过目不忘
Learn the new words in groups. Thenshow your pronunciation.(小组内互相帮助，学习新单词，并展示合作学习成果)
Listen to the tape and circle the newwords in the text. Try to understand thenew words and text.（听录音,划单词，初步理解文章大意及新单词的用法)

找一我
三读课文,找出下列词组和句子，并写出其意思。
1.fill...with用...把...装满
2.turn...upside down把...颠倒
3.pour out涌出
4.scientific method科学的方法
5.cover...with用...把...盖上 6.be sure of sth对.…...…有把握
7.take...off把...从...拿开
8. the force of the air空气的压力

1.i cover the top with a piece of cardboard and hold it there.
2.The force of the air keep the water in the jar.
3.it is so strong enough to hold the water.
4.i am so sure of my theory that Brian can do the experimentand I know you won't get wet.