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THE EXPERIMENT OF A WATERWHEELToday I have conducted an experiment to show what happens when water ispoured into the blades of a mill built with 2 cardboard plates and 2 plastic platesfrom highter up.Firstly, I have cut the cup-shapes out of the egg boxes and stapled them on theempty left spaces of the first plastic plate previuosly cropped. Thereafter, I havepasted the egg cup-shapes together with the second plastic plate and, afterhaving created a hole in its centre, I have inserted a pencil within covered by 2empty cotton reels placed at its extremities.But, what happens when water is spilled into the blades ?Finally, once I have arranged a bowl under the mill to make sure that watercould flow without any trouble, I realized how water has the powerful impact toallow and to make possible the rotation of the blades. Besides, I have observedthat the two blades pass from a stable condition to a moving one so thatpotential energy becomes kinetic energy.Class 4 ELDi Nardo Alessandra

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THE EXPERIMENT OF A WATERWHEELToday I have conducted an experiment to show what happens when water ispoured into the blades of a mill built with 2 cardboard plates and 2 plastic platesfrom highter up.Firstly, I have cut the cup-shapes out of the egg boxes and stapled them on theempty left spaces of the first plastic plate previuosly cropped. Thereafter, I havepasted the egg cup-shapes together with the second plastic plate and, afterhaving created a hole in its centre, I have inserted a pencil within covered by 2empty cotton reels placed at its extremities.But, what happens when water is spilled into the blades ?Finally, once I have arranged a bowl under the mill to make sure that watercould flow without any trouble, I realized how water has the powerful impact toallow and to make possible the rotation of the blades. Besides, I have observedthat the two blades pass from a stable condition to a moving one so thatpotential energy becomes kinetic energy.Class 4 ELDi Nardo Alessandra

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Hi everyone, today my classmates and I have made a water wheelusing the following materials:- 2 plastic egg boxes- 2 small cardboard plates- a stapler- some scissors- 2 empty cotton reels- a pencil- 2 long rulers or flat sticks- Plasticine and sticky tapeFirst we took the two plastic plates, and cut them carefully. Afterwe took the egg cartons, we divided the parts that previouslycontained the eggs and then stapled them on the plastic plate.After that we combined the two dishes and made a hole in thecenter using a skewer. To the latter we added the empty cottonreels and with the scotch tape we combined them with tworulers. Using plasticine, we combined the rulers with a bowl.Finally, as shown in our video, in doing so, it is possible totransform potential energy into kinetic energy. Furthermore wecan observe that as the height of the mill varies from the sourceof the water, the speed of the blades changes.This experiment was very interesting and we had a lot of funbuilding the mill.Edited by Soldani, Chiappinelli & Affatato

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Hi everyone, today my classmates and I have made a water wheelusing the following materials:- 2 plastic egg boxes- 2 small cardboard plates- a stapler- some scissors- 2 empty cotton reels- a pencil- 2 long rulers or flat sticks- Plasticine and sticky tapeFirst we took the two plastic plates, and cut them carefully. Afterwe took the egg cartons, we divided the parts that previouslycontained the eggs and then stapled them on the plastic plate.After that we combined the two dishes and made a hole in thecenter using a skewer. To the latter we added the empty cottonreels and with the scotch tape we combined them with tworulers. Using plasticine, we combined the rulers with a bowl.Finally, as shown in our video, in doing so, it is possible totransform potential energy into kinetic energy. Furthermore wecan observe that as the height of the mill varies from the sourceof the water, the speed of the blades changes.This experiment was very interesting and we had a lot of funbuilding the mill.Edited by Soldani, Chiappinelli & Affatato

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EXPERIMENT OF THE WATER WHEEL Today my friends and I have conducted an experiment to show how the height from which water is pouredonto the blades of a mill can influence its rotation. To prepare for this experiment we have gathered somematerial:1) 2 plastic egg boxes2) 2 plastic plates3) A skewerFirst thing first, we’ve cut the cut-shapes out of the egg boxes and stapled them on the surface of a plasticplate which we had first carefully cut out.Secondly, we have sticked the other plate together with the egg shapes, we have pushed the skewerthrough the centre of the plates and arranged it in a big bowl so that the mill could rotate without anytrouble.Finally, we’ve observed how the power of flowing water could make the blades turn producing mechanicalenergy thanks to the impact that water has on the baldes because it transfers its motion quantity to them.OBSERVATION: this is what happens to real mills whose blades are pushed by water which makes thempass from a stable position to a moving one so that potential energy becomes kinetic energy. Besides themill’s blades are connected to a giant stone wheel which rotates to crush cereals,wheat etc. The same thinghappens to the mills connected to a turbine that, rotating, creates energy.20200312_191835.mp4In addition to what previously exposed, we can see that, changing the heigth of the mill from the source ofwater, we can change the rounding velocity of the mill itself, because the furthest the mill from the sourcethe more potential energy turns into kinetic energy increasing the speed of the blades, as the law ofconservation of mechanical energy explains.20200312_192249.mp4Class 

