6.5 Friction

Good morning students of grade 3B.Today is thursday-30.04.2020
Today our topic is friction .Friction is a force that acts when two surfaces rub together.The size of friction force depends on the two surfaces which are rubbing together.For example;Ice is slippery,so there is a little friction between puck and the ice
Watch this video and complete the exercises in the science activity book page number 37&38.Refer science learner's book page number 66&67