A rubber sucker is the thing we use to stick light stuff to glasses. The answers will come in relation to atmosperic pressure and air pressure.
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The atmosphere has a pressure of about 14 pounds per square inch. The suction cup forms the top of a small enclosed volume, where the surface it is sticking to forms the bottom. If you can keep all the air out of that little volume then it is a vacuum and the pressure inside is zero pounds per square inch. In that case, a 1 square inch suction cup is PUSHED against the surface by a force of 14 pounds. The spit is just to help seal the edges to keep air from leaking in to the vacuum.
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it made rubber tires pocible
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Follow the steps with reference to the webpage ...\n\nStep 1 Characteristics of air\n\nLet's fit a rubber to a can like Figure 1. You can understand easily that the rubber expands when the can is heated (Figure 2), and the rubber contracts when the can is cooled (Figure 3). It is caused that a pressure of the air in the can works to the rubber when the air is heated, shown in allows of Figure 2. Of course, you cannot see the pressure by your eyes.\n\n \nStep 2 What is a displacer piston?\n\nNext, let's put in a piston into the can like Figure 4. A diameter of the piston must be somewhat smaller than that of the can, because the piston works to move (displace) the air up and down in the can. And, please heat the bottom side of the can and cool the upper side of the can. After it has enough temperature difference, move the piston up and down by your hand. When the piston is moved up, the rubber expands because there is a lot of hot air in the can (Figure 5). It corresponds to Figure 2. When the piston is moved down, the rubber contracts because there is a lot of cold air in the can. It corresponds to Figure 3.\nIn the case of the Stirling engine, this piston, which moves (displaces) the air and make the pressure changes is called a displacer piston.\n\n \nStep 3 Crank mechanism ~ from piston motion to rotation ~\n\nDo you understand about the characteristics of the air and the work of the displacer piston? They are very important to understand how does the Stirling engine work.\nFirst, connect from the piston and a bent wire with a thread like Figure 6. When the bent wire is rotated, the piston is moved up and down. This is called a crank mechanism.\nPlease heat the bottom side of the can and cool the upper side of the can, similar to above description. When your hand rotates the bent wire, the piston is moved up and down, and the rubber expands and contracts repeatedly (Figure 7).\n\n \nStep 4 Power piston ~ function of the rubber ~\n\nThe Stirling engine converts from the motion of the rubber to the rotation of the bent wire. Please connect from the rubber to the bent wire with a rod. In this time, a force of the rubber (expansion and contraction) has to be the direction, which rotates the bent wire. In short, you must bend the bent wire the just right angle (90 degrees) from the piston like Figure 8 and 9.\n\n \nStep 5 Flywheel ~ for the smooth rotation ~\n\nThis engine has not worked yet. If you try to work this engine (Figure 8 and 9), the rubber keeps the most expansion or contraction. In order to rotate smoothly and repeatedly, you must fit a rotated mass with the bent wire. It is called a flywheel.\nGenerally, the flywheel is circular like Figure 10. But at this point, please bend the end of the bent wire, and fit a mass at the edge of the wire like Figure 11. The mass works as the flywheel and to be balanced to the weight of the piston. So, you must fit the mass against the piston.\n\nThis page of diagrams courtesy of Koichi Hirata.\n\nPlease click the link for the diagrams ...\nhttp://www.hotairengines.com/WorkingDescription/Work.htm\n\nWith Love\nsridhar
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Both.\n\nWater is a polar molecule so it adheres to itself, so it has some adhesive properties.\n\nIt also has high viscosity so it can act as a lubricant in some circumstances.
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You better read something on this:\nhttp://en.wikipedia.org/wiki/Pressure
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I am not sure if this is what you are looking for??? but try this link\nhttp://www.chm.davidson.edu/ChemistryApplets/GasLaws/Pressure.html
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Perhaps it's weight/area (= pressure).
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Bingo!!! You got it...air resistance.  If you dropped them in a total vacuum, they would both fall at the same rate.
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both.  the friction, as well as creating its own heat, slows the airflow, which aggrivates the compression along the leading edges.\n\nI'm pretty sure.  don't put this on a physics test and then blame me.
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Either air pressure, or fluid pressure on a fluid present in the cylinder.
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A balloon filled with hot air rises because of the force of buoyancy. That means the density of air inside is lesser than the surrounding air (because hot air expands thus density decreases) and thus there is an upthrust acting on the balloon. Now, if the surrounding air is at the same temperature then its density is same as that inside the balloon and so the balloon will not rise. But the balloon will not not remain at the same point. it will fall because of the weight of the rubber in it.\n    In case of exploration on other planets, firstly other planets have very low density of air in the atmosphere (most of them do not have any air) and secondly even then is one wants to use this one has to heat up the balloon to a temperature for which the density decreass lower than the surrounding. Hope this answers your question.
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flashing strobe lights or patterned lights\npower of thought\nplanting a seed-notion...the idea of\n*chinese toture technique:the drip- a series of slow positioning drip/droplet(s) of water  hitting the target on certain areas of face-forehead ,nose- while tied or bound to where victim cannot reach or wipe away- it gets extremely annoying 2 say the least!!
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of course you suck through a straw..\n\nand gravity does not get removed, unless you remove the source of the gravitational source, namely the earth and you..\n what really happen is that you creat a vacuum inside your mouth by removing air away, hence making it possible for fluid to move up the straw..\nyou can also make a vacuum inside a tin can or a bottle if you remove air by heating vapor away, heat expands, and evaporates, when you cool it quickly it creates an instant vacuum..
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yea it is called turgor pressure. that means the amount of water the plant recieves it can be high or low
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a) stretching - the objects "necks" or thins down\n\nb) compression - the objects "bellows" or gets fatter
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either your teacher is nuts or you probably know more about this than us. the bulb has to be a vacuum, and making a glass vacuum requires better equipment than most people have access to.
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a broom or broom stick!\n\n=)