Elementary School Science: By Verne Rockcastle, Frank R. Salamon and Victor E. Schmidt. Consulting Editor: Paul B. Weisz, Volume 7 |
Contents
IMAGES REFRACTION AND COLOR | 4 |
Evaporation and Condensation | 32 |
Measuring Water Vapor in the Air | 42 |
Copyright | |
11 other sections not shown
Common terms and phrases
animals appear balloon beam of light bedrock bulb carbon dioxide cardboard cause cells chemicals clinometer cloud coil color condensation constellations convex convex lens cool cracks develop dew point earth eggs electric charge electric current energy fertilized flashlight flower fluid forces acting genes glaciers glass gnomon grow happens hold hole inside keep kinds lake layers lens living things lolol look magnifying male matched forces meltwater moon move observe orbit organisms ovary oxygen paper paraffin particles piece plants plastic pollen population density pressure produce pull pushes rain refracted relative humidity rock material rubbed rubber bands sand seeds shape sheet side snapdragons snow soil species sperm stars stick Suppose surface temperature Things to Try thumbtack tiny tion traits TRASH INC trees tube usually Venus water drop water vapor weather wire wool