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The potential energy stored in the battery can be used to power a cell phone or other device
This very useful in today's society. If you are biking a longer distance your phone may run out of charge. Being able to charge your phone could be vital especially if in an emergency situation.

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¨The disadvantage of a hand-crank flashlight is that you have to turn the crank in order to charge the battery. The longer you plan to use the flashlight, the more energy you need to store and the more cranking you have to do.¨ It works when you turn the hand crank. You don't need batteries for it.

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The hand cranked flashlight is an electric machine that uses muscle power to turn an electric generator and create the current needed to light the LED bulbs.  Cranking the handle rotates the gears inside the flashlight, which then turn the generator rotor.

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"all motion, this up-and-down movement is a form of kinetic energy. An energy-capturing backpack uses that kinetic energy to charge a battery."
It can be useful in socity because everytime it bounce it gets the generater moving so you can charge your phone or something els and could be good if you get lost because you have a charged phone with you.

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It doesn't use energy from batteries and it turns on whenever you need it to . Its pretty efficient and the only downside is you can get tired . Other than that , it works pretty well and gets the job done . "When you turn the crank on a hand-crank flashlight, kinetic energy from your body turns the generator inside the flashlight. That kinetic energy is converted into potential energy and stored in the battery, which can then make the light bulb work. " That shows the exact way that it works .

The disadvantage

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When you wear a backpack, the backpack moves up and down a bit as you walk. Like all motion, this up-and-down movement is a form of kinetic energy. it could be good because the generator would help charge your things

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"An energy-capturing backpack uses that kinetic energy to charge a battery." It is good because if you need to call someone and your phone is dead. You can charge your phone

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¨An energy-capturing backpack uses that kinetic energy to charge a battery. the way that an energy-capturing backpack can work is by hanging the heavy part of the backpack from springs, allowing it to bounce up and down as you walk¨ its good because if you need to charge your phone it charges faster if your walking.

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Hand-crank flashlights are powered by energy from the human body, so they never need new batteries.
That is important because most people think that just a battery will make the flashlight work but in order for THIS flashlight to work we need to turn the crank . Giving it energy

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The longer you plan to use the flashlight, the more energy you need to store and the more cranking you have to do there is also many ways to store the energy.

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The tiles get energy from the human hand and convert it into electrical energy, which powers a light bulb. I think that this is innovative because the heat that is in your body is something that everyone has. You don't need to rely on the sun or anything really but your own body.

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The disadvantage of the hand crank is that you have to turn the hand crank to charge the battery. But the hand crank has other ways to get energy like by bouncing and stretching.

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One way that an energy-capturing backpack can work is by hanging the heavy part of the backpack from springs, allowing it to bounce up and down as you walk. The bouncing turns the wheel of a generator

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"Some energy-capturing bicycles use the potential energy stored in a battery to start a motor that helps turn the wheel and give the rider an extra boost". This is true because if your going up the hill you might be going slow and then down the hill you go fast and you would go so fast if you have a motor to help you.

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When you wear a backpack, the backpack moves up and down a bit as you walk. Like all motion, this up-and-down movement is a form of kinetic energy. This would help get the generator to start so it can start transferring the energy to the other things so it can work.

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"Some energy-capturing bicycles use the potential energy stored in the battery to run a motor that helps turn the wheel and gives the rider an extra boost." the energy capturing bike can store energy and make kinetic energy. to power different things

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having no light at times can be stressful and really hard to do things. say you have a paper due tomorrow and you have no light well you can make light with your own energy and you get free light and electricity.

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Some energy-capturing bicycles use the potential energy stored in the battery to run a motor that helps turn the wheel and gives the rider an extra boost.
And I chose the bike because the boost can give you a quick break from pedaling  the bike.And it makes you go faster

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An energy-capturing knee brace uses the kinetic energy of your moving leg to charge a battery. The knee brace has a generator inside it. You bend your knee with each step, and as you straighten it again, the movement makes the generator spin. The kinetic energy in the spinning generator is converted to electrical energy, then stored in a battery as potential energy. You can use that potential energy to power a cell phone or other device.

