Fill a plastic bottle with water to the top and screw the cap tightly. Try to squeeze the bottle.

Fill a plastic bottle with water to the top and screw the cap tightly. Try to squeeze the bottle. What conclusion can be drawn from this experience? Pour out some of the water and try squeezing the bottle again. What conclusion can be drawn from this experience?

Fluids are practically incompressible. Gases are easily compressible.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.