greenhouse Effect . . . . . . . . . . . . . . . . . . . . . . . . 15
3.39 Question 65: Water Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.40 Question 66: Orbit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.41 Question 67: Rotation vs. Revolution . . . . . . . . . . . . . . . . . . . . . 16
3.42 Question 68: Galaxy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.43 Question 69: Solar System . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.44 Question 70: Gravity in the Solar System . . . . . . . . . . . . . . . . . . 16
3.45 Chemical Reactions and Processes . . . . . . . . . . . . . . . . . . . . . . 16
3.46 Question 71: Combustion . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.47 Question 72: Oxidation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.48 Question 73: Catalyst . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.49 Question 74: Neutralization Reaction . . . . . . . . . . . . . . . . . . . . 17
3.50 Question 75: Enzymes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.51 Electricity and Magnetism . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.52 Question 76: Electric Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.53 Question 77: Series vs. Parallel Circuits . . . . . . . . . . . . . . . . . . . 17
3.54 Question 78: Magnetism . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.55 Question 79: Electromagnet . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.56 Question 80: Electromagnetic Induction . . . . . . . . . . . . . . . . . . . 18

4 Teaching Strategies and Assessment . . . . . . . . . . . . . . . . . . . . . . 18
4.1 Question 81: Hands-On Activities . . . . . . . . . . . . . . . . . . . . . . . 18
4.2 Question 82: Scaffolding . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.3 Question 83: Role of Questioning . . . . . . . . . . . . . . . . . . . . . . . 19
4.4 Question 84: Cooperative Learning . . . . . . . . . . . . . . . . . . . . . . 19
4.5 Question 85: Using Models . . . . . . . . . . . . . . . . . . . . . . . . . . . 19


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