Some problems of physical atmospheric pressure in the second year of junior high school 1. Insert the straw into the bottle filled with water and suck the straw with your mouth. Can you suck the incoming water? Why? 2. Pour some hot water into the bottle, pour out the hot water, and then quickly close the cap. Why is the bottle shriveled? 3. After boiling water, the flask is fixed on the iron platform, and the peeled quail eggs are quickly put into the bottle mouth. You can see the quail eggs from the bottle mouth under the action of () thank you!

Some problems of physical atmospheric pressure in the second year of junior high school 1. Insert the straw into the bottle filled with water and suck the straw with your mouth. Can you suck the incoming water? Why? 2. Pour some hot water into the bottle, pour out the hot water, and then quickly close the cap. Why is the bottle shriveled? 3. After boiling water, the flask is fixed on the iron platform, and the peeled quail eggs are quickly put into the bottle mouth. You can see the quail eggs from the bottle mouth under the action of () thank you!

If the bottle is hard and sealed, it can't be sucked out because there is no help of atmospheric pressure. 2. Pour some hot water into the bottle, pour out the hot water, and then quickly close the cap. Why is the bottle deflated? The gas in the bottle can't be sucked out because of the temperature