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the disadvantage of the hand crank flashlight is that you have to turn the hand crank to charge the battery but then again if it dies you just turn the crank again

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The hand crank flashlight can come in very useful at times because you won't have to replace the batteries because everything you need will be right in your hands and will come in useful at times maybe when it's dark outside when you lose something and it's dark outside it'll be perfect for just that. And say your going on a camping trip, it'll be perfect the hand crank flashlight is energy saving and safer and useful.

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When walking while wearing the backpack, the generator starts to work while you walk its generates energy. after the generator makes the energy it gets transfers to the battery. The potential energy stored in the battery can be used to power a cell phone or other device.

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Um depending you dont need it at all times but i guess it uses energy cause og batteries?

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The Hand Crank Flashlight can be useful because it wont need batteries to be replaced. Also so when you need a flashlight it will be right with you because the things you will need are right with you

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When you wear a backpack, the backpack moves up and down a bit as you walk. Like all motion, this up-and-down movement is a form of kinetic energy. An energy-capturing backpack uses that kinetic energy to charge a battery.

Maybe you need a emergency call but your phone is out of battery if you have the back pack you can charge your phone.

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The Hand Crank Flashlight can very useful because it wouldn't need to replace the batteries.

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When you use the brakes on an energy-capturing bicycle to slow down, the kinetic energy of the spinning wheel is converted to electrical energy and stored in a battery as potential energy. That potential energy could be used to power all kinds of electrical devices. You can use it just if case your phone has low battery, or for an emergency.

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Energy-Capturing Backpack is a back pack that can energy by just moving the backpack when you walk the backpack create energy when you go up and down. Walking produces an up-and-down motion that hikers can use to power small devices like cell phones

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It is used by turning it and energy will go thought it and turn on

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"The knee brace spins the generator when you’re straightening your knee instead of when you’re bending it. That’s because your muscles don’t have to work as hard to straighten your knee as they do to bend it." This can be helpful because you can make energy doing the simplest thing. So when you need to get quick energy this a way to get some.

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One way that an energy-capturing backpack can work is by hanging the heavy part of the backpack from springs, allowing it to bounce up and down as you walk. The bouncing turns the wheel of a generator. When the generator turns, it converts kinetic energy to electrical energy and then stores it in a battery as potential energy.

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The hand crank flashlight is very useful because you dont have to have batteries with you

A quote is "A generator is a machine that stores energy by charging a battery"

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"When you use the brakes on an energy-capturing bicycle to slow down, the kinetic energy of the spinning wheel is converted to electrical energy and stored in a battery as potential energy." I feel like this could be a life saver because if your bike riding in the woods you can use the energy to escape something in the wildlife. 

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"When you use the brakes on an energy-capturing bicycle to slow down, the kinetic energy of the spinning wheel is converted to electrical energy and stored in a battery as potential energy." I feel like this could be a life saver because if your bike riding in the woods you can use the energy to escape something in the wildlife. 

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"the motion of walking powers a generator that charges a battery. You can use the energy in that battery to charge small devices."
The backpack that charges while walking can be very useful because it can make sure you have energy even when you are far away walking in the mountains.

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"Energy-capturing rocking chairs use the motion of rocking to power electronic devices—a lamp attached to the chair or a charger for phones and other electronic devices."
it can be used in power shortages or times when power is just not available all the time.

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" The bouncing turns the wheel of a generator. When the generator turns,it converts kinetic energy to electrical energy and then stores it in a battery as potential energy".
This is useful because now some of the backpacks can help us get energy,and before it didn't help us. So,now it's more useful for us because now we can have energy at any time.

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"A spinning bicycle wheel has lots of kinetic energy. The kinetic energy provided by the rider’s pedaling makes bicycles a good way to capture energy from the human body." so the human body creates energy and the bike captures the that energy to power the battery

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" The knee brace has a generator inside it. You bend your knee with each step, and as you straighten it again, the movement makes the generator spin. The kinetic energy in the spinning generator is converted to electrical energy, then stored in a battery as potential energy." This shows that as you walk the knee brace captures the kinetic energy of that person walking and then saves it in a battery so that person can use it to charge something some day.

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" A generator is a machine that stores energy by charging a battery."

The Hand Crank Flashlight is very helpful because You don't need to have batteries with you .

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¨storing the energy in batteries as potential energy that can be used to power flashlights, cell phones, and other devices.¨ This quote means that the flashlight is useful. Its useful because it holds potential energy which when you want to use the flashlight you can turn it on and then it turns into kinetic energy.

