Term 3 Topic 3 Convection Teacher Input 4Ask the learners what happens when they hold their hand above:a fire at a braai (show the fire lighters);a candle that is burning (light the candle);a heater that is switched on (switch the heater on);an electric stove that is switched on. (Possible answers: heat of the candle flame / heat from the coals of the fire/ heat from the stove’s plate/ etc.).Show Video Clip 3: Econo-Heat - The world's most economical heating panel. (3:10 min.).Present an overview of convection by using: Presentation 4: ConvectionHand out Worksheet C: Investigating convection.Remind the class that they will work in groups and everyone must participate.Emphasize that they must work carefully with the equipment when they pack it out and pack it away.Learner Activity 3Learners complete Worksheet C.Teacher to use WORKSHEET C: Memorandum to mark the learners’ work. By Administrator|2017-09-01T09:14:06+02:00September 1st, 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.