Children's Encyclopedia1976 |
Des de l'interior del llibre
Resultats 1 - 3 de 8.
Pàgina 11
... heat is made the match bursts into flame . When things go through air they get hot too . Fast planes have to be made of special metal that doesn't melt from the heat . When spacemen come back to earth in their space capsule ( above ) ...
... heat is made the match bursts into flame . When things go through air they get hot too . Fast planes have to be made of special metal that doesn't melt from the heat . When spacemen come back to earth in their space capsule ( above ) ...
Pàgina 14
... Heat and pressure over many , many years changed the plants into coal . The mud of the swamps turned slowly into solid rock . Coal is found in strips or seams . Miners dig it out as they are doing in the picture on the right . Men and ...
... Heat and pressure over many , many years changed the plants into coal . The mud of the swamps turned slowly into solid rock . Coal is found in strips or seams . Miners dig it out as they are doing in the picture on the right . Men and ...
Pàgina 15
... Heat A greenhouse is warm inside . Most people think that the glass has done something to the sun's rays to heat it up . This is not so . The rays pass right through the glass . They heat up everything in the greenhouse . The heat rays ...
... Heat A greenhouse is warm inside . Most people think that the glass has done something to the sun's rays to heat it up . This is not so . The rays pass right through the glass . They heat up everything in the greenhouse . The heat rays ...
Altres edicions - Mostra-ho tot
Frases i termes més freqüents
adult Aerotrain Africa Arctic areas armor atomic battle bigger birds body bomb bones brain breathe build built butterfly called carried cells cities coal colored crankshaft creatures crops cylinder deep desert dinosaurs earth eggs Egyptian plover electricity enemies engine feet fish flower forests galaxy gear Greeks ground grow heat hovercraft huge hunted insects inside jungle kinds knights land leaves light live look Louis Bleriot machine mammals miles millions Montgolfier brothers moon Mount Everest mountains move muscles nerves nest numbers oxygen picture piston plane pollen Prairie falcon railways rain reptiles river road rock Sahara Desert sailing sea anemone sea scorpions seeds shell ships shows skin South America South Pole space spacemen speed spider stars steam locomotives stone sun's sunlight surface tiny tractors trees turn wheels wind Wright brothers young