Science for Grade 3

0 Introduction 00:00

1 Importance Of Plants 00:00

2 Impact Of Humans On Plants 00:00

3 Parts Of Plants 00:00

4 How Plants Adapt To Environment 00:00

5 Basic Needs Of Plants 00:00

6 Plants Life 00:00

7 Energy Of Plants 00:00

8 Interdependency Of Life Systems 00:00

9 Farming Methods 00:00

10 Pros & Cons Of Locally Grown And Organically Produced Food 00:00

11 Effect Of Environmental Conditions On Life Systems 00:00

12 Structures 00:00

13 Structures In The Environment 00:00

14 Strength Of A Structure 00:00

15 Stability Of A Structure 00:00

16 Properties Of Materials 00:00

17 Altering Strength Of Materials 00:00

18 How To Improve A Structure’s Strength 00:00

19 Importance Of Strength And Stability 00:00

20 Forces & Structures 00:00

21 Role Of Struts And Ties 00:00

22 Environmental Impact Of Structures 00:00

23 Soil 00:00

24 Impact Of Soils On Society 00:00

25 Soil Pollution 00:00

26 Types Of Soil 00:00

27 Additives In Soil 00:00

28 Interdependence Between The Living And Non-Living In Soil 00:00

29 Soil As A Shelter 00:00

30 Components Of Soil 00:00

31 Composting 00:00

32 Advantages And Disadvantages Of Composting 00:00

33 What Is Force? 00:00

34 Different Kinds Of Forces 00:00

35 Different Forces On Object 00:00

35 Different Forces On Object 00:00

36 Forces At Direct & Indirect Contact 00:00

37 Uses Of Forces 00:00

38 Different Amount Of Forces 00:00

39 Devices That Use Forces 00:00

40 Devices That Minimize The Effects Of Forces 00:00