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Science Skills The Process of Discovery
Living Things Are Made of Cells
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air mass air pressure Amazing Science Fact Answer the following atmosphere atoms bacteria blood vessels blue whale body called carbon dioxide causes Chapter Learning Objectives Chapter Quiz Chapter Review Chapter chemical chloroplasts circulatory system clouds color convection cumulonimbus cloud disease diskette Earth Earth's atmosphere effort force electrical charges electrons elements environment example fish following questions fossil fuels friction gases genes genetics gravity heat energy human kinds kingdoms layer light liquid living things Mad Scientist magnetic matter Mayoruna mechanical advantage metric molecules mountain move muscle nuclear nuclear fusion nucleus ocean floor offspring orbit organisms oxygen photosynthesis plants and animals plate tectonics plates poles protists reproduce Review Chapter Summary rocks Science Practice seeds separate sheet sheet of paper simple machine solar system substance sunlight surface temperature tiny traits unit warm waves weather wind Words to Know