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Cuando llevas una mochila, al caminar la mochila se mueve un poco para arriba y para abajo. Como todo movimiento, este movimiento para arriba y para abajo es una forma de energía cinética

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"When you turn the crank on a hand-crank flashlight, kinetic energy from your body turns the generator inside the flashlight. That kinetic energy is converted into potential energy and stored in the battery, which can then make the light bulb work" This is useful because you will get the energy from your body and you won't have to worrie about running out

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With a hand crank generator you dont have to use batteries or connect a plug to your battery becuase you can use your own energy from you battery to charge the flashlight.

¨You turn a crank on the outside of the flashlight and the crank turns a generator inside the flashlight. A generator is a machine that stores energy by charging a battery. When the generator turns, it converts kinetic energy to electrical energy, which is then stored in a battery as potential energy¨

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The process begins with the kinetic energy your body uses to rock the chair, usually by pushing your foot against the floor. That kinetic energy makes the chair rock back and forth and spins a generator built into the rockers

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When you wear a backpack, the backpack moves up and down a bit as you walk. Like all motion, this up-and-down movement is a form of kinetic energy. An energy-capturing backpack uses that kinetic energy to charge a battery. This is useful because for people who like hiking they can use this and they can charge there phone if it is dying because of the energy it is making from the walking

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When you wear a backpack and start walking it goes up and down which that is kinetic energy because its moving and if you have something in youre backpack like a phone it charges

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kinetic energy is moved to the battery which the battery has potential energy"

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''Most chairs can’t convert energy from the body into electrical energy. However, an energy-capturing rocking chair can! Energy-capturing rocking chairs use the motion of rocking to power electronic devices—a lamp attached to the chair or a charger for phones and other electronic devices. The process begins with the kinetic energy your body uses to rock the chair, usually by pushing your foot against the floor''

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 Elijah                                         the backpack start to generator energy by walking because there is a generator inside that that starts to work by movement. 

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 Elijah                                         the backpack start to generator energy by walking because there is a generator inside that that starts to work by movement. 

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"The process begins with the kinetic energy your body uses to rock the chair, usually by pushing your foot against the floor. That kinetic energy makes the chair rock back and forth and spins a generator built into the rockers (the parts of the chair that rest on the floor)."

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this is used to charge a battery

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¨When you rock an energy-capturing rocking chair, kinetic energy is transferred to a generator on the back of the chair. The generator transfers energy to a battery. Energy from the battery can be used to power electrical devices.¨ this means that the energy will move to another

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z

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you put your energy in rocking back and forward

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"Generator built into the rockers "
The people that are rocking the chair back and forth create energy by phushing themselves forward and backward.

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The longer you plan to use the flashlight, the more energy you need to store and the more cranking you have to do there is also many ways to store the energy

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The potential energy stored in the battery can be used right away or saved for later. The energy that powers the light comes from the battery—but before that, it came from you. When you use a hand-crank flashlight, you are using your body’s energy to power a light!. And your also making your own energy generator by hand.

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The Hand Crank Flashlight is a more innovative creation. "The potential energy stored in the battery can be used right away or saved for later." Because of this we shouldn't need to use other resources.

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¨When you wear a backpack, the backpack moves up and down a bit as you walk. Like all motion, this up-and-down movement is a form of kinetic energy. An energy-capturing backpack uses that kinetic energy to charge a battery.¨ I think this is useful because all you have to do mostly is just move up and down with the backpack and that will be able to charge stuff.

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"When you wear a backpack, the backpack moves up and down a bit as you walk. Like all motion, this up-and-down movement is a form of kinetic energy. An energy-capturing backpack uses that kinetic energy to charge a battery"

When people walk the back pack moves up and down a little like a roller coaster so it picks up kinetic energy

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hand crank turns on the generator in the flashlight when the generator turns converts kinetic energy to electrical energy wich is stored in the battery as potential energy

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 A generator is a machine that stores energy by charging a battery

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You turn a crank on the outside of the flashlight and the crank turns a generator inside the flashlight. The hand crank stores energy by so later in your day or in a emergency you could use the hand crank and then you could charge a battery or your phone or a flashlight.

