Worksheets / Science / Half-Life Worksheet Half-Life Worksheet Worksheet by Haley Gibbs Subjects Science Grades Grade 8 , Grade 9 Language ENG Assignments 66 classrooms used this worksheet Half-Life Worksheet radioactive decay nuclear physics science calculations isotope properties Educational Standards CCSS CCSS.ELA-LITERACY.RST.9-10.4 CCSS CCSS.ELA-LITERACY.RST.9-10.7 CCSS CCSS.ELA-LITERACY.RST.9-10.3 Make it yours