Science Fair Proposal: Using Physics to Create a Makeshift Water Tap
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Science Fair Proposal: Using Physics to create a makeshift water tapIntroduction: In this science fair, we decided to do an experiment about making a water station that is can be used in camping. This water station is generally used for washing hands and other uses. It uses force to allow the water station to work. In our experiment, we are going to be testing how the weight on the string affect the flow of the water? This model can also be related to how the wind mill work, by using the force from the wind.Research question:How the weight on the stick affect the flow of the water?Aim:The aim of this experiment is to understand the relationship between the force used and the amount of water flowed out. This will help us understand how does force by simple things can be used for green technology, allowing people to be less dependent on electricity that many of our technology uses today. Picture of the water station:[pic 1]Link to creating the water station:
Material and ApparatusNo.ApparatusQuantityJustification1.water2 littersWater is our dependent variable to find out the relationship between the flow water and force of weights.2.String10 metreThe string is needed to hang the set up on high places, in order for the water to be able to flow out smoothly.3. Plastic water bottle4 (500ml)The plastic bottle is for carrying the sand/ rocks/ beans in the bottles for weights.4.sand/green beans /rocks 200g 400g 600gTo make the model balance properly so that the setup would not collapse.5.Plastic transparent water pipe2 metreTo connect the end of the gallon bottle for the water to flow out. 6.Wooden stick or PVC tube1 metreThe stick is important as it is the support of the water tank with the water in it and it also helps the setup to be balance.7.Beaker1To measure the water that came out from the tube during the min.8.Pail1 or 2To hold water for later measurement by the beaker.9.Gallon bottle1The main material to hold water and the main thing to make the water flow10.Timer/ gadgets1The timer is needed to control the time used to let the water flow in order for the results to be fair. 11.brass fitting1To connect the pipe with the gallon bottle.Methods:Methodology/Procedure: Making the water station modelPrepare all the tools needed.Take a gallon bottle, take out its cover and drill a hole in the middle.Connect the pipe and the brass fitting then join it with the gallon bottle cover.Fill the water into the gallon bottle.Turn the cover to close the gallon bottle then tie the gallon bottle with strings Connect the string to the Performing the experimentFirst, put the pail at the hose where the water would flow.Have one of your team members to time one min, while the other is in position to put on the weight. At the moment of putting the weight on the string, start the timer. Observe the water flowing out of the hose. After one min is finished, take out the pail and use the measuring cup/beaker to measure the amount of water that flowed out. Jot down your results in your tableRepeat steps 1-5 for the other weights and trialsDiagram:Safety Precaution:Be careful where you are walking when you are doing the experiment. Make sure you do not trip over the string, allowing the whole water station to fall on you.When setting up the water station, make sure to have a teammate or an adult supervision around you. Never do this aloneBe careful when setting up the gallon bottle with the other materials into the water station.And most of all be alert on your surroundings. Results/DataThe Amount of Weight200g400g600gTrial 1Amount of water flow( ml ) in 20 sec0sec20sec16secTrial 2Amount of water flow( ml ) in 20 sec0sec19sec14secTrial 3Amount of water flow( ml ) in 20 sec0sec15sec15secAverage 0sec54/3= 18sec45/3= 15sec