Wednesday, June 14, 2017

Writing assessment

 The industry made carbon dioxide in the air then if you have many carbon dioxide will make global warming.The global warming is a cause of acid rain. Acid rain will destroy the building and so many things in society.When you want to make energy from coal, it will create air pollution to place that nearby you.

Wednesday, June 7, 2017

Skill Practice

- Calculate the density of each of your mineral samples. How could you use the density to identify the minerals?
Ans. Density won't change so if you calculate again it will be same density.
- Key Concept Would density or color be more useful in identifying a particular mineral? Explain your answer.
Ans.  The density is easier than color to identify the minerals. Because color can be same but different types of minerals.

Density Lab

Density Lab