外研版 book 1 module5 READING.ppt

1、Module 5A Lesson in a Lab,vocabulary,potassium,sodium,calcium,magnesium,aluminium,zinc,iron,copper,Fast reading,Read passage A quickly and finish task 2 on page 44.,The reaction of metals,Are metals used in the same way? Please give an example. 2. What should we know when we use metals? 3. Which met

2、al react most with water, potassium or iron?,Answer questions about passage A,Careful reading,For example: If heated/(we heat potassium) in oxygen, potassium(it) burns to form an oxide. It also can react with cold water.,4. Describe the reactions in the chart (表格) by using complete sentences.,Passag

3、e BA simple scientific experiment,Fast reading,Find out the five main aspects（方面） of an experiment report. 2. Finish the table（表格） on page 45.,A simple scientific experiment 1) aim 2) apparatus 3) method 4) result 5) conclusion,What is the purpose（目的） of the three experiments? 2. In the second part:

4、 1) Why should we boil the water for three minutes? 2) Why should we add some oil to the water?,Careful reading,Answer questions about passage B,3. Please describe the experiment in your own words.,This is a _ _ _ done in a lab. Its aim is to When we do this experiment, First, Then, Next, After that, Lastly, After one week / A week later So we can reach a conclusion that,Discussion and Writing,請(qǐng)運(yùn)用所學(xué)知識(shí)，設(shè)計(jì)一個(gè)比較食鹽（salt）與沙子（