Nuclear radiation and live organisms Whiteboard exercise Play

Nuclear radiation and live organisms Student activity Play

Permeability and absorption of X-rays Student activity Play

Pollination and protection against self-pollination Student activity Play

Prevention of corrosion Student activity Play

Protecting the environment Student activity Play

Protection against noise Slideshow Play

Protection of a house against heat loss Simulation Play

Protection of a house against heat loss Whiteboard exercise Play

Protection of a house against heat loss Student activity Play

Protection of food against bacteria – preservatives Whiteboard exercise Play

Protection of food against bacteria – preservatives Student activity Play

Protection of food – antioxidants Whiteboard exercise Play

Protection of food – antioxidants Student activity Play

Protection of the civilized environment Student activity Play

Protection of the civilized environment Whiteboard exercise Play

Protection of the human body against bacteria Whiteboard exercise Play

Protection of the human body against bacteria Student activity Play

Roles of efficient utilization and recycling in environmental protection Slideshow Play

Sacrificial protection Animation Play

Sacrificial protection Animation Play

Satellite telephones Student activity Play

Structure and functions of epithelial tissues Student activity Play

The ecosystem – an organized and functional unit of the natural environmental Whiteboard presentation Play

The ecosystem – an organized and functional unit of the natural environmental Class activity Play