
Give your earth science students a focused look at radioactive dating with ninety questions built for real classroom use, whether you are starting a new unit or reviewing before a test.
Among the ninety questions, students will see prompts such as "What happens to Potassium-40 over time?", "Why is Argon-40 useful in K Ar dating?", and "What is the half-life of Uranium-238?"
Each worksheet reviews the same core ideas from a different angle. Use them across a week or unit so students see the material three times without it ever feeling repetitive.
This set is part of a NGSS aligned earth science unit. The unit also covers Solar System Formation, Formation of the Moon, Evidence from Meteorites, Geological Time Scale, Cratering and Surface Aging, and Early Earth's Volcanism, all in the same three worksheet format, so your classroom routine stays familiar while the topic changes.
Suitable for Grade 9-12 earth science classes, and for review at any point in the school year. This set is aligned to NGSS standard HS-ESS1-4.



