Term 2 Topic 4 Arrangement of the elements on the Periodic table IntroductionGreet the learners.Ask the learners what they understand about ‘classification’. Possible answers [naming, grouping the same kind, category, ranking, class, grade, kind, sort, type, variety, etc.].EnergiserShow Video Clip 1: The NEW Periodic Table Song Lyrics (In Order). [2:44 min.].Teacher Input 1Inform the learners that they will be introduced to the Periodic Table of Elements which is a chemistry classification system.Mention that scientists and chemists need the Periodic Table as an essential tool, because the elements are placed in categories according to each one’s properties.Point out that every element has a specific name, symbol and atomic number.Ask the learners to jot down the following while they are watching the presentation:A few elements that are known to them.One element’s name, symbol and atomic number.The three main categories of the elements.Present an overview of the elements on the periodic table by usingPresentation 1: Arrangements of elements on the Periodic Table.Learner Activity 1Possible answers of the three questions on which the learners had to report back:Calcium, Oxygen, Copper, Gold, Hydrogen, Nitrogen, Chlorine, Tin, Silver, etc.Element’s name: Iron; Symbol: Fe; Atomic number: 26 [any other element].Metals, non-metals and semi-metals.Complete Worksheet A: Arrangements of elements on the Periodic Table.Teacher to use Worksheet A: Memorandum to mark the learners’ work.Teacher Input 2Tell the learners that they will be watching a slide show about the Periodic Table.Instruct them to take notice of the following important facts: [It can be written on the board]The category of elements that are arranged on the left.The category of the elements on the far right-hand side.The category of the elements that are arranged between these two categories.The zigzag line that separates two categories.Show Video Clip 2: Slide Show - The Periodic Table.Show Video Clip 3: Slide Show - The Periodic Table.Learner Activity 2The learners must be attentive and report back on the important facts which they had to observe. Example:MetalsNon-metals [except Hydrogen, which is on the left].Semi-metals.The zigzag line separates the metals from the non-metals.Complete Worksheet B: Matching elements and symbols and answering short questions.Teacher to use Worksheet B: Memorandum to mark the learners’ work. By Administrator|2018-02-19T11:03:03+02:00February 19th, 2018|0 Comments Share This Story, Choose Your Platform! facebooktwitterlinkedinredditwhatsapptumblrpinterestvkEmail About the Author: Administrator Leave A Comment Cancel replyYou must be logged in to post a comment.