EVERYDAY SCIENCE 



References are to pages 



Earth Continued 



crust of, see below, surface 



cycles of change 303 



day and night .. 3, 12, 24-26, 33 

 development of earth-science 20 



diameter of 2, 23, 39 



direction, cardinal points of 20, 24 

 distances to celestial bodies 



from 2, 11, 23 



elements 51 



equator 30-31,39 



gravity. . . .47-49,58,93,326 



harbors. . 188-189,548-552,553 



interior of ; see, below, surface 



lakes . . 171-174,177-178,185 



magnetism . 37-39, 475-480, 501 



meridians and parallels . .37 



minerals and mining . 254-255, 



515-520, 542-543 



moon .... 2,4,14-17,19, 

 165, 210, 347-351 



mountains and hills 22, 238-241, 



248, 264-267, 541-543 



ocean . . . 152-167,249-251, 



256-258, 514, 531-535, 552 



physical conditions of . . 522-553 



plains . . . 257-259,268-276, 



301-302,544-548,553 



planetary movements . . 48-49 



revolution of ... 26-31, 39-40 



rivers . . . 176-208,546-548 



rocks . . 252-255,275,279-281 



rotation of .... 23-26, 39 



seasons 27-31, 40 



shape of 21-23,278 



shores . . . 243-244,256-259, 

 540-541,549, 



size of 1-2,22-23 



soils .... 57,173,197-198, 



209, 212-213, 284-286, 293-300, 

 307-346, 401-403, 535 



storms 221-231 



surface (crust) outside and 



within . 166, 247-306, 502-553 



tides 17-19,164-166 



volume 2 



waves . . . 157-161,251,514 

 weather . . 209-237, 244-2v5 

 winds . . . 216-231,244-245 



Earthquakes 513-515 



cause of 513-514 



effects of 514-515 



conflagrations (San Fran- 

 cisco) . 515 



ocean-waves (Lisbon) . . 514 



Earth-science .... 8-9,20-21 



Earthworms .311-319,345,401-402 



fertilizers of soils . 317-319, 402 



structure of ... 345, 401-402 



Ebb tide 164, 166 



Eclipse 16,17,353 



of earth's moon 17 



of Jupiter's moons . . . . 353 



of sun ' . 353 



Eddies 165 



Egg cell (of plants) .... 388 



427, 430 



Food 



Electricity . . . 62,72,94,350, 

 472, 480-501 



atoms 500 



attraction of 483 



conductors and non-conduc- 

 tors 482 



current' 484-487,500 



dry cell 485 



electrodes 485 



electroplating . . . 488-489 

 electrotyping .... 489-490 

 energy of . . 72-94, 472, 484, 501 

 Faraday's discovery . . . 497 



Motional 480 



heat of 62, 486-487 



intensity of 350 



law of 350 



light of 487-488, 501 



theory of 500 



voltaic cell 484-485 



see also Magnetism 



Electrodes 485 



Electrons 500-501 



Elements (of matter) . . 51-52, 58 



Elevation . 259 



Em'bryo (of animal and plant 



life) 388-389,394 



Emulsion 144-146 



soap an emulsifier . . . . 145 

 borax and soda as aids . 146 



