PARAGRAPHKids will have fun learning about the life cycle of a plant with these free printable science worksheets for kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, and 5th grade students. Apr 25, - 5th grade science worksheets, PDF Printable, electricity and magnetism, force and acceleration, laboratory work, atoms and elements, cells and their characteristics, ecosystems, fossils, heat waves, properties of materials Animal Worksheets. Free printable 4th Grade Science Worksheets Plants download.