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JA-science
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Páginas Pessoais e Grupos de Trabalho
JAscience
Topic 7
Cell Growth and Reproduction
Cell Growth and Reproduction
Cell Growth and Reproduction
Animation: Cell Fertilisation
Animation: Organ Systems
Animation quiz: Cellular Service
◄ Cell Specialisation and the Organisation of Life
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Year 7 Index
Year 8 Index
Burning Fuels
Fossil Fuels
Renewable Energy Resources
Food
About Global Warming
Extra Information
Electrical Circuits
Electric Current
Parallel Circuits
Dangers of Electricity
Force, Mass and Weight
Upthrust
Friction
Stopping Distance of Vehicles
Extra Information
The Earth and the Sun
The Earth, Sun and Moon
The Solar System
Beyond Our Solar System
Extra information
The Microscope
The Structure of Animal and Plant cells
Cell Specialisation and the Organisation of Life
Patterns of Sexual Reproduction
The Mechanism of Human Reproduction
The Menstrual Cycle and Foetal Reproduction
Birth Onwards
Adaptation to Habitat
Adaptation to Daily and Seasonal Change
Feeding Relationships
FoodWebs and Competition between Animals
Extra Information
Variation in Individuals
Causes of Variation
Grouping Animals
Classification
Extra information
The Seven Main Food Types
Healthy Diet and Food Tests
Digestion
Enzymes, Absorption and Transport
Other information
Aerobic Respiration
Evidence for Respiration in Living Things
The Lungs and Gas Exchange
Transporting Oxygen, Glucose and Carbon Dioxide
Other Information
Types of Microbes
The Spread of Infectious Diseases
The Body´s Natural Barriers to Infection
Artificial Barriers to Infection
Other Information
Interaction Within Environments
The Plant Kingdom
Sampling Techniques
Pyramids of Numbers
Extra Information
Temperature and Heat Energy
Expansion, Contraction and Change of State
Conduction of Heat
Convection, Radiation and Evaporation
Extra Information
Magnets I
Magnets II
Magnetic Fields
Electromagnets
Materials, Elements and Atoms
The Elements
Making New Materials I
Making New Materials II
Extra Information
Elements and Compounds
Chemical Reactions Involving Compounds
Mixtures
Melting Point and Boiling Point of Elements, Compounds and Mixtures
Extra Information
Introduction to Rocks
Differences Between Rocks
Weathering Processes
Transportation of Rock Particles
Sedimentary Rocks
Metamorphic Rocks
Igneous Rocks
Recycling Rocks
Extra Information
Metals and their Reactions With Oxygen
The Reactions of metals With Water and Acids
The Reactivity Series
Displacement Reactions
Other Information
Patterns of Sexual Reproduction ►