Chemistry Grade 7 Ethiopia

01
- How to Use the Online Platform
- General science Grade 8 Subject Introduction
02
- Introduction
- Indigenous Measurements of Length and Mass
- Indigenous Measurement Methods(Continued)
- Quiz 1
- Worked Examples on Indigenous Measurements
- Fundamental and Derived Physical Quantities
- Quiz 2
03
- Physical Quantities and Scientific Measurement
- The Four Derived Physical Quantities
- Physical Quantities
- Quiz 1
- How to determine the the Units of Derived Physical Quantities
- What is Prefix?
- How to Convert Units of Measurements
- Quiz 2
04
- Measuring Physical Quantities
- Measuring Mass
- Measuring Length
- Measuring time
- Measuring Temperature
05
- Accuracy and Precision in Scientific Measurement
- How to determine Accuracy and Precision of Measurement
- Easiest ways to determine Accurate and Precise Measurements
- Exercise 1.10- Solved
06
- The Scientific Method
- Unit Summary
- Review Questions on Unit 1
07
- GS G8 S6 L1(Democritus's & Arisotle's View of Matter
- GS G8 S6 L2(The Inside of an Atom
- GS G8 S6 L3(Atomic Number and Mass Number
- GS G8 S6 L4(How to Determine Number of Protons, Neutrons and Electrons
- GS G8 S6 L5(Molecules
- GS G8 S6 L6(How to Identify Molecule of Elements and Compounds
08
- Gs G8 S7 L1(Summary of Unit 2
- Gs G8 S7 L2(Review Questions on Unit 2 Part 1
- Gs G8 S7 L2(Review Questions on Unit 2 Part 1
- Gs G8 S7 L3(Review Questions on Unit 2-Part 2.27316.15244
- Gs G8 S7 L3(Review Questions on Unit 2-Part 2.27316.15244
- Gs G8 S7 L3(Review Questions on Unit 2-Part 2.27316.15244
- Gs G8 S7 L3(Review Questions on Unit 2-Part 2
- GS G8 S7 L4(Review Questions on Unit 1 Part 3
09
- GS Gr8 S8 L1(2015)
- GS Gr8 S8 L2 (2015)
- GS Gr8 S8 L3 (2015)
- GS Gr8 S8 L4 (2015)
- GS Gr8 S8 L5 (2015)
- GS Gr8 S8 L6 (2015)
10
- GS Gr8 S9 L1 (2015)
- GS Gr8 S9 L2(2015)
- GS Gr8 S9 L3 (2015)
- GS Gr8 S9 L4 (2015)
- GS Gr8 S9 L5 (2015)
11
- GS Gr8 S10 L1 (2015)
- GS Gr8 S10 L2 (2015)
- GS Gr8 S10 L3 (2015)
- GS Gr8 S10 L4 (2015)
12
- GS Gr8 S11 L1 (2015)
- GS Gr8 S11 L2 (2015)
- GS Gr8 S11 L3 (2015)
- GS Gr8 S11 L4 (2015)
- GS Gr8 S11 L5 (2015)
13
- GS Gr8 S12 L1 (2015)
- GS Gr8 S12 L2 (2015)
- GS Gr8 S12 L3 (2015)
- GS Gr8 S12 L4 (2015)
- GS Gr8 S12 L5 (2015)
- GS Gr8 S12 L6 (2015)
14
- GS-G8-S13-L1
- GS-G8-S13-L2
- GS-G8-S13-L3
- GS-G8-S14-L4
- GS-G8-S13-L5
- Neutralization reaction
- Quiz 1
- Quiz 2
15
- GS G8 S14 L1(2015)
- GS G8 S14 L2(2015)
- GS G8 S14 L3(2015)
- GS G8 S14 L4(2015)
- GS G8 S14 L5(2015)
- GS G8 S14 L6(2015)
- Salts
- Quiz 1
- Quiz 2
16
- GS G8 S15 L1(2015)
- GS G8 S15 L2(2015)
- GS G8 S15 L3(2015)
- GS G8 S15 L4(2015)
- Integumentary Systems
- Quiz 1
- Quiz 2
17
- GS G8 S16 L1(2015)
- GS G8 S16 L2(2015)
- GS G8 S16 L3(2015)
- GS G8 S16 L4(2015)
- GS G8 S16 L5(2015)
- Integumentary System diseases
- Quiz 1
- Quiz 2
18
- GS-G8-S17-L1(2015)
- GS-G8-S17-L2(2015)
- GS-G8-S17-L3(2015)
- GS-G8-S17-L4(2015)
- GS-G8-S17-L5(2015)
- Latex allergy
- Quiz 1
- Quiz 2
19
- GS-G8-S18-L1
- GS-G8-S18-L2
- GS-G8-S18-L3
- GS-G8-S18-L4
- skeletal system
- What does the skeletal system do?