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you can sleep on it and rock on it and just chill on it

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"A generator is a machine that stores energy by charging a battery"

everyone has a flashlight but they need batteries. but with this flashlight u can use your own power/energy and crank a little lever and energy/light will come out.

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"The knee brace spins the generator when you’re straightening your knee instead of when you’re bending it. That’s because your muscles don’t have to work as hard to straighten your knee as they do to bend it. This makes the knee brace easier to use—you don’t have to work very hard to spin the generator." this can be helpful because energy can help us even when we are injured. This tells me that this is the most innovative.

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When you wear this back pack, and it moves up and down it stores energy in it. The energy stored in it is helpful if you need to charge something. It is also very helpful because the backpack can hold thing so it can hold thing and charge things at the same time.

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Hand crank: Hand crank is the most innovative because it´s really useful & you can store as much energy as you want because all you need to do is keep cranking & cranking until you get tired & in the writing it says ¨You turn a crank on the outside of the flashlight and the crank turns a generator inside the flashlight. A generator is a machine that stores energy by charging a battery¨

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A generator is a machine that stores energy by charging a battery. When the generator turns, it converts kinetic energy to electrical energy, which is then stored in a battery as potential energy.

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Some energy-capturing bicycles use the potential energy stored in the battery to run a motor that helps turn the wheel and gives the rider an extra boost.

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When you wear a backpack, the backpack moves up and down a bit as you walk. The energy goes thru your backpack so when you move it's kind of like it's moving with you.

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That potential energy could be used to power all kinds of electrical devices.

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The energy capturing bike is the most innovative because when people ride bikes the wheel goes really fast so it would be able to get a lot of energy in a short amount of time."A spinning bicycle wheel has lots of kinetic energy. The kinetic energy provided by the rider’s pedaling makes bicycles a good way to capture energy from the human body. When you use the brakes on an energy-capturing bicycle to slow down, the kinetic energy of the spinning wheel is converted to electrical energy and stored in a battery as potential energy. That potential energy could be used to power all kinds of electrical devices"

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"When you wear a backpack, the backpack moves up and down a bit as you walk." This is a form of kinetic energy and a generator in the backpack can convert it to electrical energy to power small devices such as cellphone's. This is very helpful, especially when traveling because if you get lost somewhere you need your phone to work to get help. This is a good way to make sure that it does not run out of power. This argument shows that this invention is innovative.

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The generator is a machine that can store energy. And can charge lots of stuff like a battery. Since it can charge the battery and it has potential energy. You can give that to the Hand crank. and when you crank it the kinetic energy comes and it turns on.

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I say this one becuase you can still get exersie and use your phone.

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"Like all motion, this up-and-down movement is a form of kinetic energy. An energy-capturing backpack uses that kinetic energy to charge a battery." The energy capturing backpack is useful in case of an emergency if your phone is out of battery, the backpack can power up a cell phone or other devices.

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The hand crank flashlight is the most innovative you don't have to keep on replacing batteries, because to turn the flashlight you just turn the crank and then the crank turns a generator in the flashlight."You turn a crank on the outside of the flashlight and the crank turns a generator inside the flashlight. A generator is a machine that stores energy by charging a battery. When the generator turns, it converts kinetic energy to electrical energy, which is then stored in a battery as potential energy. The potential energy stored in the battery can be used right away or saved for later."

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An energy-capturing backpack uses that kinetic energy to charge a battery. its useful if your phone is dead

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when you use the hand crank it turns the generator in the flashlight,  and the more you keep using energy for the crank the more energy the flashlight has that would not need batteries. That way The Flashlight You can also crank outside of the flashlight and the crank turns the generator into the flashlight.

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The energy that stored which is called potential it could be used to power a device, This is good because nowadays devices are really important .

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I think that the flashlight is the best because you wouldn't need any batterys for it. You would just have to run the crank to get light. That would be a good thing for the rescue workers because they will need to be able to see to save someone. With out the crank and they run out batterys they would be left in the dark. When all they would need to do is turn the crank and the flashlight works. Thats why I think the handcrank flashlight is the best.

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I feel like the energy capturing bike is really innovative because it can help people that are lost with 0 battery charge can charge there phone and call someone if in a harmful situation .

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A hand crank flashlight is something you could transfer your kinetic energy to electrical and mechanic energy, when you transfer your energy the hand crank turns on and it makes the light turn on