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      <title>6C Science : Uses of Friction (Decrease Friction) by Angela Wong</title>
      <link>https://padlet.com/mpswhma3/yomt5vwtj13c</link>
      <description>Give some examples of daily products that are designed to decrease friction. How do they work?</description>
      <language>en-us</language>
      <pubDate>2019-04-16 02:48:12 UTC</pubDate>
      <lastBuildDate>2025-03-01 02:18:03 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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         <url></url>
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      <item>
         <title>Bowling lanes</title>
         <author>mpswhma3</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351859886</link>
         <description><![CDATA[<div>A bowling lane is smooth which decreases the friction between the floor and the bowling ball to allow the ball to roll smoothly.</div>]]></description>
         <enclosure url="http://okcmod.com/wp-content/uploads/2012/09/DSC_0488-lanes.jpg" />
         <pubDate>2019-04-16 02:48:12 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351859886</guid>
      </item>
      <item>
         <title>Maglev train</title>
         <author>mpswhma3</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351859887</link>
         <description><![CDATA[<div>Because of magnetism, the train is suspended above the track. Hence, the friction will not affect its speed.</div>]]></description>
         <enclosure url="http://d.ibtimes.co.uk/en/full/1434710/maglev-train.jpg?w=736" />
         <pubDate>2019-04-16 02:48:12 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351859887</guid>
      </item>
      <item>
         <title>Machines.</title>
         <author>s201314231_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351917883</link>
         <description><![CDATA[<div>Machines<br>People decrease friction on machines in order to make them move smoothly.<br><br><br></div>]]></description>
         <enclosure url="http://www.icm-automation.com/wp-content/uploads/2017/07/special-purpose-machines-continuous-motion-assembly-machine.jpg" />
         <pubDate>2019-04-16 10:19:59 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351917883</guid>
      </item>
      <item>
         <title>Non-sticking pan</title>
         <author>s201314231_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351917887</link>
         <description><![CDATA[<div>This pan can prevent food from sticking on it when cooking.</div>]]></description>
         <enclosure url="http://ecx.images-amazon.com/images/I/61aZgXy4tQL._SL1500_.jpg" />
         <pubDate>2019-04-16 10:20:01 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351917887</guid>
      </item>
      <item>
         <title>Ice skates</title>
         <author>s201314131_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351920012</link>
         <description><![CDATA[<div>Ice skates are metal blades attached underfoot and use to propel the bearer across a sheet of ice while ice skating.</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/336319525/ac54e9655ea33a2845d9f8bc1d4f6304/media.jpeg" />
         <pubDate>2019-04-16 10:36:46 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351920012</guid>
      </item>
      <item>
         <title>Ball bearings of machines</title>
         <author>s201311162_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351972615</link>
         <description><![CDATA[<div>People use ball bearings for the moving part of the machine. The ball bearings will roll, so the moving parts will move without direct contact, therefor it decreases friction.<br><br></div>]]></description>
         <enclosure url="http://3.imimg.com/data3/AB/FL/MY-1641345/ball-bearing-500x500.png" />
         <pubDate>2019-04-16 13:57:08 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351972615</guid>
      </item>
      <item>
         <title>The Ice-skating Boots</title>
         <author>s201314032_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351999531</link>
         <description><![CDATA[<div>When the blades of the ice-skating boots glide over the ice, there is heat and causes the ice to melt. Extra melted water from the rubbing between the blade and the ice decreases the friction allowing the skater to glide across the ice with little effort. </div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-16 14:59:43 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/351999531</guid>
      </item>
      <item>
         <title>Angel(9)</title>
         <author></author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352227852</link>
         <description><![CDATA[<div>Water.💧💧💦<br>Water is slippery, when you step on it, you will likely fall. Water decreases friction because water can act as a barrier between the surface and the object and therefore decreases friction.</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-17 08:32:46 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352227852</guid>
      </item>
      <item>
         <title>Angel(9)</title>
         <author>s201311091</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352228457</link>
         <description><![CDATA[<div>Water 💦💦💧🚰🚿🚽<br>Water is slippery. It acts like a barrier between the surface and the object. When u slip on it, you will likely fall down. Therefore, water is an object that decreases friction</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-17 08:38:00 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352228457</guid>
      </item>
      <item>
         <title>Skiboards </title>
         <author>s201312171_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352260444</link>