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EXPERIMENT OF THE WATER WHEEL Today my friends and I have conducted an experiment to show how the height from which water is pouredonto the blades of a mill can influence its rotation. To prepare for this experiment we have gathered somematerial:1) 2 plastic egg boxes2) 2 plastic plates3) A skewerFirst thing first, we’ve cut the cut-shapes out of the egg boxes and stapled them on the surface of a plasticplate which we had first carefully cut out.Secondly, we have sticked the other plate together with the egg shapes, we have pushed the skewerthrough the centre of the plates and arranged it in a big bowl so that the mill could rotate without anytrouble.Finally, we’ve observed how the power of flowing water could make the blades turn producing mechanicalenergy thanks to the impact that water has on the baldes because it transfers its motion quantity to them.OBSERVATION: this is what happens to real mills whose blades are pushed by water which makes thempass from a stable position to a moving one so that potential energy becomes kinetic energy. Besides themill’s blades are connected to a giant stone wheel which rotates to crush cereals,wheat etc. The same thinghappens to the mills connected to a turbine that, rotating, creates energy.20200312_191835.mp4In addition to what previously exposed, we can see that, changing the heigth of the mill from the source ofwater, we can change the rounding velocity of the mill itself, because the furthest the mill from the sourcethe more potential energy turns into kinetic energy increasing the speed of the blades, as the law ofconservation of mechanical energy explains.20200312_192249.mp4Class 

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4EL Siena,Diana,Calabrese,Carella

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Thanks to the water cycle, water is considered one of our planet’s renewable resources,
similarly to the sun. And like the sun, water can be utilized to generate power. In fact,
hydropower was one of the first sources of energy used to create electricity. Hydropower
works by using flowing water to move a turbine. At home, you can learn how to use water
to move an object by creating a water wheel! Experiment materials: 1. Plastic egg boxes
(one or two) 2. Cardboard plates (two) 3. Scissors 4. A pencil or a pen 5. A stapler Firstly,
cut the cut-shapes out of the egg boxes and staple them on the first cardboard plate which
has to be cut very carefully and shaped as a circle. Secondly, staple them on the one
cardboard plate and push the pencil or the pen through the center of the plates so that the
mill will easily rotate. Eventually, open the water from the tap and observe carefully the
moving structure to understand how a water wheel creates and trasfers energy. As water
flows and spins a water wheel, the pace of its spin and the kinetic energy are converted
into electricity. If you have ever seen a water wheel, you know that they usually consist of
two large wooden or metal wheels that have paddles or buckets arranged along the
outside edge or rim of the wheels. The force of the water pushes the wheel and therefore
creates movement along the axle. The movement of the wheel turns the axle located in the
center of the water wheel and transfers the energy to a drive belt or a system of gears that
operates an additional system. The additional system usually does some sort of work such
as: grinding flour for baking, grinding pulp to make paper, preparing fibers to make clothes.
Furthermore, when an object falls (in this case water) its gravitational potential energy is
turned into kinetic energy. Thanks to the law of conservation the further water flows the
more potential energy turns into kinetic energy which increases the speed of the blades (or
in this case the cup-shaped).
Morelli Sarah 4^a Eli

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Nembrotte_How To Make Mini Water Wheel-1.m4v

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Today I have tried to make with few materials a mini water wheel. In my tutorial video I showed the different stages of the construction.

To reproduce a water wheel and its rotation I have used:

·         3 plastic bottles

·        A drinking straw (the turbine)

·        A pen

Other tools: iron blade,iron welder, scissors or utility knife have been used.

A water wheel is a machine for converting the energy of flowing water into useful forms of power, often in a watermill. A water wheel consists of a wheel (usually constructed from wood or metal but I constructed it with plastic bottles), with  some blades forming the driving surface.The force of the water spins the wheel, and it in turn spins the rotor of a larger generator to produce electricity.

Latest observations: I have put a part of my water wheel (the wheel) in a sink and I  have turned on the water: The flow of water has been very powerful and  have turned quickly the wheel producing mechanical energy.

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The mill is a system that uses a source of energy, water or wind, to accomplish various types of work: grind, shatter and press. For this reason it has been used as the main mean of agricultural production for many decades and in modern times   for the production of electricity.

The purpose of this experiment is to analyse the influence that height can exert on the rotation speed of the wheel blades.

Before starting  it is necessary to get some material:

·       2 plastic plates

·       2 egg boxes

·       2 empty cotton reels

·       2 flat sticks

·       A skewer

·       Tape,stapler, scissors and a bowl

First of all, cut the cup-shapes out of the egg boxes with the help of some scissors; staple them on to one plate and then  repete the same step on the other side of the cups with the second plate. Secondly  create a hole in the centre of both sides of the wheel and insert the skewer, at which ends push the cotton reels. Next take a bowl and place on it, two flat sticks and attach  them with some tape, below each reel. Finally the mill is ready and so  proceed to pour water on the blades in order to make it rotate.

The fall of the water is given by the force of gravity and provoque the rotation of the blades. This shows how the mill exploits the transformation of the gravitational potential energy, possessed by a certain mass of water at a certain altitude, in kinetic energy, that in real life, determines the rotation of the axis that drives the other machinery of the structure or the production of electric energy.

Thanks to this experiment, it was possible to notice that the more the source of energy is far from the mill, the stronger the power of water is, determinating in this way the increase of the wheel rotation speed.