Weather Climate and Adaptations of Animals to Climate: Polar Regions(polar bears, penguins), tropical rainforests(Lion-tailed Macaque, Elephant), Deserts-camels.
Soil: Formation of soil, Soil profile(A-Horizon or topsoil, B-Horizon or middle layer, C-Horizon, Bedrock or D-Horizon), Constituents of soil(Soil Particles, Soil Water, Flora and Fauna, Soil Air, Humus), Types of soil( Sandy, Clayey, Loamy), Characteristics of soil(percolation Rates of water, Types of Crops Grown.
Transportation in Animals and Plants: How does water move in plants? How is food transported in plants?Why do animals drink water? Why do we sweat? Why and how is there blood in all parts of the body? Why is blood red? Do all animals have blood? What is there in urine?
Reproduction in Plants: Why are some plant parts like potato, onion swollen – are they of any use to the plants? What is the function of flowers? How are fruits and seeds formed? How are they dispersed? - Vegetative, asexual and sexual reproduction in plants, pollination - cross, self pollination; pollinators, fertilisation, fruit, seed.
Motion and Time: Why do people feel the need to measure time? How do we know how fast something is moving? Appreciation of idea of time and need to measure it. Measurement of time using periodic events. Idea of speed of moving objects – slow and fast motion along a straight line.