⚠️ The material is significantly more challenging than standard programs (like "School of Russia"), which may frustrate some students.

Distinguishing between rocks and minerals, and understanding their practical use.

The 2nd quarter of the 3rd grade typically covers complex topics involving Earth's systems and the relationship between nature and human society.

This review is for the test, following the Leonid Zankov system for 3rd Grade, 2nd Quarter .