22 



EVERYDAY SCIENCE 



References are to pages 



Sub-surface water .... 196-198 

 Sugars (carbohydrates) 382, 426-429 

 Sulphur (disinfectant) . . . 445 

 Summaries : 



air and atmosphere . . . 132-134 



earth 39-40 



energy 474 



heat 93-95 



life (animals, man, plants) 



421-423, 456-457, 552-553 



light 364-365 



magnetism and electricity . 509 



matter 49-51 



sky 18-19 



soils 345-346 



surface (crust, outside and 

 within) . . 275-276,304-305, 

 520-521 



water and waterways . 167-169, 

 206-208 



weather and climate . . 244-246 



Sun, our . . 1-19, 27-30, 60-95, 101, 



165, 209-210, 242, 248, 303, 



347, 350, 355, 360, 364-365, 



396, 399-400, 535 



appearance of . 2-4, 17, 360, 365 



incandescent gases . . . 2, 17 



corona . . . 17, 360, 365 



spots of 2-4 



atmosphere as cold frame 209-210 



circumference of 1 



composition of 2 



diameter of 2 



distance from earth . . 2, 350 

 effects of, upon earth's sur- 

 face 248, 303 



upon interior 248 



upon exterior 303 



effects of, upon life .... 535 

 evaporation caused by . . 101 



family of 5-19 



influence of, upon tides . . 165 



interior of 2 



rays of 28-30, 242 



by day and night . . 28-30 



by seasons 28-30 



penetrating land and water 242 



size of 1-2, 18 



solar system 5, 10-18 



Sun Continued 

 source of : 



clothing ....... 3 



energy . . . . . 3, 399-400 



food 3,399 



heat .... 2-3,18,60-95 



life 99,384 



of animals 384 



of plants 99, 384 



light . 2-3,18,60,93,347,364 



power 3 



surface of 2 



transmitter of heat and light, as 209 



volume of 2, 18 



Sun dial 33 



Sunlight (as disinfectant) . . 445 

 Suns: 



our sun ; see Sun 

 stars ; see Stars 



Sunset 358, 365 



Surface (of earth, crust) . . . 166, 

 247-306, 502-553 



changes in . . 249-252, 258-263, 

 275-305, 523, 525-528 

 by burial and exhumation 



258-259, 282-284 



(through wave and wind action) 



by decay and growth . . 279, 



302-303, 305 



(through animals and plants) 

 by deposition and erosion 



252, 278-282 

 (through volcanic, water, 

 wave and wind action) 

 by depression and elevation 252 

 (through crust-move- 

 ment and volcanic ac- 

 tion) 



by emergence and submer- 

 gence 260-263, 275, 303, 523 

 (through ocean and other 



water-bodies) 



by ice and snow . 279, 285-305, 

 525-528 

 by interchange of land and 



sea .... 249-252,523 



by rock-weathering . 278-281, 



304-305 



characteristics of, 252, 258-264, 275 



