1. Energy is always changing: types of energy transfers | MightyOwl Science | 4th Grade
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What does it mean for #energy to be transferred? How does energy go from the sun to powering a house? We answer these questions and many more in this video, join us as we explore how energy is transferred in different ways and how we use that energy in our everyday lives. See you in the video mighty scientists!
Key words: energy, #EnergyTransfer, #SolarEnergy, #SolarCell, #WindTurbine, motion energy
Aligned with Next Generation Science Standards
Energy
4-PS3-2: Make observations to provide evidence that energy can be transferred from place to place by sound, light, heat, and electric currents.
2. Energy Transformations
#energy #transformation #science #ngscience
In what ways can energy be converted from one form to another? Let's take a look.
Head to NGScience for related worksheets and other resources on energy for use in the classroom and at home.
Energy is all around us. We can't see energy, but we can see the things that energy does. Energy makes things move. It powers the machines we use. It can make things get hotter or produce sound. Energy is used to light up our homes and cities and power the vehicles we use. Plants and other organisms need energy to live, grow and carry out life processes.
Energy cannot be created...nor can it be destroyed. But it can be changed ... or transformed... from one form to another and we can observe this happening around us every day.
Let's take a look at some examples. As each video plays, write down the energy transformations you think are taking place. We'll go through each example at the end so you can check your answers. Let's go.
1. What energy transformation takes place when a ukulele is strummed?
2. What energy transformation takes place when a light bulb is switched on?
3. What transformation takes place when a match is struck?
4. What transformation takes place when a drawn bow and arrow is released?
5. What transformation takes place when an electric kettle is switched on?
6. What energy transformation takes place when a roller coaster rolls down the track?
7. What transformation takes place when an electric doorbell is pressed?
8. What energy transformation takes place when drill is used to secure a screw into wood?
How'd you go...let's take another look.
When a ukulele is strummed, kinetic energy is transformed into sound energy.
When a light bulb is switched on, electrical energy is transformed into light and heat.
When a match is struck, kinetic energy and chemical energy is transformed into light and heat.
Ehen a drawn bow and arrow is released elastic potential energy is converted into electrical energy.
When an electric kettle is switched on, electrical energy is transformed into heat.
When a roller coaster rolls down the track, gravitational potential energy is transformed into kinetic energy.
When an electric doorbell is pressed electrical energy in transformed into kinetic energy and sound.
When drill is used to secure a screw into wood, electrical energy is transformed into kinetic energy.
Take note that in many of the examples provided, heat and sound are also often produced.
3. Energy Transfer
048 - Energy Transfer
In this video Paul Andersen explains how energy can be transferred from one system to another. In a closed system the energy can be transferred as either work or heat. Thermal energy transfer is know as energy transfer through heat. During energy transfer the energy of the entire system is conserved.
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All of the images are licensed under creative commons and public domain licensing:
"Energy Forms and Changes." PhET. Accessed November 27, 2013. phet.colorado.edu/en/simulation/energy-forms-and-changes.
"File:4StrokeEngine Ortho 3D Small.gif." Wikipedia, the Free Encyclopedia. Accessed November 27, 2013. en.wikipedia.org/wiki/File:4StrokeEngine_Ortho_3D_Small.gif.
M0tty. Français : Allumettes En Pyramide. Configuration de Départ D'une Partie de Jeu de Marienbad, October 14, 2011. Own work. commons.wikimedia.org/wiki/File:Pyramidal_matches.svg.
4. Single-molecule FRET Imaging at St. Jude
In the Single-Molecule Imaging Center at St. Jude Children’s Research Hospital, scientists engineer and employ bright fluorescent probes to investigate individual molecules and their interactions. To obtain accurate images, highly advanced, custom-built microscopes are used. Multiple lasers are co-aligned and then focused by a series of high-power lenses and other specialized optics, to a very small volume, where one molecule at a time can be observed.
This approach, called single-molecule FRET (fluorescence resonance energy transfer) imaging, allows scientists to track the movements of each part of functioning single molecules in real time. Characteristic features of the FRET signals originating from individual molecules can reveal both how they correctly function and how they malfunction. Discoveries could lead to new treatment options and more effective clinical care for patients.
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5. The moment you touch someone, there is an energy transfer | Sadhguru on Handshakes
Sadhguru on Handshakes.
