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
plant
earthquake
weather
temperature
space
universe
computer
the Internet
machine
light
math
earth
life
Unit 5 Look into Science.
Lesson25
Let’s Do an Experiment .
Let’s do an experiment. First, I _____ a jar_____ water. I ________ the top _______ a piece of cardboard and hold it there. Then I ________ the jar___________ and______ my hand _______the cardboard ,can you guess what will happen ?
Listen and fill in the blanks.录音25.mp3
fill
with
cover
with
turn
upside down
take
off
Step 1 Preparation
Make a list of the materials and tools
that we will use in the experiment.
water, a jar,