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With VO
Lively voice-overs
(VO) are added
More than 200 videos
in English and Chinese in total will be updated progressively
All videos will be completed by end of August 2021
The resource marked with
means that it has been modified according to the changes in the reprinted with minor amendments.
1.1: Learning about science
1A
Unit 1: Introducing Science
1.2: Practice of science
1A
Unit 1: Introducing Science
1.3: Laboratory safety
1A
Unit 1: Introducing Science
1.4 A: Common laboratory apparatus
1A
Unit 1: Introducing Science
1.4 B: Vertical section diagrams
1A
Unit 1: Introducing Science
1.5 A–B: Measuring length and volume
1A
Unit 1: Introducing Science
1.5 C–E: Measuring mass, temperature and time
1A
Unit 1: Introducing Science
1.6: Basic practical skills
1A
Unit 1: Introducing Science
2.1 A: Change in the physical states of water
1A
Unit 2: Water
2.1 B: What is water cycle?
1A
Unit 2: Water
2.1 C: Factors affecting the rate of evaporation
1A
Unit 2: Water
2.2: Dissolving
1A
Unit 2: Water
2.3 A: The importance of water
1A
Unit 2: Water
2.3 B-C: Water purification
1A
Unit 2: Water
2.4: Further treatment of drinking water
1A
Unit 2: Water
2.5: The water treatment process in Hong Kong
1A
Unit 2: Water
2.6 A-B: Water conservation
1A
Unit 2: Water
2.6 C-D: Water pollution and its control
1A
Unit 2: Water
3.1: Living things
1A
Unit 3: Looking at Living Things
3.2 A-B: Grouping of living things
1A
Unit 3: Looking at Living Things
3.2 C: Classifying animals
1A
Unit 3: Looking at Living Things
3.2 D: Classifying plants
1A
Unit 3: Looking at Living Things
3.3: Living things and habitats
1A
Unit 3: Looking at Living Things
3.4: Biodiversity
1A
Unit 3: Looking at Living Things
3.5: Reduction in biodiversity
1A
Unit 3: Looking at Living Things
3.6: Conservation
1A
Unit 3: Looking at Living Things
4.1 A-B Cells
1B
Unit 4: Cells, Human Reproduction and Heredity
4.1 C: Observing cells with a microscope
1B
Unit 4: Cells, Human Reproduction and Heredity
4.1 D: Genetic materials inside the nucleus
1B
Unit 4: Cells, Human Reproduction and Heredity
4.1 E: Cell division and growth
1B
Unit 4: Cells, Human Reproduction and Heredity
4.2: How are cells organized in living things?
1B
Unit 4: Cells, Human Reproduction and Heredity
4.3 A–B: Human sex cells and reproductive systems
1B
Unit 4: Cells, Human Reproduction and Heredity
4.3 C: Process of human reproduction
1B
Unit 4: Cells, Human Reproduction and Heredity
4.3 D: Puberty
1B
Unit 4: Cells, Human Reproduction and Heredity
4.4: Being parents
1B
Unit 4: Cells, Human Reproduction and Heredity
4.5 A: Passing of traits to the next generation
1B
Unit 4: Cells, Human Reproduction and Heredity
4.5 B–D: Variations
1B
Unit 4: Cells, Human Reproduction and Heredity
4.5 E: DNA and heredity
1B
Unit 4: Cells, Human Reproduction and Heredity
5.1: Basics of energy
1B
Unit 5: Energy
5.2: Energy conversion
1B
Unit 5: Energy
5.3: Heat transfer
1B
Unit 5: Energy
5.4 A-B: Fossil fuels
1B
Unit 5: Energy
5.4 C-D: Alternative energy sources & Saving energy
1B
Unit 5: Energy
6.1 A-C: Particle theory
1B
Unit 6: Matter as Particles
6.1 D-E: Different types of particles & chemical formula of a molecule
1B
Unit 6: Matter as Particles
6.2: Particle model for the three states of matter
1B
Unit 6: Matter as Particles
6.3: Dissolving
1B
Unit 6: Matter as Particles
6.4: Thermal expansion and contraction
1B
Unit 6: Matter as Particles
6.5: Gas pressure
1B
Unit 6: Matter as Particles
6.6: Density
1B
Unit 6: Matter as Particles
7.1: Air
2A
Unit 7: Living Things and Air
7.2 A: Plants make food by photosynthesis
2A
Unit 7: Living Things and Air
7.2 B-C: Test and factors for photosynthesis
2A
Unit 7: Living Things and Air
7.2 D: Significance of photosynthesis to other living things
2A
Unit 7: Living Things and Air
7.3: Respiration
2A
Unit 7: Living Things and Air
7.4 A: Gas exchange in plants
2A
Unit 7: Living Things and Air
7.4 B - Part I: Gas exchange in animals
2A
Unit 7: Living Things and Air
7.4 B - Part II: Effects of smoking on gas exchange in humans
2A
Unit 7: Living Things and Air
7.5: Balance of carbon dioxide and oxygen in Nature
2A
Unit 7: Living Things and Air
7.6: Air quality
2A
Unit 7: Living Things and Air
