Goals and contents of unite1 of 2nd prep book first term

Periodicity of elements and their properties

 First unit goals 

• At the end of this lesson, The student should be able to :

1- Recognize the principles of elements classification in the modern periodic table.

2-Estimate the scientists efforts in discovering, classifying and investing elements.

3-Determine the location and properties of some elements in the modern periodic table.

4- Compare between elements in different groups.

5- Compare between metals , non metals , metalliods and inert gases.

6- Describe main groups in the modern periodic table.

7- Use tools ,materials , instruments in studying elements.

8- create models of  some elements .

9-Determine water properties.

10-Determine water pollution types.

11- Explain equivalence of water.

12- take needed decision to protect water from pollution.  

• Second unite contents 

1- lesson 1:  Attempts of elements classification.

2- lesson 2: Graduation of properties of elements in modern periodic table

3- lesson 3:Main groups in the modern periodic table

4- lesson 4:water