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
4.学习实验过程，并享受实验的乐趣。
a jar /a big glass
a candle
a candleholder
a shallow dish
match(es)
water
/lighter
What do we need?
materials
( ) Put the candle holder on the dish.
( ) Examine the water in the jar.
( ) Fill the dish half full with water.
( )Let the candle burn for two or three minutes.
( ) Put the candle in the candle holder.
( )Light the candle.
( ) Carefully put the jar over the candle until the top of the jar rests on the dish.
Listen carefully and put the sentences
in the correct order.
2
7
3
5
1
4
6
Imagine and predict
what will happen?
I’m sure…
I think…