Try to fiqure out why one packaging worked and another did not. Alway ask an adult if you can perform this experiment. Cup Pan Take an empty cup and turn it upside down, then push it straight down into the pan of water. Water does not enter the glass because it is full of air. Tilt the glass and the air will pour out and the water will be able to come in.
Air is made up of tiny particles.
Air molecules move slowly when they are cool. They move faster when the air is warm. Dust floats around in the air when its hot because the air molecules are farther apart in heat and closer together when its cold. Get a plunger and press it onto the floor. Try to pull it up.