Reflections for 3 Diligence by victor https://padlet.com/vicpan72/vir8lfo9pjrv Made with fortitude en-us 2017-09-21 23:19:03 UTC 2017-10-02 12:06:17 UTC hello@padlet.com Reflection questions vicpan72 https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191480544 1) List 3 things you've learnt in video 1.
2) From video 2, write down 2 interesting things you've learn about the Maglev trains.
3) What is your favourite experiment in video 3? Tell us why.
4) (Optional) What other interesting things do you know about magnets? Share 1 fact if you have read/researched about.]]> 2017-09-26 22:31:35 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191480544 kayla on https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191892243 1 i learn that like poles repel and unlike poles attract each other.magnets attract copper nickel and steel
2 they are very fast and long
3 it is follow that force because where ever the bar magnet go the ring magnet will follow

]]> 2017-09-27 22:35:29 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191892243 Elisha Lee https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191903919 1. I learnt that North and North poles[like poles] repel and If I put South and North poles[unlike poles] attract to each other.
2. I learnt that Maglev trains float on the tracks and it can go up to 580 km!
3. My favourite experiment was when the ring magnet follows the bar magnet.

]]> 2017-09-28 00:38:12 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191903919 Ashton Tan https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191906828 1. I learnt that the earth is magnetic and like poles repel and unlike poles attract and magnets also attract some types of metal.
 2. I Iearnt that the maglev train is faster than sports cars!
3. my favourite experiment was when the ring magnet followed the 3 bar magnets.                                                                        ]]> 2017-09-28 01:06:02 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191906828 Lee Cheok Kan https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191911512 (1) I have learnt that magnets attract each other when it is broken into half.
(2)I have learnt that Maglev trains are fast and can go up to 580 km per hour!
(3)My favourite part is that the ring magnet can dance.
(4)A magnet loses its magnetism when being heated, dropped or hammered.