- Quiz 1
- Quiz 2
20
- GS-G8-S19-L1
- GS-G8-S19-L2
- GS-G8-S19-L3
- GS-G8-S19-L4
- Quiz 1
- Functions of muscle
- Quiz 2
21
- GS-G8-S20-L1
- GS-G8-S20-L2
- GS-G8-S20-L3
- GS-G8-S20-L4
- GS-G8-S20-L5
- GS-G8-S20-L6
- GS-G8-S20-L7
- Skeletal muscle
- Quiz 1
- Quiz 2
22
- Axial and Appendicular skeleton
- Quiz 1
- GS-G8-S21-L1
- GS-G8-S21-L2
- GS-G8-S21-L3
- GS-G8-S21-L4
- Quiz 2
23
- GS G8 S22 L1
- GS G8 S22 L2
- GS G8 S22 L3
- GS G8 S22 L4
- GS G8 S22 L5
- GS G8 S22 L6
- Quiz 1
- Quiz 2
- Cartilage
24
- GS G8 S23 L1
- GS G8 S23 L2
- GS G8 S23 L3
- GS G8 S23 L4
- GS G8 S23 L5
- Digestion
- Quiz 1
- Quiz 2
25
- GS-G8-S24-L1
- GS-G8-S24-L2
- GS-G8-S24-L4
- GS-G8-S24-L3
- GS-G8-S24-L5
- Quiz 1
- stomach and intestines
- Quiz 2
26
- GS-G8-S25-L1
- GS-G8-S25-L2
- GS-G8-S25-L3
- GS-G8-S25-L4
- GS-G8-S25-L5
- GS-G8-S25-L6
- GS-G8-S25-L7
- Quiz 1
- Digestive system
- Quiz 2
27
- GS G8 S26- L1
- GS G8 S26- L2
- GS G8 S26- L3
- GS G8 S26- L4
- GS G8 S26- L5
- Respiratory systems
- Quiz 1
- Quiz 2
28
- GS G8 S27- L1
- GS G8 S27- L2
- GS G8 S27- L3
- GS G8 S27- L4
- GS G8 S27- L5
- Quiz 1
- Respiratory system diseases
- Quiz 2
29
- GS G8 S28- L1
- GS G8 S28- L2
- GS G8 S28- L3
- GS G8 S28- L4
- GS G8 S28- L5
- Quiz 1
- Circulatory systems
- Quiz 2
30
- GS G8 S29- L1
- GS G8 S29- L2
- GS G8 S29- L3
- GS G8 S29- L4
- GS G8 S29- L5
- Quiz 1
- Blood
- Quiz 2
31
- GS G8 S30- L1
- GS G8 S30- L2
- GS G8 S30- L3
- GS G8 S30- L4
- GS G8 S30- L5
- GS G8 S30- L6
- The male reproductive systems
- Quiz 1
- Quiz 2
32
- GS G8 S31- L1
- GS G8 S31- L2
- GS G8 S31- L3
- GS G8 S31- L4
- GS G8 S31- L5
- The female reproductive system
- Quiz
- Quiz 2
33
- GS G8 S32 L1
- GS G8 S32 L2
- GS G8 S32 L3
- GS G8 S32 L4
- GS G8 S32 L5
- GS G8 S32 L6
- Sexual characteristics
- Quiz 2
34
- GS G8 S33- L1
- GS G8 S33- L2
- GS G8 S33- L3
- GS G8 S33- L4
- GS G8 S33- L5
35
- G-8 GS- S34-L1
- G-8 GS- S34-L2
- G-8 GS- S34-L3
- G-8 GS- S34-L4
- G-8 GS- S34-L5
- Quiz 1
- Quiz 2
- Biotic and abiotic factors
36
- G-8 GS- S35-L1
- G-8 GS- S35-L2
- G-8 GS- S35-L3
- G-8 GS- S35-L4
- Quiz 1
- Symbiosis relationship
- Quiz 2
37
- G-8 GS- S36-L1
- G-8 GS- S36-L2
- G-8 GS- S36-L3
- G-8 GS- S36-L4
- G-8 GS- S36-L5
- Quiz 1
- Abiotic factors of an ecosystem
- Quiz 2
38
- G-8 GS- S37-L1
- G-8 GS- S37-L2
- G-8 GS- S37-L3
- G-8 GS- S37-L4
- G-8 GS- S37-L5
- Quiz 1
- Trophic level
- Quiz 2
39
- G-8 GS- S38-L1
- G-8 GS- S38-L2
- G-8 GS- S38-L3
- G-8 GS- S38-L4
- G-8 GS- S38-L5
- Quiz 1
- Food chain and food web
- Quiz 2
40
- G-8 GS- S39-L1
- G-8 GS- S39-L2
- G-8 GS- S39-L3
- G-8 GS- S39-L4
- G-8 GS- S39-L5
- Trophic of pyramid
- Quiz 1
- Quiz 2
41
- G-8 GS- S40-L1
- G-8 GS- S40-L2
- G-8 GS- S40-L3
- G-8 GS- S40-L4
- G-8 GS- S40-L5
- Nutrient cycle and energy flow
- Quiz 1
- Quiz 2
42
- G-8 GS- S41-L1
- G-8 GS- S41-L2
- G-8 GS- S41-L3
- G-8 GS- S41-L4
- G-8 GS- S41-L5
- G-8 GS- S41-L6
- G-8 GS- S41-L3_1
- Quiz
- Water cycle
- Quiz 2
43
- Gs- G8-S42-L1
- Gs- G8-S42-L2
- Gs- G8-S42-L3
- Gs- G8-S42-L4
- Gs- G8-S42-L5
- Natural Resources
- Quiz 1
- Quiz 2
44
- GS G8 S43 L1
- GS G8 S43 L2
- GS G8 S43 L3
