Elementary School Science: By Verne Rockcastle, Frank R. Salamon and Victor E. Schmidt. Consulting Editor: Paul B. Weisz, Volume 4Addison-Wesley, 1972 - Science |
Common terms and phrases
accurate air pressure air thermometer aphids ball balloon beam balances black widow spider bottle carbon dioxide cardboard carton cast a shadow Celsius centimeters clouds cold air color container cool dragonfly drinking straw earth turns earthworms English system English units grass green plants grid half happens heat helpful or harmful hole ice cube insects interact keep kilogram kinds larvae light source lighted side liquid living things look mark materials measure distance meter metric system millimeters model moon mosquitoes motion move object observe oxygen picture plants and animals plunger pond community predict PROBLEM pull record reflect light rubber band ruler sample sand seeds shadow fall soil Sow bugs spaces spiders spring spring balance standard unit stick straw Sundials sunlit side sunny Suppose tape tell temperature changes translucent trees vacant lot warm air warmer water animals water plants woods