Pathways in Science: A Course for Elementary Schools, Volume 4 |
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Contents
UNIT PAGE | 3 |
THE CHANGING EARTH | 49 |
THE AIR AND HOW IT WORKS | 103 |
Copyright | |
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animals ant hill aphids asked Miss Bell atmosphere baby banded spider beavers Beavers Build beebread Betty birds build bumblebee called carbon dioxide carry change the earth circuit clothes cold crab spider cylinder drones dry cell earth's atmosphere earth's surface eggs electricity enemies evaporates farmers father flow flowers force gases glass grass spiders gravity grow happen hatch hill hive holes honey honeybees insects inside insulation Jack and Dorothy keep land larvae leaves liquid live look melted rock miles mold garden mother mountains moving nectar nest nonconductors ocean oxygen plants pollen Pollen baskets pull pushed queen queen bee rivers sand scientists seeds snow soil solid Sometimes spinning spores steam tell Things to Think tiny trees tricity volcano warm air wasps watch wind wire worker bees