Vortex Coin apparatus, The Wild Animal Sanctuary - Keenesburg, CO
Posted by: Groundspeak Premium Member Outspoken1
N 40° 02.104 W 104° 33.695
13T E 537404 N 4431741
This vortex uses coins to explore the principles of gravity and centripetal force and fund raising for the sanctuary!
Waymark Code: WMP70J
Location: Colorado, United States
Date Posted: 07/11/2015
Published By:Groundspeak Regular Member Math Teacher
Views: 3

The sanctuary has close to a mile of overhead walkway from which you may view the animals. Bring binoculars, coins (2 penny smashers inside!), water and food, if you like. There are concession stands and places to eat lunch if you brought it. Expect to spend at least two hours (I spent 3 hours and could have stayed longer). There is a audio tour accessible from your cell phone. This sanctuary provides an experience you will not forget!

"The Wild Animal Sanctuary is the oldest and largest nonprofit Sanctuary in the US dedicated exclusively to rescuing captive exotic and endangered large carnivores, providing them with a wonderful life for as long as they live, and educating about the tragic plight faced by an estimated 30,000 such animals in America today.

Established by Executive Director Pat Craig in 1980, The Wild Animal Sanctuary, is a state and federally licensed zoological facility and a 501(c)(3) nonprofit organization. Originally started on Pat’s family farm outside Boulder, CO, TWAS soon moved to Lyons, CO, where there was more room for the animals, and to provide for future expansion. After eight years in that location, TWAS was forced to move again due to a limestone quarry moving in nearby. The Sanctuary currently sits on 720 acres 50 miles east of Boulder. There is plenty of space for the animals’ 27 large acreage habitats, along with room to grow while still maintaining large grassland buffers.

TWAS is now located near Keenesburg, Colorado, and we are open for visitors year round, daily, 9am-4pm, except major Holidays and bad weather. During summer, from Memorial Day to Labor Day, we extend our hours from 9am – sunset.

The Sanctuary is located on rural, rolling grasslands northeast of the Denver Metro area. Comprising 720 acres and sheltering more than 290 Lions, Tigers, Bears, Leopards, Mountain Lions, Wolves and other large carnivores, it is the first sanctuary of its kind to create large acreage species-specific habitats for its rescued animals.

Since January, 1980, The Wild Animal Sanctuary has responded to nearly 1,000 requests from private citizens and government agencies to rescue animals from across the United States and in Mexico. Our furry residents were abused, abandoned, illegally kept, or were victims of other terrible situations.

At TWAS, the animals come first! Providing expert care and rehabilitation, exceptional diets and enrichment, and large spaces in which to roam make life for our rescued animals the kind of life they would have if they could choose it.

Education about the Captive Wildlife Crisis…its causes and solutions…is critical to changing social consciousness today, in order to provide a better future for captive wild animals. TWAS welcomes visitors, school groups and organizations to our Education Center at the Sanctuary, and also has a Speakers Bureau whose members do presentations for a variety of businesses, universities and other organizations.

A shocking statistic about America’s Captive Wildlife Crisis…the illicit exotic animal trade is the third largest source of illegal profits in the world today, just after illegal drugs and weapons! In the U.S. alone, there are an estimated 30,000 captive large carnivores living outside the zoo system. There are 4,000 Tigers living as “pets” in private homes in just the state of Texas – more Tigers than exist in the wild throughout the world. Countless other Great Cats, Bears, Wolves and other large carnivores live in abusive conditions in roadside stands, circuses, magic acts, traveling shows, and other substandard situations. Untold numbers of animals suffer and die each year due to neglect, abuse or because they are abandoned and left to die, starving and alone.

Public Safety is also a serious issue. Every year, people get hurt or killed by captive wild animals that have not been properly housed, or because the people were allowed to be in unsafe situations by the animals’ owners or keepers. TWAS is called upon by local, state and national law enforcement agencies to ensure public safety in situations where the public and/or animals are at risk.