- GS G8 S43 L4
- GS G8 S43 L5
- Soil
- GS G8 S43) Quiz 1
- Quiz 2
45
- GS G8 S44 L1
- GS G8 S44 L2
- GS G8 S44 L3
- GS G8 S44 L4
- GS G8 S44 L5
- Soil conservation
- GS G8 S44 (Quiz 1
- Quiz 2
46
- GS G8 S45 L1
- GS G8 S45 L2
- GS G8 S45 L3
- GS G8 S45 L4
- GS G8 S45 L5
- Water
- GS G8 S45) Quiz 1
- Quiz 2
47
- Gs- G8-S 46-L1
- Gs- G8-S 46-L2
- Gs- G8-S 46-L3
- Gs- G8-S 46-L4
- Gs- G8-S 46-L5
- Air and Air pollution
- Quiz 1
- Quiz 2
48
- Gs- G8-S 47-L1
- Gs- G8-S 47-L2
- Gs- G8-S 47-L3
- Gs- G8-S 47-L4
- Forest
- Quiz 1
- Quiz 2
49
- Gs- G8-S 48-L1
- Gs- G8-S 48-L2
- Gs- G8-S 48-L3
- Gs- G8-S 48-L4
- Gs- G8-S 48-L6
- Biodiversity
- Quiz 1
- Gs- G8-S 48-L5
- Quiz 2
50
- Gs G8 S49 L1
- Gs G8 S49 L2
- Gs G8 S49 L3
- Gs G8 S49 L4
- Gs G8 S49 L5
- Ex-Situ Method of biodiversity conservation
- Quiz 1
- Quiz 2
51
- Gs- G8-S 50-L1
- Gs- G8-S 50-L2
- Gs- G8-S 50-L3
- Gs- G8-S 50-L4
- Gs- G8-S 50-L5
- Gs- G8-S 50-L6
- Summary
- Quiz 1
- Quiz 2
52
- Gs- G8-S 51-L1
- Gs- G8-S 51-L2
- Gs- G8-S 51-L3
- Gs- G8-S 51-L4
- Gs- G8-S 51-L5
53
- Gs- G8-S 52-L1
- Gs- G8-S 52-L2
- Gs- G8-S 52-L3
- Gs- G8-S 52-L4
- Gs- G8-S 52-L5
- Gs- G8-S 52-L6
- solar system families
- Quiz 1
- Quiz 2
54
- Gs- G8-S 53-L1
- Gs- G8-S 53-L2
- Gs- G8-S 53-L3
- Gs- G8-S 53-L4
- Gs- G8-S 53-L5
- Outer Planet
- Quiz 1
- Quiz 2
55
- Gs- G8-S 54-L1
- Gs- G8-S 54-L2
- Gs- G8-S 54-L3
- Gs- G8-S 54-L4
- Gs- G8-S 54-L5
- Gs- G8-S 54-L6
- Formation of solar system
- Quiz 1
- Quiz 2
56
- Gs- G8-S 55-L1
- Gs- G8-S 55-L2
- Gs- G8-S 55-L3
- Gs- G8-S 55-L4
- Gs- G8-S 55-L5
- Gs- G8-S 55-L6
- comparing planets
- Quiz 1
- Quiz 2
57
- Gs- G8-S 56-L1
- Gs- G8-S 56-L2
- Gs- G8-S 56-L3
- Gs- G8-S 56-L4
- Gs- G8-S 56-L5
- Gs- G8-S 56-L6
- Earth: Suitability for life
- Quiz 1
- Quiz 2
58
- G8 GS S57 L1
- G8 GS S57 L2
- G8 GS S57 L3
- G8 GS S57 L4
- G8 GS S57 L5
59
- G8 GS S58 L1
- G8 GS S58 L2
- G8 GS S58 L3
- G8 GS S58 L4
- G8 GS S58 L5
- Phenomena of light
- Quiz 1
- Quiz 2
60
- G8 Gs S59 L5_1
- G8 Gs S59 L2
- G8 Gs S59 L3
- G8 Gs S59 L4
- G8 Gs S59 L5
- Refraction and Dispersion of light
- Quiz 1
- Quiz 2
61
- G8 Gs S60 L1
- G8 Gs S60 L3
- G8 Gs S60 L4
- G8 Gs S60 L5
- G8 Gs S60 L2
- G8 Gs S60 L6
- vision and imaging
- Quiz 1
- Quiz 2
62
- G8 Gs S61 L1
- G8 Gs S61 L2
- G8 Gs S61 L3
- G8 Gs S61 L4
- G8 Gs S61 L5
- Sound
- Quiz 1
- Quiz 2
63
- G8 Gs S62 L1
- G8 Gs S62 L2
- G8 Gs S62 L3
- G8 Gs S62 L4
- G8 Gs S62 L5
- Sound pollution and Echo
- Quiz 1
- Quiz 2
64
- G8 Gs S63 L1
- G8 Gs S63 L2
- G8 Gs S63 L3
- G8 Gs S63 L4
- G8 Gs S63 L5
- Heat
- Quiz 1
- Quiz 2
65
- G8 Gs S64 L1
- G8 Gs S64 L2
- G8 Gs S64 L3
- G8 Gs S64 L4
- G8 Gs S64 L5
- simple circuit
- Quiz 1
- Quiz 2
66
- G8 Gs S65 L1
- G8 Gs S65 L2
- G8 Gs S65 L3
- G8 Gs S65 L4
- G8 Gs S65 L5
- G8 Gs S65 L6
- Magnetism
- Quiz 1
- Quiz 2
67
- G8 Gs S66 L1
- G8 Gs S66 L2
- G8 Gs S66 L3
- G8 Gs S66 L4
- G8 Gs S66 L5
- G8 Gs S66 L6
- Magnetic field
- Quiz 1
- Quiz 2
68
- G8 Gs S67 L1
- G8 Gs S67 L2
- G8 Gs S67 L3
- G8 Gs S67 L4
- G8 Gs S67 L5
69
- G8 Gs S68 L1
- G8 Gs S68 L2
- G8 Gs S68 L3
70
- G8 Gs S69 L1
- G8 Gs S69 L2
- G8 Gs S69 L3
- G8 Gs S69 L4

