**This classroom-ready lesson explores how the periodic table developed as scientific understanding changed. Students examine the work of Newlands and Mendeleev, how successful predictions supported ...

KS3 or KS4 (recap/lower sets) Science (stand-alone chemistry cover lesson requiring no computer access or student prior knowledge). All of the answers to the questions are contained in the resource, ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...