Content 1

My World of Science primary 6  (เเปลไทย)

 

3. The Web of Life

A. Food Chains

–  Food producers
–  Primary consumers
–  Secondary consumers
–  Tertiary consumers
–  Quaternary consumers
–  Top consumers
–  Energy transfer in a food chain

B. Food Web

–  Number of organisms

C. Decomposers

–  Decomposing plants
–  Decomposing animals
–  Decomposing waste

4. Adaptation

–  Some important definitions

A. Plant Adaptations

–  Adaptations in glassland habitats
–  Adaptations in desert habitats
–  Adaptations in tropical rainforest habitats
–  Adaptations in the tundra
–  Adaptations in aquatc habitat
–  Adaptations for reproduction
–  Adaptations for dispersal of seeds
            • Seed dispersal by animal
            • Seed or fruits dispersed by water
            • Seed or fruits dispersed by wind
–  Adaptations for storage of food

B. Animal Adaptations

–  Structural adaptations
–  Behavioural adaptations
–  Adaptations for coping with physical factors of environment
            • Adaptation in polar bears
            • Adaptation in camels
            • Adaptation in dolphins
–  Adaptation for obtaining food
            • Adaptation in owls
            • Adaptation in frogs
–  Adaptations for escaping predators
–  Adaptations for reproduction

5. Classification of Materials

A. Properties of Materials and Their Uses

–  Hardness
–  Brittleness
–  Malleability
–  Ductility
–  Elasticity
–  Toughness
–  Density
–  Fusibility
–  Conductivity
             • Electrical conductivity
             • Heat conductivity
–  Response to magnet

B. Classifying Materials and Testing Their Properties

–  Wood
–  Ceramics
–  Glass
–  Metal
–  Plastics
             • Uses of plastics
–  Rubber
–  Fabric

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My World of Science P.6