         <description><![CDATA[<div>When you go skiing, you will use a skiboard. The skiboard's surface is smooth and so less friction will be created . Therefore, you will ski more further and more smoother. <br><br><br></div>]]></description>
         <enclosure url="http://www.skiboardsonline.com/mm5/graphics/rvl8/revel8_revolt_large.jpg" />
         <pubDate>2019-04-17 12:18:53 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352260444</guid>
      </item>
      <item>
         <title>Ice skates</title>
         <author>s20131316</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352462576</link>
         <description><![CDATA[<div>The ice is smooth and slippery which deceases friction between the ice and the blades of the ice skates.<br><br></div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/334447463/086ed4de8720b8b9d23b94e4ab535a6b/High_Quality_Genuine_Leather_Ince_Skate_Shoes.jpg" />
         <pubDate>2019-04-18 01:35:47 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352462576</guid>
      </item>
      <item>
         <title>ice skating boots</title>
         <author>s201314051_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352470265</link>
         <description><![CDATA[<div>There is a sharp blade on each boot to decrease friction between the ice and the boot.It helps us to glide smoothly.</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/296021932/7fb74afae0c28886d440c3bbb500a87a/s_l1600.jpg" />
         <pubDate>2019-04-18 02:37:33 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352470265</guid>
      </item>
      <item>
         <title>Ice skates  </title>
         <author>s201425321_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352535988</link>
         <description><![CDATA[<div>Friction is defined as the resistance force between two solid surfaces that are rubbing against one another. In skating sports, such as ice hockey, figure skating and speed skating, different levels of friction are created by skaters to speed up or stop on the ice. While skating at high speeds can be achieved through a reduction in friction, performing short stops are a result of an extreme amount of friction being placed on your skates by the ice.<br><a href="https://cdn-images-1.medium.com/max/1200/0*JCyA2AZSPLwyDS2n.">https://cdn-images-1.medium.com/max/1200/0*JCyA2AZSPLwyDS2n.</a></div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-18 12:33:53 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352535988</guid>
      </item>
      <item>
         <title>Skating</title>
         <author>s201214051_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352708036</link>
         <description><![CDATA[<div><em>Ice and water</em> make surfaces slippery,this decrease the friction.<br>This is why skaters can slide easily and smoothly.</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-19 04:08:02 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352708036</guid>
      </item>
      <item>
         <title>Lubricating oil (for engines )</title>
         <author>s201313222_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352712366</link>
         <description><![CDATA[<div>(6C 27) <br>Lubricating oils reduce friction and wear between two moving metallic surfaces by providing a continuous fluid film in between the surfaces </div>]]></description>
         <enclosure url="https://arslanenginery.com/wp-content/uploads/2015/04/piston-shc-image-21-shc-pegasus-piston-shaft.980x980.jpg" />
         <pubDate>2019-04-19 05:25:49 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352712366</guid>
      </item>
      <item>
         <title>Ice skates</title>
         <author>s201422311_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352852892</link>
         <description><![CDATA[<div> The blade is smooth and has a small surface, making the area on the ice smaller. It helps the skater glide on the ice easily and faster.</div>]]></description>
         <enclosure url="http://images.iop.org/objects/phw/news/20/1/3/PW-2016-01-06-Randall-ice.jpg" />
         <pubDate>2019-04-20 13:02:35 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352852892</guid>
      </item>
      <item>
         <title>Curling</title>
         <author>s201422311_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352854280</link>
         <description><![CDATA[<div>A player rubs the floor with the broom in front of the curdle decreases the friction and make the surface smoother, it helps the curdle change direction, stop when wanted and continue gliding.</div>]]></description>
         <enclosure url="http://commitnesstofitness.com/wp-content/uploads/2013/04/2010_Winter_Olympics_-_Curling_-_Women_-_USA.jpg" />
         <pubDate>2019-04-20 13:32:47 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352854280</guid>
      </item>
      <item>
         <title>Natalia Wong (28) </title>
         <author></author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352885743</link>
         <description><![CDATA[<div>Ice:<br>Ice is smooth because it melts into water when there is pressure,  and that causes heat that creates water molecules. The water molecules would turn into marble balls</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-20 23:58:05 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352885743</guid>
      </item>
      <item>
         <title>A lubricant</title>
         <author>s201313081_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352893783</link>
         <description><![CDATA[<div>To open a window smoothly and safely, we may apply a lubricant to its hinges to reduce friction.<br><br><br></div>]]></description>
         <enclosure url="https://images.homedepot-static.com/productImages/cb6747fd-d95e-4098-b396-6848b3725adb/svn/bestline-lubricants-maintenance-fluids-27101-10-64_1000.jpg" />
         <pubDate>2019-04-21 03:19:39 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352893783</guid>
      </item>
      <item>
