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Soda bottle rocket project research
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Bottle rockets or water rockets, what are they?
When someone mentions bottle rockets, do you envision placing a firecracker attached to a stick into a glass bottle and launching it?
Water rockets have been a source of entertainment and education for many years. They are usually made with an empty two-liter plastic soda bottle by adding water and pressurizing it with air for launching (like the image to the right).
Soda companies began using plastic bottles in 1970. The Polyethylene Terephthalate (PET) material used in most plastic soda bottles today was introduced in 1973.
Water rockets are used in schools to help students understand the principles of aeronautics. The Science Olympiads provide challenges of bottle rocket design and flight, including altitudes and distances reached. Many interesting designs and additional information on bottle rockets can be found with a simple Web search.
Teachers and students provide the following feedback to the Secondary Science Education Department at the University of Nebraska:
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"Two-Liter Pop Bottle Rockets may well be the GREATEST PHYSICAL SCIENCE TEACHING TOOL EVER CREATED!!" Middle grades students can manipulate and control variables, see their hypotheses verified or refuted, and graph their findings.
High school students experience the nature of science at its best. They can document their abilities with the following concepts: inertia, gravity, air resistance, Newton's laws of motion, acceleration, relationships between work and energy or impulse and momentum, projectile motion, freefall calculations, internal and external ballistics, and the practice of true
engineering. How could something that sounds so simple be so complex? Open your mind to the science and mathematics behind this educational "toy." Below are links to a brief history timeline of rocketry, a comparison between water rockets and a NASA rocket, and additional information on the parts of a water rocket
The parachute of the bottle rocket deployed. It worked because it wasn’t “stuffed” into the nose cone. If it was, however, it would be stuck in the nose cone and not deploy. Even though the parachute deployed, it didn’t help the rocket decelerate too much. It was most likely because the parachute wasn’t big enough. If the parachute was made larger, the time of flight for the rocket would’ve increased.
Plastic water bottles are very convenient, but are also a big scam. It is very important for people to stay hydrated. Water bottles allow people to stay hydrated while they are out of the house. People don't want to become tired from being dehydrated, so they bring water with them. Water bottles are very popular, even though most of them are just tap water. The three texts I read, all show advantages and disadvantages of plastic water bottles. Each article also uses all three persuasive appeals, ethos, pathos and logos.
Steen, Lynn Arthur . "Integrating School Science and Mathematics: Fad or Folly?." St. Olaf College. (1999): n. page. Web. 12 Dec. 2013..
�where C is the drag coefficient, is the air density, A is the cross-sectional area of the body perpendicular to the velocity, and v is the velocity.� By themselves, these formulas seem somewhat easy, but a rocket�s flight incorporates many variable forces that make the calculations much more difficult.� We have already examined the rocket�s upward force and how the changing mass makes the force vary.
Rocketry, the use of rocket power as a propulsion mechanism, has changed the boundaries of man’s domain.Before the advent of efficient rocket power, space flight was seen as an impossibility and exclusively the subject of science fiction stories.The nature of rocket power changed in the early twentieth century when a man named Robert Hutchings Goddard focused his research and his entire life on efficient rocket propulsion.Rocket power had been thought of long before Goddard’s time, but he was the first to have success with it.
Lillian, M. et al. (2006). Improving the preparation of K-12 teachers through physics education research. American Journal of Physics 74(9): 763-767.
Rockets have been around thousands of years ago but they never worked the best. The earliest solid rocket fuel was in the form of gunpowder, and the earliest recorded mention of gunpowder comes from China late in the third century before Christ. The Chinese put gunpowder in bamboo tubes and threw them into fire in hopes to make loud enough sounds so that it would scare the evil spirits away from them. Some of the bamboo tubes were not sealed properly and instead of making loud sounds it shot off in fire flying through the air. One clever observer saw this and started to make tests about rockets and that was the first discovery of rockets. It later was used in China’s war tactics. In 1232 AD they built the first rocket and it flew around the room. After seeing the Chinese rockets other civilizations started to use the rockets in their war tactics. They used “Fire Arrows” for wars. It was hard to control and they did not know if it would hurt them or the enemy. The first rocket to get to space first was the Russians but America got to the moon in July, 20 1969. That was one of the most historical moments in America’s History.