8.1: Introducing electricity and simple circuits
2A
Unit 8: Making Use of Electricity
8.2: Circuit diagrams
2A
Unit 8: Making Use of Electricity
8.3 A-B: Basic ideas of an electric current
2A
Unit 8: Making Use of Electricity
8.3 C: Heating effect and magnetic effect of electric current
2A
Unit 8: Making Use of Electricity
8.4: Voltage
2A
Unit 8: Making Use of Electricity
8.5: Resistance
2A
Unit 8: Making Use of Electricity
8.6: Series circuits and parallel circuits
2A
Unit 8: Making Use of Electricity
8.7: Our household electricity
2A
Unit 8: Making Use of Electricity
8.8: Electrical safety with household electricity
2A
Unit 8: Making Use of Electricity
8.9: Power, energy and the cost of electricity
2A
Unit 8: Making Use of Electricity
9.1: Common acids and alkalis
2B
Unit 9: Acids and Alkalis
9.2: Acid-alkali indicators and pH scale
2B
Unit 9: Acids and Alkalis
9.3: Neutralization
2B
Unit 9: Acids and Alkalis
9.4: Corrosive nature of acids
2B
Unit 9: Acids and Alkalis
9.5: Potential hazards related to the use of acids and alkalis
2B
Unit 9: Acids and Alkalis
10.1: Senses and sense organs
2B
Unit 10: Sensing the Environment
10.2 A-D: Sight
2B
Unit 10: Sensing the Environment
10.2 E-G: Limitations of human eyes & Common eye defects
2B
Unit 10: Sensing the Environment
10.3: Hearing
2B
Unit 10: Sensing the Environment
10.4: Smell and taste
2B
Unit 10: Sensing the Environment
10.5: Touch
2B
Unit 10: Sensing the Environment
10.6: Sense of balance
2B
Unit 10: Sensing the Environment
10.7 A-D: The brain and our senses
2B
Unit 10: Sensing the Environment
10.7 E: Effects of alcohol, drugs and organic solvents on our senses
2B
Unit 10: Sensing the Environment
11.1: Motion
2B
Unit 11: Force and Motion
11.2: Force
2B
Unit 11: Force and Motion
11.3: Gravity
2B
Unit 11: Force and Motion
11.4: Friction and air resistance
2B
Unit 11: Force and Motion
11.5: Action and reaction
2B
Unit 11: Force and Motion
11.6: Space flight
2B
Unit 11: Force and Motion
12.1: Keeping our bodies healthy
3A
Unit 12: A Healthy Body
12.2 A – Part I: Carbohydrates, lipids and proteins
3A
Unit 12: A Healthy Body
12.2 A – Part II: Vitamins, minerals and dietary fibre
3A
Unit 12: A Healthy Body
12.2 B: Building blocks of carbohydrates, lipids and proteins
3A
Unit 12: A Healthy Body
12.2 C: The importance of water to our bodies
3A
Unit 12: A Healthy Body
12.2 D: Food tests
3A
Unit 12: A Healthy Body
12.3 A-D: Digestion and absorption of food
3A
Unit 12: A Healthy Body
12.3 E: Our teeth and oral health
3A
Unit 12: A Healthy Body
12.4: Diet and health
3A
Unit 12: A Healthy Body
12.5 A: Infectious diseases
3A
Unit 12: A Healthy Body
12.5 B: Non-infectious diseases
3A
Unit 12: A Healthy Body
12.6: Biotechnology and health
3A
Unit 12: A Healthy Body
13.1 A – Part I: What are elements?
3B
Unit 13: From Atoms to Materials
13.1 A – Part II: Classification of elements
3B
Unit 13: From Atoms to Materials
13.1 B-C: Simple model of an atom & Ions
3B
Unit 13: From Atoms to Materials
13.2: Periodic Table
3B
Unit 13: From Atoms to Materials
13.3: Compounds and mixtures
3B
Unit 13: From Atoms to Materials
13.4 A: History of the use of metals
3B
Unit 13: From Atoms to Materials
13.4 B-C: Obtaining metals & Properties and uses of metals
3B
Unit 13: From Atoms to Materials
13.5 A: Alloys
3B
Unit 13: From Atoms to Materials
13.5 B: Useful materials from crude oil
3B
Unit 13: From Atoms to Materials
13.5 C: Plastics
3B
Unit 13: From Atoms to Materials
13.5 D: Environmental problems associated with the use of materials
3B
Unit 13: From Atoms to Materials
14.1: Light rays from an object
3C
Unit 14: Light, Colours and Beyond
14.2: Reflection
3C
Unit 14: Light, Colours and Beyond
14.3: Refraction
3C
Unit 14: Light, Colours and Beyond
14.4: Total internal reflection
3C
Unit 14: Light, Colours and Beyond
14.5 A-B: What are lenses?
3C
Unit 14: Light, Colours and Beyond
14.5 C-D: Images formed by a convex lens
3C
Unit 14: Light, Colours and Beyond
14.5 E-F: Images formed by a concave lens
3C
Unit 14: Light, Colours and Beyond
14.6: Electromagnetic spectrum and visible light
3C
Unit 14: Light, Colours and Beyond
14.7: Electromagnetic waves that we cannot see
3C
Unit 14: Light, Colours and Beyond
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