《Unit　　3　Look　at　the　shadow!课件》小学英语牛津上海版四年级下册课件40357

Guess!Sometimes its long and tall.Sometimes its short and small.Sometimes its on the wall.Sometimes its on the floor.When the light goes off,you wont see it any more.Guess!Sometimes its long and tall.Sometimes its short and small.Sometimes its on the wall.Sometimes its on the floor.When the light goes off,you wont see it any more.What colour is a shadow?Where can you see it?Does a shadow change?变化The trees shadowTheres a tree in the center.Theres a hill behind the tree.Theres a bench under the tree.Theres a path in front of the bench.They are all on a lawn.hillbenchpathlawnWhy does the shadow change?1.When is it?Its in the morning.2.Wheres the sun?Its behind the hill.3.Wheres the trees shadow?Its on the lawn.4.How is the shadow?Its long.Look at the sun.In the morning,it rises behind the hill.The trees shadow is long.It is on the lawn.1.When is it?Its at noon.2.Wheres the sun?Its high in the sky.3.Wheres the trees shadow?Its on the bench.4.How is the shadow?It grows short.At noon,the sun is high in the sky.The trees shadow grows short.It is on the bench.1.When is it?Its in the evening.2.What happens to the sun?It goes down.3.Wheres the trees shadow?Its on the path.4.How is the shadow?It grows long again.In the _,the sun _.The trees shadow _.Its on the _.eveninggoes downgrows long againpathIn(At)_,the sun _.(where)The trees shadow is _.(where)It grows _.(how)