UNIT 4 Look into Science! Lesson 32 Unit Review

Ⅰ. Building Your Vocabulary

A. Fill in each blank with the proper word or phrase from the list. Use the correct form.

discover ,taste ,examine ,hide ,prove ,light ,
發(fā)現(xiàn),嘗起來,檢查,隱藏,證明,點(diǎn)燃,
B. Find the proper words in this unit.

C. Fill in the blank with the proper word. The first letter is given.

D. Complete the passage with the proper words or phrases.

Ⅱ. Grammar in Use

Fill in the blanks with the words in brackets in their proper tenses.

Ⅲ. Speaking the language.Complete the following dialogue.

Ⅳ. Putting It All Together

A. Reading comprehension.Water, Water, Everywhere
水，水，到處都是
Most things have three states: solid, liquid and gas.
大多數(shù)物質(zhì)有三種形態(tài)：固態(tài)、液態(tài)和氣態(tài)。
We can change a solid into a liquid and a liquid into a gas.
固態(tài)可以轉(zhuǎn)化成液態(tài)，液態(tài)可以轉(zhuǎn)化成氣態(tài)。
It doesn't matter which of the three states a thing is in, it is still the same thing.
無論這種物質(zhì)是以什么形態(tài)存在，其本質(zhì)相同。
Let's think about water to see how this works.
我們以水為例來看這個(gè)過程。
Water is one of those things that exists in three states.
水是以這三種形態(tài)存在的物質(zhì)之一。
Liquid water is found in many places.
液態(tài)水在許多地方都可以看見。
You can see liquid water coming out of the tap or running in a river.
你可以看到液態(tài)水從龍頭里流出，在江河里流淌。
You can see water falling from the sky as rain, snow, or ice.
你可以看到水以雨、雪、冰的形態(tài)從空中落下。
Ice and snow are examples of water in the solid state.
冰和雪都屬于固態(tài)的水。
We can change liquid water into solid ice and back again into liquid water.
液態(tài)水可以轉(zhuǎn)化為固態(tài)的冰，反之亦然。
We can also turn water into a gas.
水還可以轉(zhuǎn)化為氣態(tài)。
In winter, put your wet clothes near the fire, then you can see gas rising from the wet clothes.
冬季，把濕衣服掛在火附近，你就會看到濕衣服上有氣體溢出。
Why? Water changes into a gas.
為什么呢？因?yàn)樗D(zhuǎn)化成了氣體。
When you breathe on a mirror, you can see little drops of water on the mirror.
在鏡子上呵一口氣，你會看到鏡子上有小水滴。
What happens? Gas turns into water.
發(fā)生了什么呢？ 水汽變成了水。
Is the statement true (T) or false (F)?

B. Writing exercise,You did some experiments in this unit.

Now try this one: can you make an egg stand upright?

Try it and write down what happens.

Do you know? Certainty and Uncertainty
你知道嗎？確定及不確定
I'm sure/not sure.
我確定/不確定。
I'm sure/not sure (that/which/why/whether... )...
我確定/不確定（that/which/why/whether引導(dǎo)的從句）……
Perhaps I'll work in the space program.
或許我會為太空計(jì)劃工作。
Maybe you should do this experiment outside.
或許你該在外面做這個(gè)實(shí)驗(yàn)。
Maybe you used glue! Sequence
或許你用了膠水！順序
First, Brian fills the jar with water and puts the cardboard on top of it.
首先，布賴恩在罐子里注滿了水，并把硬紙片放在頂部。
Then, he puts his hand on the cardboard and turns the jar upside down.
然后，他用手按住硬紙片，把罐子翻轉(zhuǎn)了過來。
Next, he holds the jar above Danny's head.
接著，他把罐子拿到丹尼的頭上方。
Finally, he takes his hand off the cardboard.
最后，他把手拿開。
The Simple Future Tense
一般將來時(shí)
shall.I shall wear shorts tomorrow.
明天我要穿短褲。
Shall we have any classes tomorrow?
明天我們有課嗎？
will.There will be some showers this afternoon.
下午有陣雨。
I'll tell them my theory.
我將把我的理論告訴他們。
Will you be free next week?
下周你有空嗎？
I'm sure I won't lose my way.
我確定我不會迷路的。
be going to

Is Danny going to hide an egg in his mouth?
丹尼要把一只蛋藏在嘴巴里嗎？
We are going to do a science experiment in class tomorrow.
明天我們上課時(shí)要做一個(gè)科學(xué)實(shí)驗(yàn)。
I'm not going to get wet. It's going to rain.
我不會淋濕的。 要下雨了。