The three main points of our mission…to rescue captive large carnivores who have been abused, abandoned, illegally kept or exploited…to create for them a wonderful life for as long as they live…and to educate about the causes and solutions to the Captive Wildlife Crisis…these things are what we commit to for the animals, and for the humans who help to make a positive difference for them." (from (visit link) )

"Our current facility is situated on 720 acres of rolling grassland - with additional areas under development.

The Sanctuary was designed and built with a centralized compound located in the middle of the habitats. This portion of the facility is used as an initial receiving area for new rescues, and has specifically designed areas that allow animals to recuperate and adjust to their new surroundings. The rehabilitation process for rescued animals begins here with special playgrounds located within the compound area that help prepare animals for living in large acreage habitats.

The monumental “Mile Into The Wild” Walkway stretches over 5,100 feet in length and gives visitors unprecedented access to over 350 Lions, Tigers, Bears, Wolves and other Large Carnivores roaming freely in natural habitats.

The walkway connects the Sanctuary’s original complex at the south end of the facility to the 4,000 square foot observation deck inside the state of the art Bolivian Lion House that sits on the northern edge of its current habitat system. With future expansion projects, we will continue to expand our network of elevated catwalks and decks over new habitats being built on our remaining 400 acres of open land.

Our very unique 7,000 square foot temperature controlled round-house provides optimal care - and is used as a primary staging area for recent rescues that will be going through our rehabilitation process prior to moving into a habitat.

Our extremely large habitats allow the animals to run free, and play with others of their own species.

Tigers and Bears love to swim in our natural lakes and ponds..." (from (visit link) )

A virtual tour may be found at (visit link) .

Their website with hours and fees is found at (visit link) . Do not use the directions from your GPSr to find them. The route will take you through many bumpy, dirt roads. Drive to Hudson, then go east. Many signs to take you in on paved roads.
Scientific Principle(s) being demonstrated:
Which Coins Roll Longest? Fastest? You can experiment with different coins to get different reactions. Which ones work best? Do the heavier quarters and nickels go faster than pennies and dimes? Does the smooth edge of a nickel and penny make a difference? Does the lower center of gravity (less top-heavy) dime have any advantage? Does wind resistance of the wider coins have an effect? You can learn the answers to these questions by making a straight launch ramp out of wood, plastic, or metal that launches coins onto a flat table. With the ramp at a constant angle, drop the different coins at the same point and measure how far they travel before they fall over. To conduct an accurate test, you will need to drop several pennies, several dimes, etc. so you can minimize the variables of nicks on the edges, lint, or dirty sticky coins. Insight #1: Here’s an insight that isn’t easily apparent: The heavier weight of a quarter and nickel cause them to build up a little more momentum (speed) out of the Vortx ramp. This is detrimental to a nickel which is not only heavy, but has a smooth edge. Therefore, it tends to “slide” down the ramp rather than developing a spinning (rolling) action created by the serrated edges of the quarter and dime. Because of this, in the Vortx toy, a nickel sometimes runs into the rim as it shoots off the ramp and has less balance since it is sliding more than spinning. Insight #2: The larger the coin, the greater its resistance against the side of the coin chute as it slides downward. Insight #3: The taller the coin, the higher the center of gravity (CG). Since a coin is trying to fall over as it rolls, it uses up some of its energy trying to balance upright. The higher the CG, the more energy is used just to stay upright. Also, as the coin descends into the more vertical portion of the funnel, that higher CG becomes even more of a factor. That combination of forces means that smaller coins will stay in rotation further down into the funnel. (from http://www.spiralwishingwells.com/guide/physics.html )


Briefly explain if the experiment was effective for you. Could it have been better?:
The ability to observe the coins path was useful, but there was no scientific explanation of the effects occurring. I have seen other vortex coin apparatus that have an explanation of the principles being revealed.


When is the apparatus/experiment available to the public:
See website of The Wild Animal Sanctuary. Generally, 7 days a week during the summer; Fri-Sun during the winter.


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