]]> 2017-09-28 01:42:49 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191911512 Gerald low https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191912502 1.earth has a north pole and south pole
2.The maglev  trian is one of the fastest trains on earth
3.my favourite experiment is when the bar magnet made the ring magnet shake ]]> 2017-09-28 01:51:43 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191912502 [LYZ] Lee Yi Zhong https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191912917 (1) I have learnt that magnets only attract some materials such as nickel, cobalt and iron. And a freely suspended magnet will always come to a rest in a north - south direction.                                               (2) I have learnt that Maglev trains go at 580km/h and it uses repelling force from the like poles of the electromagnet.    (3) My favorite part is the part where the magnet can dance because its very thrilling. (4) Magnets attract each other because they exchange photons, or the particles that make up light. But unlike the photons streaming out of a desk lamp or reflecting off of everything you see around you, these photons are virtual, and your eyes (or any particle detector) can't "see" them. They can, however, exchange momentum, and this is why they stick to things or repel them. When a kid throws a dodge ball, they're exchanging momentum with the ball, and the thrower feels a slight push back. Meanwhile the target person feels the force of the ball, and (maybe) gets knocked over — they are "repelled" from the thrower. With photons, the process can also happen in reverse, as though one kid reached out and grabbed the ball while the other was still hanging on to it, which would look like an attractive force.
 Photons are the force carriers not only for magnets but also for electrostatic phenomena like static electricity, and it's why electromagnetism is the term we use for effects produced by these phenomena – including light, which is an electromagnetic wave.
3. Magnetism is relativistic whenever you turn on an electromagnet and stick it to a fridge, you are demonstrating relativity. Why? According to the theory of special relativity, the distance along the direction of motion gets shorter — that is, a fast-moving car would look squished, even though the person in the car wouldn't notice. That person would see everything around him or her as squished in the direction in which the individual was traveling.
 This has consequences for charged particles in wires. Ordinarily, the negatively charged electrons and positively charged protons in a wire cancel each other out. But when current moves through a wire, the electrons are moving. From the point of view of any stationary charged particle outside the wire, the distance between electrons gets smaller. That means it looks like there are more electrons than protons in a given space — all of a sudden there's a net negative charge. Put any positively charged particle (or wire) next to the wire with current in it, and you feel a magnetic force of attraction. Put a negatively charged particle near it and it will repel — and this is why if you run the current in opposite directions through two wires, they will attract each other, and if the current is running in the same direction, they will repel.
 A similar thing happens when a charged particle moves through a magnetic field, say, near a (permanent) bar magnet . The particle experiences force. But according to the theory of relativity, you can't say that the particle is moving and the magnet isn't. From the point of view of the particle, the bar magnet is moving. Maxwell's equations, which describe electromagnetic waves and forces, show that you'd see different forces, depending on which reference frame you choose. For a stationary observer it looks like a magnetic force pushing or pulling on the particle, and for a moving one it's an electrostatic force. This problem was a major piece of Einstein's development of special relativity, which accounted for the discrepancy.
4. The world's most powerful magnets
]]> 2017-09-28 01:55:09 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191912917 Caleb Han https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191913626 (1) I learnt that wood or cloth will not get attracted to magnets. Iron, cobalt and nickel get attracted to magnets. When we hang a magnet freely suspended in air,it will rest in the North South direction.
(2) They can travel at a very high speed at 580 km per hour. It uses magnetic levitation to move.
(3) My favorite in video 3 is about jitters because it looks like a grandfather' clock.
(4) There is an invisible magnetic field running from north to south poles attracting the magnetic objects.]]> 2017-09-28 02:01:07 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191913626 [LYZ] https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191917923 2. Magnetism is light. Magnets attract each other because they exchange photons, or the particles that make up light. But unlike the photons streaming out of a desk lamp or reflecting off of everything you see around you, these photons are virtual, and your eyes (or any particle detector) can't "see" them. They can, however, exchange momentum, and this is why they stick to things or repel them. When a kid throws a dodge ball, they're exchanging momentum with the ball, and the thrower feels a slight push back. Meanwhile the target person feels the force of the ball, and (maybe) gets knocked over — they are "repelled" from the thrower. With photons, the process can also happen in reverse, as though one kid reached out and grabbed the ball while the other was still hanging on to it, which would look like an attractive force.
Photons are the force carriers not only for magnets but also for electrostatic phenomena like static electricity, and it's why electromagnetism is the term we use for effects produced by these phenomena – including light, which is an electromagnetic wave.
3. Magnetism is relativistic: That's right — whenever you turn on an electromagnet and stick it to a fridge, you are demonstrating relativity. Why? According to the theory of special relativity, the distance along the direction of motion gets shorter — that is, a fast-moving car would look squished, even though the person in the car wouldn't notice. That person would see everything around him or her as squished in the direction in which the individual was traveling.
This has consequences for charged particles in wires. Ordinarily, the negatively charged electrons and positively charged protons in a wire cancel each other out. But when current moves through a wire, the electrons are moving. From the point of view of any stationary charged particle outside the wire, the distance between electrons gets smaller. That means it looks like there are more electrons than protons in a given space — all of a sudden there's a net negative charge. Put any positively charged particle (or wire) next to the wire with current in it, and you feel a magnetic force of attraction. Put a negatively charged particle near it and it will repel — and this is why if you run the current in opposite directions through two wires, they will attract each other, and if the current is running in the same direction, they will repel.
A similar thing happens when a charged particle moves through a magnetic field, say, near a (permanent) bar magnet . The particle experiences force. But according to the theory of relativity, you can't say that the particle is moving and the magnet isn't. From the point of view of the particle, the bar magnet is moving. Maxwell's equations, which describe electromagnetic waves and forces, show that you'd see different forces, depending on which reference frame you choose. For a stationary observer it looks like a magnetic force pushing or pulling on the particle, and for a moving one it's an electrostatic force. This problem was a major piece of Einstein's development of special relativity, which accounted for the discrepancy.
4. The world's most powerful magnets: The two biggest magnets reside at Los Alamos National Laboratory in New Mexico and Florida State University (FSU). The two sister laboratories have magnets that can reach 100 and 45 tesla, respectively.  By comparison, junkyard magnets — the ones that lift cars — are about 2 tesla.]]> 2017-09-28 02:33:31 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191917923 Zo Renee Tan https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191922270 1) I have learnt that a very strong magnet can attract any magnetig object underwater ]]> 2017-09-28 03:15:25 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191922270 Amber Chan https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191922306 1. Magnetism is an amazing force that can't be seen. A magnet can attract, or pull, certain types of magnetic objects. It won't attract any objects that are non magnetic, unless you make them into temporary magnets.
2. From video 2, I learnt that Maglev Trains that are made in Japan use like poles to levitate, but the Maglev trains in Germany use unlike poles to levitate.
3. My favorite experiment in video 3 is the experiment they called ''Invisible dance partner'', when they used two magnets, one tied to a string and the other one used to make the tied up one dance. I find it very funny and interesting.
4. There are magnets in many of the things we use every day, without knowing they are there. Magnetic clasps keep purses and camera cases closed. Magnetic strips keep cabinet doors from swinging open. Magnets are also used to produce electricity, so without them our televisions, computers, phones, and other machines would not work. Motors use magnets to make them work, so there are magnets in most machines that move, such as fans, food mixers and electric toothbrushes. Forces that are used to push or pull objects must usually touch the material that are moving. When you want to pull a book toward you across a table, you make physical contact with it. Magnetism is a non-contact force. A magnetic material does not need to touch an object to apply its power. Magnets produce a magnetic force that can be applied through air, water, and even some solid materials, such as paper and plastic. ]]> 2017-09-28 03:15:51 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191922306 Maxston Leong https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191923949 1 I have learnt from video 1 that even if you break the magnet into half, it will still attract each other and mnakes two magnet
2 i have learnt that the maglev train goes at 580km/hour and is the fastest rain in the world
3 my favourite part is that the ring followed the 3 bar magnets




