Unit 4 Planting trees is good for us 课件（共21张）

Picture 1
Picture 2
Picture 3
Picture 4
Picture 5
Picture 6
Picture 7
Picture 8
plant trees
What should we do ?
Unit4 Planting trees is good for us.
Tree Planting Day
March the 12th
When is Tree Planting Day ?
plant trees
What should we do ?
water the trees
What should we do ?
keep the air clean
空气
What can trees do?
keep us cool
make the place beautiful make the place b utiful
地方
air
place
Tree Planting Day
plant trees
keep the air clean
keep us cool
make the place beautiful
How to plant a tree?

1.Dig a hole. (be not too big)
(The ground must be neither too wet nor too dry.)
2.Knock a stick into the earth in the hole.
(The stick should be straight.)
3.Put the tree in the hole next to the stick.
4.Put the earth back in the hole again.
Then push it down hard with your foot.
5.Tie the tree to the top of the stick.
( to keep it straight )
6.Water it well.
forest（森林）
The end
See you !