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UNIT 2Plant Life
UNIT 3Animal Life
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ABC Science Series adaptations air pressure algae areas arthropods ask pupils Ask the children atmosphere bacteria balloon birds body bulb called carbon dioxide changes circuit climax communities clouds color comb current electricity dew point discussion dry cell earth earth's crust earth's surface earthquake elec electrical charge electrons environment erosion experiment explain feet fish flow fungi glacier glass green plants grow heat Help pupils humidity inches insects key science terms Key Science Words kind layer learned leaves Let pupils light living things magnet mammals Materials Needed mollusks moss mountain move nitrogen ocean oxygen photosynthesis plants and animals Procedure protoplasm protozoa pupils read read pages river rock roots seed plants soil static electricity stem strip survive switch temperature tion trees tricity tube unit valley volcano water vapor waves weather wet cell wind wire