1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
必修4《Listening and vocabulary》集体备课PPT课件优质课下载
He discovered why all things fall down to earth.
Who is he?
The law of Gravity
Newton
(1643-1727)
Evolution
Charles Darwin
(1809-1882)
Origin of Species
Who is he?
Alexander Bell
(1847-1942)
Who is he?
Who is he?
He has made a famous kite experiment .
He learnt a lot from it and invented lightening rod（避雷针）.
He is ......
Benjamin Franklin
Who is he?
He invented electric bulbs.
He made more than 1,000 inventions during his life.
He is ......
Thomas Edison
Look at the photos of great scientists. Write down as much information as you can.
Group work: