How is it possible that they are moving?
Geologists think that this is due to wind and mud but wind can’t move stones which weight as much as human. Some people think that this happens because of  freezing water at night in winter, which creates ice sheets.
Widespread winds in Death Valley are able to move the stones.

Anticipated problems:
Ss may find some of the exercises as redundant having in view that in some of them they encounter commonly used phrasal verbs.

Purpose: For the students to develop comprehension of the conception of osmosis and practice their skills to work scientifically by means of experiments

AIMS:
To revise and extend students’ knowledge of butyric carbohydrates
To systemize students’ knowledge of butyric carbohydrates
To put into practice the acquired knowledge of the structure, isomerism and chemical properties of the butyric carbohydrates
To illustrate the connection between the carbohydrates by means of chemical reactions
To develop students’ thinking and imagination by means of different logical operations- synthesis, analysis, comparison, analogy

There are more and more content online in the world. It is important for the students to understand how to use the web search effectively to find quality sources appropriate to their task. We've created this lesson to help our students in their schoolwork and beyond

Surveys video demonstration