Welcome and Introduction

Session one: Unit One - Basics Of Scientific Investigation

Session Two -Unit One - Basics Of Scientific Investigation

Session Three- Unit One Basics of Scientific Investigation

Session Four- Unit One-Basics of Scientific Investigation

Session Five-Unit Two -Composition of Matter

Session Six-Unit Two -Composition of Matter

Session Session Seven-Unit Two -Composition of Matter

Session Session Eight-Unit Two -Composition of Matter

Session Nine-Unit Two -Composition of Matter

Session Ten-Unit Two -Composition of Matter

Session Eleven-Unit Two -Composition of Matter

Session Twelve -Unit Two -Composition of Matter

Session Thirteen-Unit Three-Classification of Compounds: Neutralization reaction

Session Fourteen-Unit Three-Classification of Compounds: Salts

Session Fifteen:UNIT FOUR: HUMAN BODY SYSTEMS AND HEALTH: Integumentary System

Session Sixteen-UNIT FOUR: HUMAN BODY SYSTEMS AND HEALTH: Integumentary System diseases

Session Seventeen-UNIT FOUR: HUMAN BODY SYSTEMS AND HEALTH: Integumentary System diseases

Session Eighteen-UNIT FOUR: HUMAN BODY SYSTEMS AND HEALTH: skeletal system

Session Nineteen-UNIT FOUR: HUMAN BODY SYSTEMS AND HEALTH:properties of muscles

Session Twenty-UNIT FOUR: HUMAN BODY SYSTEMS AND HEALTH: Skeletal system

Session Twenty One-UNIT FOUR: HUMAN BODY SYSTEMS AND HEALTH:types of skeletal system part 2

