TY  - BOOK
AU  - Cull, R. G.
TI  - Concepts of science 3
U1  - 500 
PY  - 1985///
CY  - New   Delhi
PB  - Wiley Eastern
KW  - Pure Science
N1  - Volcanoes and volcanic rocks;
Igneous intrusions and the rocks in them;
Using simple machines;
The skeleton;
The vertebrates;
Refraction o flight;
Color;
Lenses;
Theories about light, diffraction and polarization;
Coordination;
The flowering plant: how it works;
Energy and food chains;
The flowering plant: reproduction;
Reproduction in mammals;
Speed and acceleration;
Measuring forces;
Rockets and satellites;
Work, energy, power;
The invertebrates: animals without backbones;
Plants;
Micro-organisms: bacteria and viruses;
Drugs

ER  -