5. Inflate a balloon. Put his hole into a plastic mesh bags. Show how air balloon passes in the plastic bag AIR, AIR - EVERYWHERE NEEDED MATERIALS : Glass container or other transparent container with water, balloons, straws, fan, hair dryer, empty plastic bottle, plastic bag. 3. Allow children to feel the air that goes from one end of the straw, the moving fan the air flow of a jet dryer. ВЪЗДУХ, ВЪЗДУХ НАВСЯКЪДЕ