• Rocks    Part 2 –    structure and mineral composition.
• The world´s oldest rock found? - checking your homework

Homework:

1. Do the compulsory "odpovědník"  Revision test - vocabulary (slovní zásoba)
2. Print the text and tasks for next week
3. Prepare a presentation on the comparison of two samples of rock. Compare their class, texture, composition, structure, occurrence and usage.