LC Classification QE462

California (23) caves (6) chemistry (21) children (109) children's (146) children's literature (16) children's picture book (13) clay (5) Creation (21) creationism (7) dinosaurs (23) discovery (11) early reader (19) earth (234) education (31) educational (16) elementary (18) environment (39) evolution (12) experiments (13) formation (8) general science (15) geography (54) geology (2,417) gold (9) Grade 2 (16) green (8) guide (82) guidebook (57) handbook (9) history (67) informational (104) informative (19) intermediate (7) juvenile (47) kids (69) learning (10) maps (20) meteorite (5) Michigan (13) mining (16) natural resources (19) natural science (36) nature (485) New Mexico (17) North America (24) oil (7) outdoors (18) photographs (22) photography (17) picture book (242) pink (7) planet (8) prehistory (11) preschool (9) primary (9) reader (15) Reading Rainbow (9) reference (383) references (5) regional (8) rock (62) sand (40) school (21) science (2,270) Science & Technology (6) science nonfiction (29) stone (10) stones (45) Texas (10) travel (48) underground (11) volcanoes (70) youth (13)