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For some experts , the natural sciences are astronomy , biology , chemistry , earth science , and physics . Other scholars choose to divide natural sciences into life sciences , which study living things and include biology , and physical sciences , which study nonliving matter and include astronomy , geology , physics , and chemistry . Some disciplines such as biophysics and biochemistry build on both life and physical sciences and are interdisciplinary . Natural sciences are sometimes referred to as `` hard science '' because they rely on the use of quantitative data ; social sciences that study society and human behavior are more likely to use qualitative assessments to drive investigations and findings . Not surprisingly , the natural science of biology has many branches or subdisciplines .
Please check all the words that can be used instead of the target word in the same context. Note that the morphology of the target (third person singular, past tense etc.) is considered to be applied to the candidate automatically in the process of paraphrasing.