冀教版九年级上册Unit 3 Lesson 17 Staying Safe in an Earthquake课件(共18张PPT)+音频

资料属性

• 资料版本：冀教版
• 适用地区：全国
• 文件大小：3.2MB

资料简介

(共18张PPT)
Unit 3
Safety
Lesson 17
Staying Safe in an Earthquake
Crust
mantle
Outer Core
Inner Core
There was an earthquake.
Can you guess what happened
lead in
1.What is an earthquake
It is a sudden shaking of the ground.
2. Why does it happen
Because there is a movement in the earth’s crust.
3....