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6. DIY Wireless Energy Transfer System
Project file on Free Circuit Editor: easyeda.com/GreatScott/IR2113_H_Bridge-09ef385286f74867988316035c669a17
Project file on Free Circuit Editor: easyeda.com/editor#id=233142f5526243bcaf6d2870710b041f
Previous video: youtu.be/fLaexx-NMj8
Previous Wireless Energy Transfer video: youtu.be/ExU32UyGX6w
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Project information (schematic, pictures, ....) on Instructables: instructables.com/id/DIY-Wireless-Energy-Transfer-System/
Würth Elektronik Article: we-online.com/web/de/index.php/download/media/07_electronic_components/download_center_1/application_notes_berichte/kabellose_energieuebertragung/Spulen_fuer_die_kabellose_Energieuebertragung.pdf
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Parts list: (see Instructables article for Amazon.de links, affiliate links)
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4x IRLZ44N MOSFET: s.click.aliexpress.com/e/_dWhSrDl
2x IR2113 MOSFET Driver IC: s.click.aliexpress.com/e/_dYnDAx0
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1x 10k Trimmer: s.click.aliexpress.com/e/_dTFyPv5
Ebay:
4x IRLZ44N MOSFET: rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=261074291323&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
2x IR2113 MOSFET Driver IC: rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=191509157025&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
1x Resistor Kit: rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=271598211084&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
1x Capacitor Kit: rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=221372015123&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
1x Electrolytic Capacitor Kit: rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=401206644592&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
2x UF4007 Diode: rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=390221404783&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
3x Screw Terminal: rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=181846953484&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
1x 7805 Voltage regulator: rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=301723629766&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
1x TLC555 IC: rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=170881262435&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
1x 74HC4049 IC: rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=122111180187&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
1x 10k Trimmer: rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575101368&toolid=10001&campid=5337582279&customid=&icep_item=191547047312&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
In this project I will show you how to create an appropriate coil and an inverter circuit for a wireless energy transfer system that can easily transfer a power of 20W.
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7. ENERGY TRANSFORMATIONS
Energy is the ability to do work. Energy can't be either created or destroyed, it just change from one form into another form. This change is called Energy Transformation.
*sorry there's a mistake (typo) in the video. Energy can't either be created nor destroyed but only change from ONE form into another form.
Group project
7 Micah (2016/2017)
Anastasia S. S. /3
Jordan Timothy R./13
Nathaniel Pieter A./16
Bryan Hamdoyo/6
8. How TO See Your Aura .The Color Of Your Body's Energy. Very EASY Method !
This video will show you How you can see your own aura. How you can see your own body's energy. This is a very simple method that anybody can do to see your aura.
By focusing your look between two fingers in a one color background try to see at the center of that space and see the corners of you finger like a wave heat when you see when you drive a car. Your aura might have different color. Try this practice a couple of times and pretty sure you will be able to see it.
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9. TYPES OF ENERGY | Physics Animation
Hello, Learners! This is EarthPen. Today, we are going to talk about another fun topic in Physics. It is all about the types of energy.
Energy can be categorized into two broad topics; kinetic energy and potential energy. These two are the basic forms of energy. And we know that kinetic energy is the energy of moving objects while potential energy is energy that is stored. But aside from these two energies, there are also other types of energy. This includes thermal energy, radiant energy, light energy, chemical energy, nuclear energy, electrical energy, gravitational energy, and mechanical energy.
Let us discuss them one by one.
The first type of energy that we’re going to discuss is thermal energy. Thermal energy or also called heat energy is produced when there is a rise in temperature that causes atoms and molecules to move faster and collide with each other.
But how is thermal energy produced? Thermal energy is the energy that comes from the heated up substance which means that the hotter the substance, the more its particles move, and the higher its thermal energy.
To better understand this, let us have an example. Say you have a hot pot. You forgot that the pot is hot so you grabbed it with your hand. Now, your hand is burnt because of the hot pot. The thermal energy from the hot pot is being transferred to your hand that is why you felt the burn in your hands. So, better be careful when dealing with hot things.
The next type of energy that we’re going to discuss is radiant energy.
What is radiant energy? Radiant energy is a form of electromagnetic energy. This type of energy can take the form of visible waves, which is what we call light energy. But we’ll be talking about light energy later.
The sun produces a lot of radiant energy which is transmitted to Earth as light. Radiant energy that is transmitted by electromagnetic waves can come in different forms. Some examples of radiant energy are from the sunshine, x-rays, and radiant heating systems.
Watch the video to find out more.
#TypesOfEnergy #Physics #EducationalVideo
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10. Transfer of energy - Science Project with explanation
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11. AQA GCSE Science Revision Physics Energy Transfer by Appliances
This video is based on the AQA GCSE specification. If you are following a different exam board, then I recommend that you check your specification. Find my revision workbooks here: freesciencelessons.co.uk/workbooks
In this video, we look at how appliances transfer electrical energy into other forms such as thermal energy or kinetic energy. We then explore what is meant by the power rating for an appliance.