Session Twenty Two-Session Twenty-UNIT FOUR: HUMAN BODY SYSTEMS AND HEALTH: cartilage

Session Twenty Three-Session Twenty-UNIT FOUR: HUMAN BODY SYSTEMS AND HEALTH: Digestion

Session Twenty Four-Unit Three-Classification of Compounds

Session Twenty Five-Unit Three-Classification of Compounds

Session Twenty Six-Unit Four- Human Body Systems and Health

Session Twenty Seven-Unit Four- Human Body Systems and Health

Session Twenty Eight-Unit Four- Human Body Systems and Health: Circulatory systems

Session Twenty Nine-Unit Four- Human Body Systems and Health: Blood

Session Thirty-Unit Four- Human Body Systems and Health:Male reproductive system

Session Thirty One-Unit Four- Human Body Systems and Health:Female Reproductive system

Session Thirty Two-Unit Four- Human Body Systems and Health: Sexual characteristics

Session Thirty Three-Unit Four- Human Body Systems and Health: Review questions

Session Thirty Four-Unit Five- Ecosystem and conservation of natural resources : Introduction

Session Thirty Five-Unit Five- Ecosystem and conservation of natural resources : Symbiosis interaction

Session Thirty Six-Unit Five- Ecosystem and conservation of natural resources : Abiotic components of an ecosystem

Session Thirty Seven-Unit Five- Ecosystem and conservation of natural resources : Trophic level

Session Thirty Eight-Unit Five- Ecosystem and conservation of natural resources : Food chain and food web

Session Thirty Nine-Unit Five- Ecosystem and conservation of natural resources : Trophic of pyramid

Session Forty-Unit Five- Ecosystem and conservation of natural resources : Nutrient cycle and energy flow (Nitrogen and Oxygen cycle)

Session Forty One-Unit Five- Ecosystem and conservation of natural resources : Nutrient cycle and energy flow (Carbon, Hydrogen and water cycle)

Session Forty Two-Unit Five- Ecosystem and conservation of natural resources : Conservation of Natural resources (Natural resources)

Session Forty Three-Unit Five- Ecosystem and conservation of natural resources : Soil

Session Forty Four-Unit Five- Ecosystem and conservation of natural resources : Soil conservation

Session Forty Five-Unit Five- Ecosystem and conservation of natural resources : Water

Session Forty Six-Unit Five- Ecosystem and conservation of natural resources : Air and its pollution

Session Forty Seven-Unit Five- Ecosystem and conservation of natural resources : Forest

Session Forty Eight-Unit Five- Ecosystem and conservation of natural resources : Biodiversity

Session Forty Nine-Unit Five- Ecosystem and conservation of natural resources : Ex-Situ method and Indegeneous knowledge

Session Fifty -Unit Five- Ecosystem and conservation of natural resources :Summary (Unit 5)

Session Fifty One- Unit five: Ecosystem and conservation of natural resources :Review questions

Session Fifty Two-Unit Six- Solar System: Introduction (Inner planets)

Session Fifty Three-Unit Six- Solar System: Outer planets

Session Fifty Four-Unit Six- Solar System: Formation of solar systems

Session Fifty Five-Unit Six- Solar System: Earth in comparison with other planets

Session Fifty Six-Unit Six- Solar System: Earth: Suitability for life

Session Fifty Seven-Unit Six- Solar System: Summary and Review exercises

Session Fifty Eight-Unit Seven- Physical Phenomena in The Surrounding: source of light and reflection of light

Session Fifty Nine-Unit Seven- Physical Phenomena in The Surrounding: Refraction and dispersion of light

Session Sixty-Unit Seven- Physical Phenomena in The Surrounding: Vision and imaging

Session Sixty One-Unit Seven- Physical Phenomena in The Surrounding: Sound

Session Sixty Two-Unit Seven- Physical Phenomena in The Surrounding: Sound pollution and echo

Session Sixty Three-Unit Seven- Physical Phenomena in The Surrounding: Heat

Session Sixty Four-Unit Seven- Physical Phenomena in The Surrounding: Simple circuit

Session Sixty Five-Unit Seven- Physical Phenomena in The Surrounding: Magnetism

Session Sixty Six-Unit Seven- Physical Phenomena in The Surrounding: Magnetic field

Session Sixty Seven-Unit Seven- Physical Phenomena in The Surrounding: Revision and Review Exercises

Session Sixty Eight-Model Examination (Part 1)

Session 69:Model examination (Part 2)