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The Science Reporter
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acid activity algae animals Arizona Department Ask students backyard soil bags biogeochemical processes biological biome Biosphere 2's calcium carbonate carbon cycle carbon dioxide carbon dioxide levels carbon monoxide Challenge students chemical classroom biosphere coral reefs data sheet Decomposers desert Earth's atmosphere Earth's biosphere ecology ecosystem Encourage students environment environmental experiment Explain to students food chain food web gases glass global heat identify infrared inside Biosphere interactions Invite students layer Lead a discussion lime water litmus paper living things located MATERIALS NEEDED MATERIALS NEEDED/EACH TEAM mesosphere micro city microbes microorganisms miles Monitor nonliving nutrient OBJECTIVE oxygen pencil PROCEDURE pH levels photosynthesis phototropism plants pollution potting soil problem radon rain forest recycling savannah scientists seedlings seeds Show students species student worksheet Students gain students to compare students to discuss Suggested Assessment Students sunlight Tell students temperature ultraviolet light water cycle water vapor yeast