Image credits: creativecommons.org/licenses/by/2.0/uk/
Student studying: Gnarlycraig
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Washing machine LG전자
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All other images Shaun Donnelly
12. Jörg Enderlein - Metal-Indced Energy Transfer Imaging
This talk was part of the of the online workshop on "Tomographic Reconstructions and their Startling Applications" held March 15 - 25, 2021.
Metal-Induced Energy Transfer (MIET) Imaging is a recently developed method [1] that allows for nanometer resolution along the optical axis. It is based on the fact that, when placing a fluorescent molecule close to a metal, its fluorescence properties change dramatically, due to electromagnetic coupling of its excited state to surface plasmons in the metal. This is very similar to Förster Resonance Energy Transfer (FRET) where the fluorescence properties of a donor are changed by the proximity of an acceptor that can resonantly absorb energy emitted by the donor. In particular, one observes a strongly modified lifetime of its excited state. This coupling between an excited emitter and a metal film is strongly dependent on the emitter’s distance from the metal. We have used this effect for mapping the basal membrane of live cells with an axial accuracy of ~3 nm. The method is easy to implement and does not require any change to a conventional fluorescence lifetime microscope; it can be applied to any biological system of interest, and is compatible with most other super-resolution microscopy techniques that enhance the lateral resolution of imaging [2-4]. Moreover, it is even applicable to localizing individual molecules [5-6], thus offering the prospect of three-dimensional single-molecule localization microscopy with nanometer isotropic resolution for structural biology. I will also present latest developments of MIET where we use a single layer of graphene instead of a metal film that allows for increasing the spatial resolution down to few Ångströms [7].
References
1. Chizhik, A. I., Rother, J., Gregor, I., Janshoff, A., & Enderlein, J. (2014). Nature Photonics 8:124-127.
2. Baronsky, T., Ruhlandt, D., Brückner, B. R., Schäfer, J., Karedla, N., Isbaner, S., ... & Chizhik, A. I. (2017). Nano Lett. 17:3320-3326.
3. Chizhik, A. M., Ruhlandt, D., Pfaff, J., Karedla, N., Chizhik, A. I., Gregor, I., ... & Enderlein, J. (2017). ACS Nano 11:11839-11846.
4. Chizhik, A. M., Wollnik, C., Ruhlandt, D., Karedla, N., Chizhik, A. I., Hauke, L., ... & Rehfeldt, F. (2018). Mol. Biol. Cell 29:846-851.
5. Karedla, N., Chizhik, A. I., Gregor, I., Chizhik, A. M., Schulz, O., & Enderlein, J. (2014). ChemPhysChem 15:705-711.
6. Isbaner, S., Karedla, N., Kaminska, I., Ruhlandt, D., Raab, M., Bohlen, J., ... & Tsukanov, R. (2018). Nano Lett. 18:2616-2622.
7. Ghosh, A., Sharma, A., Chizhik, A. I., Isbaner, S., Ruhlandt, D., Tsukanov, R., Gregor, I., Karedla, N., & Enderlein, J. (2019). Nature Photonics 13:860-865.
13. Science from Home: Two Ball Energy Transfer
Watch as Librarian Molly shares this experiment that demonstrates the transfer of energy between two objects. All you need are two balls to try this experiment out yourself!
SUPPLIES
– 2 balls off different sizes that bounce
Note: A basketball and a tennis ball are ideal for this experiment. However, as long as both balls bounce and are different sizes, the experiment should work.
ABOUT THIS PROGRAM
Science from Home is a video project that Librarian Molly created so kids and caregivers can follow along with fun science experiments every week. The experiments in this series are loosely based on science standards for grade 4 for the state of Washington, and the explanations are geared toward that age group.
However, kids of all ages and families can enjoy these fun experiments and hopefully learn something new! Some of the main themes include energy, waves, Earth, organisms, and humans.
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14. Energy Transformations | Physics
This video is about Energy Transformation in Physics.
Q: What is Energy transformations?
Ans: Energy transformation means the changing of energy from one form to another form. One can say that energy is changed or transformed from one form to another form, this form changing phenomenon is known as energy transformation.
For example, when you eat food or fruits, you get energy. The food or fruits contain chemical energy, when you digest this food or fruits, you convert the chemical energy int he food into the useful forms of energy like kinetics energy, potential energy, sound energy and heat energy.
Similarly, when you put fuel in the car, the chemical energy of the fuel is converted into kinetic energy by the car.
#EnergyTransformations
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