Dropper Poppers are rubber toys that resemble half a rubber ball and are shaped as hemispheres. They are turned upside-down (or inside-out), left on a flat surface, and after approximately 5 seconds, the dropper popper flies upwards, going higher than its original position. Simply put, the rubber needs to return to its original position, and creates a high surface tension. The rubber’s urge to return to its original position also causes instability within the structure of the dropper popper. When you drop the toy onto a flat surface, the inverted part pops back out, slams into the surface, and causes the toy to bounce into the air. This is a very basic explanation of what causes the dropper popper to act the way it does, and the physics principles
The Reason that people need a tank when they play paintball is because you need a way to force the paintballs out of the gun and this cannot be achieved effectively by just using a spring. What they decided to do was to fuel the paintballs by pushing them with a gas. The way in which they did this was to put the gases, either Oxygen, Carbon Dioxide or Nitrogen under extreme pressure until they turned into a liquid and once they are in a liquid form they can be blown into a tank which probably looks something like this.
Hackey Sac, or Footbag as it is commonly called, has only recently become a sport. Versions of the activity have existed in Chinese, Native American, Thai, and other cultures for hundreds of years; however, a formal structure for the sport was not adopted until 1972 when John Stalberger and Mike Marshall created the format used today. Hackey Sac now falls into one of two categories: freestyle and net footbag. Freestyle, like that of other sports, consists of a routine of difficult tricks completed in succession with a maxiumum number of difficult tricks performed in a minimal time. Net footbag resembles volleyball in its use of a net (although only only raised to a height of 5 feet), except instead of manipulating the "ball" with hands, players use their feet. The topics discussed in these pages will focus on the freestyle elements of footbag rather than net due to the more complex motions involved in freestyle.
In the poem “Cartoon Physics, part 1” by Nick Flynn, children are idealistic and naive in their beliefs, however knowledge causes their views to change. The author uses many literary elements to help the audience understand the theme.
In the late 1970s, popular interactive candies for children were Pop Rocks and Space Dust. As children chewed these candies, tiny bubbles of pressurized carbon dioxide popped and fizzled, and resonated thunderously in the inner ear in a series of explosions that took place in the mouth. As described by children "it sounds like a storm in your mouth. If you swallow them fast, they crackle all the way down."
The purpose of the projectile lab is to test the validity of the law of conservation of energy. The application of this law to our everyday lives is a surprisingly complicated process. Conservation of energy states that energy cannot be created or destroyed, but that it can be transferred from one form to another. Consider the projectile lab from document A that this essay is based upon. In an ideal experiment, the projectile is isolated from everything except the gravitational field. In this case, the only force acting on the particle is gravity and there are only two forms of energy that are of interest: the energy of the particle due to its motion (defined as kinetic
Well it's quite simple actually. Spudguns use some of the same principles as internal combustion engines. Just as burning gas forces a piston out of a cylinder it can also force out a potato. A spudgun is a device that uses some form of propellant to project a potato across the sky. Usually these devices are made of ABS plastic sewer pipe. There are several major parts of the spud gun that these pages will refer to. These parts are the firing chamber, the igniter, and the barrel.
- The plumb bob was used to locate the centre of the trip plate , to
The Purpose of this lab is to use the impulse and momentum concepts to explain what happens when the eggs are dropped onto various objects.
So when you bounce a basketball it comes back up to your hand. But if you don’t touch it the ball will bounce again, this time it wouldn’t bounce as high, why is this? Scientist have studied and found out that the gravitational force of the earth makes the ball lose energy. This makes the ball bounce less and less each bounce. Some scientists say that the ba...
height of the ping-pong ball in a table of results. I will also make a
The reason this experiment got those results is because of the way the catapult launched the marshmallow. The energy transferred from user to the ruler than the marshmallow is called kinetic energy. The meaning of kinetic energy is “energy which a body possesses by virtue of being in motion.” While when the marshmallow was stationary it had potential energy. The user transferred energy to the catapult then to the marshmallow which travelled across the room. Each launch the marshmallow was given a different amount of energy by the user. Even though this experiment used rubber bands they weren't used to help the launch marshmallow but keep it together. So that meant there was no elastic potential energy involved which could've insisted in this
In this experiment, there were several objectives. First, this lab was designed to determine the difference, if any, between the densities of Coke and Diet Coke. It was designed to evaluate the accuracy and precision of several lab equipment measurements. This lab was also designed to be an introduction to the LabQuest Data and the Logger Pro data analysis database. Random, systematic, and gross errors are errors made during experiments that can have significant effects to the results. Random errors do not really have a specific cause, but still causes a few of the measurements to either be a little high or a little low. Systematic errors occur when there are limitations or mistakes on lab equipment or lab procedures. These kinds of errors cause measurements to be either be always high or always low. The last kind of error is gross errors. Gross errors occur when machines or equipment fail completely. However, gross errors usually occur due to a personal mistake. For this experiment, the number of significant figures is very important and depends on the equipment being used. When using the volumetric pipette and burette, the measurements are rounded to the hundredth place while in a graduated cylinder, it is rounded to the tenth place.
In an attempt to be more eco-friendly (and feeling wasteful at work using plastic disposable cups) I bought the Chute water bottle from Camelbak. The drinking spout was intriguing as I generally avoid anything other than wide mouth Nalgene bottles. All water bottles really offer the same function, but the key aspects I look for are: easy to clean, clearly marked volume, doesn't make a mess, and the ability to use standard sized ice cubes.
The force field analysis model is a general purpose technique model that was originally developed by Kurt Lewin. The force field analysis model views organizational behavior as a dynamic balance of forces working in opposite directions. These dynamic forces are seen as driving forces and restraining forces. The driving forces are the forces that support and invoke change within the organizations. The restraining forces are the forces that go against the change or hinder the ability of the organization to successfully implement change. A focre field analysis of Starbucks using one organizational change initiative that the organization is attempting to put into place will be reviewed.
Is it ethical or even helpful to try to impose order on a haphazard existence? Is it right to play God, to steal the limelight from the cosmos? Man used to ponder existence, but with the increasing possibilities of science, we now ponder our power over existence. In “An Experiment with an Air Pump,” Shelagh Stephenson uses symbolism associated with Isobel as a voice of foreboding in a society “enraptured by the possibilities of science” (3). Stephenson associates Isobel with a bird, a pile of bones, and a sheep to reveal the dark side of the “light,” the scientific revolution.