]]> 2017-09-28 03:33:13 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191923949 Gisele Zhang https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191925234 Video 1:
I learnt that even if you break a magnet apart, it still would have its own north and South Pole.
Video 2: 
I learnt that the maglev train has two magnets,one on the train,the other on the tracks.They are like poles facing each other, making it levitate.
Video 3:
I learnt you could play magnets in different types of ways,with just two magnets.
]]> 2017-09-28 03:45:07 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191925234 chloe thng https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191926282 Video 1:I learnt that if I use a very strong magnet underwater,it will attract magnetic things.

Video 2:I learnt that a magnetic train can travel faster than a normal train.]]> 2017-09-28 03:57:22 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191926282 jonathan https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191926839 i learnt that if magnets are very strong , they can even attract magnetic objects even under water. i also leart that if we use electro magnets to switch of on and off fast enough with a magnetic object, we can defy gravity and the magnetic object can float.]]> 2017-09-28 04:03:13 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191926839 Chloe thng https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191926987 Video 3: I like the "follow that force"trick as the magnet is like trying very hard to touch the string but can't as it is being held back by the string.]]> 2017-09-28 04:04:47 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191926987 Kayla Teo https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191928378 1. I learnt that magnets are very important in our daily life and I also learnt that magnets can only attract some magnetic materials such as Nickel, Cobalt and Iron. I also learnt that the earth acts like a big magnet.                                           2. I learnt that the Maglev train moves 580 km per hour and it was the fastest passenger service.                                            3. My favourite experiment is The Indecisive Magnet as it keeps on swinging to the place where the magnet is.]]> 2017-09-28 04:18:28 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191928378 Cabella Ang https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191929221 I have learned that magnegs]]> 2017-09-28 04:28:24 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191929221 Tricia Lee https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191929658 1.
I learnt that when we put two magnets next to each other with the same poles, it will not attract.[ repel ] But when we turn one of the magnets the other way, they will eventually meet each other.[ attract ]

2.
I learnt that a Maglev train can float on the tracks and can travel at a very high speed.[ 580Km ]

3.
My favourite experiment was that the ring magnet followed the three bar magnets and it was very cool and awesome .

4.
I learnt that when a stroked magnet  can only last for awhile as the magnetism inside it will be gone after using it .


]]> 2017-09-28 04:34:24 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191929658 Ng Heng Yee https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191930065 Video 1:
I learnt that magnets repel  when like poles are put together.
Video 2:
Maglev trains can float a little in the air because of magnets.[10 mm] That is because the magnets are repelling .
Video 3:
The Indecive Magnet is my favourite trick. It keeps swinging around to the magnets!]]> 2017-09-28 04:39:40 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191930065 Asher toy https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191931974  1. I learnt that the earth is like a magnet that has a magnetic field around it. i also learnt that even if you break a magnet into half, it will still atract each other. I also learnt that some metals are non magnetic such as gold and copper
2. I learnt  that the Maglev train is the fastest train in the whole world. It  can travel at a speed of 580km. I also learnt that it only takes 3 hours and 30 minutes to Tokyo from Londen.
3.I learnt how to do awsome tricks with magnets. Over all, I like the invisible dance partner trick the most as they tied one magnet to a string and the other magnet used to make the tied up magnet dance.]]> 2017-09-28 05:01:45 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191931974 ZAchary yan https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191935852 Video 1
Magnets will repel if like poles are facing each other.
Video 2 
I learnt that the maglev train can float 10 mm of the track making it very fast. It can also travel 580 km 
per hour.
Video 3 
I like the follow that force trick as it is hard to touch the magnet but it cannot because of the string. So, it has to follow the magnet



]]> 2017-09-28 05:42:57 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191935852 Damien https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191940324 1.I learnt that if you break a magnet into half, it will still have its magnetic field. I also learnt magnets can either attract or repel each other.
2.I learnt that the maglev floats 10mm above the tracks and can travel at 580km/h

