Grade - 7 Science: A Foundation for implementation

0 Introduction 00:00

1 Ecosystem 00:00

2 Biotic and abiotic 00:00

3 Ecological succession 00:00

4 Habitat protection 00:00

5 Photosynthesis 00:00

6 Ecological pyramids 00:00

7 Mercury bioaccumulation 00:00

8 Scavengers and decomposers 00:00

9 Beneficial and harmful roles of micro-organisms 00:00

10 Food preservation techniques 00:00

11 Different types of thermometers 00:00

12 Effect of heating on volume 00:00

13 Boiling and melting points 00:00

14 Scientific Theory 00:00

15 Particle Theory of Matter 00:00

16 Concept of temperature and concept of heat 00:00

17 Transmission of heat through solid, liquid and gases 00:00

18 Insulator and conductor experiment 00:00

19 Construct a prototype that controls the transfer of heat energy 00:00

20 Heat as a by-product 00:00

21 Pure substances and mixtures 00:00

22 Variety of substances 00:00

23 Identify the solutes and solvents of variety of solutions 00:00

24 Solutions by using Particle Theory of Matter 00:00

25 Methods of separating mixtures 00:00

26 Factors that affect solubility 00:00

27 Concentration of solutions in qualitative and quantitative terms 00:00

28 Saturated and unsaturated 00:00

29 Disposing of toxic waste 00:00

30 Classification of natural and human built structures 00:00

31 Identify center of gravity 00:00

32 Observing internal and external effect of forces 00:00

33 Increase the strength of the materials 00:00

34 Load force capacity versus mass of bridge 00:00

35 Design of a structure 00:00

36 Constructing a stable structure 00:00

37 Earth’s structure 00:00

38 Weathering and erosion 00:00

39 Rock cycle 00:00

40 Geological resources 00:00

41 Soil is a natural resources 00:00

42 Soil erosion and soil conservation 00:00

43 Continental Drift Theory 00:00

44 Plate Tectonics Theory 00:00