Term 2 Topic 3 Insoluble substances IntroductionSome solids will not form a solution in water (insoluble solids).Teacher Input 8Tell learners that they have now learnt that some substances are soluble and others are not (insoluble).Ask the learners what their mothers or sisters use to remove nail polish from their nails.Answer: Nail polish remover or thinners.Is it possible to remove your nail polish with water? Why not?Answer: Nail polish is not soluble in water.Can the learners think of any other examples?Answers can include: We can clean a paintbrush in water if we used a water-based paint. If we used an oil-based paint, the paint will not be soluble in water, so we would need to use thinners.Show VIDEO CLIP 8: Soluble And Insoluble Substance Why Does Salt Dissolve in Water But Not Oil Extra marks (2:24 min.). Present an overview of this topic by using PRESENTATION 4: Insoluble substances.Learner Activity 6Learners complete WORKSHEET F: Solutions and special mixtures: Word search.Guide the learners on how to undertake this activity by providing examples and explaining how this worksheet will be assessed.Teacher to use WORKSHEET F: Memorandum to mark the learners’ workRevision Activity 1Learners complete Quizzes 1 and 2.Teacher to support learners as they undertake each quiz.Teacher to explain how these quizzes will be assessed.Teacher to use QUIZ 1 and 2: Memoranda to mark the learners’ work. By Administrator|2017-04-20T12:28:41+02:00April 20th, 2017|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.