]]> 2017-09-28 06:19:41 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191940324 Vanessa https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191951550 Video 1 : I learnt that like poles repel each other and unlike poles attract each other. Non magnetic objects will remain in the same position when placed under or beside a magnet and magnetic objects will get attracted by the magnet when we place it under or beside a magnet. If we break a magnet, the magnet will not lose its magnetism, but it will give you 2 new magnets. Cool!
Video 2 : 
This video taught me about the maglev train. The maglev train is a magnetic train, and also one of the fastest trains in the world. It travels off the train tracks and travels 580km an hour. If we had a maglev train in Singapore, it would be awesome!
Video 3 :
This video is my favourite  video. This video shows us many tricks to do with magnets. My favourite experiment was the invisible dance partner. It was very interesting and funny. I hope I have all the materials so I can do that experiment. It is so hilarious! Ha! Ha! Ha!
Interesting facts :
In the past ,people thought that garlic affected how the compass needle turns.  Sir William Gilbert( 1554 - 1603), a doctor and scientist and a
  scientist carried out an experiment on lodestones and concluded that the earth is like a giant magnet. The earth has a magnetic North pole and South pole. Thanks to him, we now know why the compass needle points in the North - South direction. 

]]> 2017-09-28 07:11:09 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191951550 Eunice Tan https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191962947 VideoIt  1:
 I  learnt that if you break a magnet in half,  it will still have its poles .{North pole South pole} It will also become two magnets on its own.
Video 2 :
I learnt that  the Maglev train is floating on the tracks because the magnets are repelling.
Video 3 :
I learnt that if there is a distance in the magnet and they are unlike poles, they will still attract.

]]> 2017-09-28 08:01:17 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191962947 Keen https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191963130 I learnt that Like poles of a magnet will repel each other

]]> 2017-09-28 08:02:19 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191963130 Lee Jun Yi https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191965005 1. I have learnt that if I break a magnet into two different pieces, they still can attract each other. Earth is a giant magnet. Some metals like iron and steel can be attracted to magnets.   
  2. I learnt that the Maglev train is the fastest train in the world. It's fastest speed is 580km per hour.  It can float 10mm above the railway track.
3. My favourite trick is the invisible dance partner.I like it as the magnet keeps on spinning like crazy all the time.]]> 2017-09-28 08:11:20 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191965005 Asher Ng https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191983059 I learn that the more time you turn the wire around the nail the stronger the electromagnet would be.
 
 
 ]]> 2017-09-28 09:24:25 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191983059 Dimitros Lim Yi Sheng https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191994062 1. I learnt that magnets attract magnetic materials and it does not attract non-magnetic objects.
2. I learnt that Maglev Trains use magnets to move and its crazy cool.
3. It was so cool when the magnet was moving around crazily. 
4. I have got a great idea. We can go metal fishing.
]]> 2017-09-28 10:15:25 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/191994062 michikogoh08 https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192029228 1.I learnt that if I put unlike poles together they will attract each other and  if I put like magnets together  they will repel.

2.The Maglev is one of the fastest trains in the world and it is very long.
3.My favourite experiment is when the ring magnet follows the bar magnet.It's so awesome!]]> 2017-09-28 12:28:52 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192029228 Ethan Ang https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192054853 1. I have learnt that if you keep a magnet freely suspended it will point in the north-south direction.

2. I have learnt that if you are able to press the button fast enough you can get your object to hover in the air.

3. My favorite experiment in video 3 is  the invisible dancing partner. Because it can dance like a real dancer with a partner when there is nothing.
]]> 2017-09-28 13:21:34 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192054853 https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192066169 2017-09-28 13:41:40 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192066169 https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192066183 2017-09-28 13:41:42 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192066183 DILLON LEE https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192067031 1.I learnt that if you break a magnet in half it can still attract and repel other magnets.
2. I learnt that the train floats on the tracks because the tracks are repelling the train.
3. I learnt that if you put the battery's energy into non natural magnets they can attract magnetic objects.]]> 2017-09-28 13:43:11 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192067031 Isaac Tan https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192081179 1.I learnt that when like poles meet, they will repel. i learnt that when unlike poles meet they will atract each other.I learnt that in water, unlike poles can still attract each other.
2.The intresting part of the maglev train that i learnt was that magnets can reduce friction and the railway needs to be energised in order to work.3.The most intresting  part about that video was the experiment that there were three magnets  attracting and repelling each other. I think it is itnresting because i could invent a swing that reacts like  this.4. I know a trick where you could put a magnet above skiney table, i would add another magnet at hte bottom of the table and th magnet would dance.]]> 2017-09-28 14:06:35 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192081179 Victoria Kate Lee Hui Xin https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192432954 3 Diligence
Answer For Video No.1 :
In  video 1, I learnt that unlike poles ( north & south ) attract, while like poles ( north & north , south & south ) repel.

]]> 2017-09-29 13:08:57 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192432954 WEI IAN https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192932681   I learnt that the Maglev train can travel up to 360 km per hour.The train moves by repelling each other. The train repels the track and so that is how they move.

Electro magnets are used in our everyday lives.    

]]> 2017-10-02 11:37:31 UTC https://padlet.com/vicpan72/vir8lfo9pjrv/wish/192932681