The rocket launch project served to demonstrate how momentum, stability, drag, and a recovery system can aid a soda bottle rocket in flying. Though our rocket was not the prettiest, it did the job of utilizing water and compressed air to shoot into the air. Our challenge was to create a rocket that could withstand the force exerted on it during the launch, while making sure it could protect the egg inside of it. We tried changing many things until we created a rocket, cone, fin, and recovery system combination that worked. The overall look of our rocket included a plastic cone on top of a two liter bottle, and 4 fins around the base. Though our rocket
Moreover, the energy used in bottle production can supply energy to over 190,000 homes. The resources that can be conserved by ceasing the production of water bottles can solve many global problems faced by a growing population. The cost involved in water bottles is inconceivable to many. Bottled water costs 240 to 100,000 times more than tap water, which can be brought to your house for just pennies per day.
Robert Hutchings Goddard is an American rocketry pioneer; he is considered the father of modern rocket propulsion. In 1926, Goddard had constructed and successfully tested the first rocket that uses liquid fuel. The flight of Goddard’s rocket on March 16, 1926, at Auburn, Massachusetts, was as significant step to improving rockets. The first culture that started to experiment with rockets was the Chinese, the date reporting the first use of rockets was in 1232. The earliest rockets were used by the Chinese to defend their home from the Mongols by shooting a barrage of "arrows of flying fire.". They started to fill gunpowder into bamboo tubes, then they put the gunpowder filled tubes on arrows and began to launch them they eventually found that the gas can launch the arrows. When the
There can only be one best type and style of rocket. In order to have the best type and style of rocket it needs the correct fuel so the rocket has enough thrust to fly high. A rocket needs the right shape and size in order to fly straight and be aerodynamic. Another element rocket need are fins and it needs to be the right shape, position and size so it can help the rocket fly. The nose piece shape and size of a rocket is also important because the rocket needs to have no edges so there is less air drag and the nose piece stops that.
In a book written by Arthur C. Clark, he talks about early work that was done in the world of rocketry, but at the time it was only for entertainment. It happened hundreds of years ago. One of the first experiences with rockets came from “thirteenth century Chinese” (Clarke 71). Today, the technology is so advanced; flights of hundreds of miles are not uncommon.
Projectile motion is used in our daily lives, from war, to the path of the water in the water fountain, to sports. When using a water fountain or hose, projectile motion can be used to describe the path and motion of the water. This technology was created by finding the angle at which the water would come out at a maximum height and the person using it would be able to drink it without leaning over too much. These types of projectile motion will be further explored and analyzed in this assessment.
Nowadays, science becomes more fun for students and teachers. In the past, the students were sitting in their share listening to the teacher talking .Now the students encouraged in experimenting, thinking, building, observing, exploring, problem solving, and creating. One way to do that is by STEM activates. In this essay, I will discuss the value of inquiry-based, and how I implement it in STEM Day, I explain how students are assessed, how I build literacy skills and I will reflect on the STEM Day.
In Science, teachers serve as the facilitator of learning, guiding them through the inquiry process. Teachers must ask open-ended questions, allow time for the students to answer, avoid telling students what to do, avoid discouraging students’ ideas or behaviors, encourage to find solutions on their own, encourage collaboration, maintain high standards and order, develop inquiry-based assessments to monitor students’ progress, and know that inquiry may be challenging for some students so be prepared to provide more guidance. There are three types of Science inquiry: structured, guided, and open. Structured is the most teacher-centered form of inquiry. This type of inquiry is mainly seen in laboratory exercises where the teacher needs to provide structure, however the students are the ones who conduct the experiment and find conclusions. Guided inquiry is where the students are given tools to develop a process and find the results. As an example, the teacher would instruct the students to build a rocket, but not tell them how to design it. This leaves creativity and uniqueness for the students to be able to apply their knowledge and skills. Open inquiry is when students determine the problem, i...