         <title></title>
         <author>s201313081_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352894114</link>
         <description><![CDATA[]]></description>
         <enclosure url="http://1.bp.blogspot.com/-l7Yg6SzS64o/VZfcOaQE-kI/AAAAAAAABMA/MLXxwfee8UI/s1600/Av_egrave_ne_Cold_Cream_Ultra_Rich_Soap_Free_Cleansing_Bar_100g_1400156982.png" />
         <pubDate>2019-04-21 03:27:44 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352894114</guid>
      </item>
      <item>
         <title>Soap</title>
         <author>s201313081_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352894115</link>
         <description><![CDATA[<div>When our accessories got stuck with our wrist, we may apply soap to our wrist.<br><br></div>]]></description>
         <enclosure url="http://1.bp.blogspot.com/-l7Yg6SzS64o/VZfcOaQE-kI/AAAAAAAABMA/MLXxwfee8UI/s1600/Av_egrave_ne_Cold_Cream_Ultra_Rich_Soap_Free_Cleansing_Bar_100g_1400156982.png" />
         <pubDate>2019-04-21 03:27:48 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352894115</guid>
      </item>
      <item>
         <title>Rollers</title>
         <author>s201315121_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352993701</link>
         <description><![CDATA[<div>A roller is a friction-reducing  machine that allows you to move a heavy object along the ground. Rolling friction is much less than sliding friction. In order to move a heavy object along the ground, rollers can be used to reduce the resistance from friction.</div>]]></description>
         <pubDate>2019-04-22 06:03:50 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/352993701</guid>
      </item>
      <item>
         <title>Water</title>
         <author>s201314141_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/353276330</link>
         <description><![CDATA[<div>water can decrease  friction between an  object and  a surface </div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-23 08:28:37 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/353276330</guid>
      </item>
      <item>
         <title></title>
         <author>s201314021_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/353347570</link>
         <description><![CDATA[<div><strong>Rosin used for violins<br><br></strong>Rosin is used to rub on the bows of violins. It can make the bow smoother doesn’t go wrong.<br><a href="https://consordini.com/wp-content/uploads/2015/05/violin-rosin-300x200.jpg">https://consordini.com/wp-content/uploads/2015/05/violin-rosin-300x200.jpg</a></div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-23 13:24:15 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/353347570</guid>
      </item>
      <item>
         <title>Water Slide</title>
         <author>s201211272_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/353374500</link>
         <description><![CDATA[<div>The water slide is filled with water which decrease the friction between the slide's surface and the player who is sliding down smoothly with fast speed.</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/334928305/ae26cfb0b9f144493c06f08eda9cd551/image.png" />
         <pubDate>2019-04-23 14:17:09 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/353374500</guid>
      </item>
      <item>
         <title>Floor of an ice rink</title>
         <author>s201425311_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/353628804</link>
         <description><![CDATA[<div>The floor of an ice rink is smooth which decreases the friction between the ice and the blades of  the ice skating shoe to allow the ice skater to skate smoothly.</div>]]></description>
         <enclosure url="http://www.megaice.com.hk/assets/img/home/img-slide-01.jpg" />
         <pubDate>2019-04-24 06:36:56 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/353628804</guid>
      </item>
      <item>
         <title>Slides</title>
         <author>s201425311_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/353629834</link>
         <description><![CDATA[<div>A slide is smooth which decreases the friction between the surface of the slide and our bodies to allow us to slide smoothly.</div>]]></description>
         <enclosure url="https://www.byoplayground.com/image/product/67833_Velocity%20Slide%208ft%20Sngl.jpg" />
         <pubDate>2019-04-24 06:42:26 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/353629834</guid>
      </item>
      <item>
         <title>Lubricant</title>
         <author>s201311183_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/353996669</link>
         <description><![CDATA[<div>If we put some lubricant on something that is difficult to open, it can make the surface smoother, and it can be more easier to open</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-25 05:30:06 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/353996669</guid>
      </item>
      <item>
         <title>Oil</title>
         <author>s2019147</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/354102794</link>
         <description><![CDATA[<div>Oil is oily and smooth, if you put oil between two solid gears, the solid gears will slide freely past one another, so helping to decrease friction.</div>]]></description>
         <enclosure url="" />
         <pubDate>2019-04-25 13:43:07 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/354102794</guid>
      </item>
      <item>
         <title>Water slides</title>
         <author>s201311043_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/354109112</link>
         <description><![CDATA[<div>These are water slides. They have smooth surfaces, so when the water and the surface of the slide glide together, the friction will be decreased. That’s why we can slide down quickly and smoothly.</div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/296024831/155d474fc3c7dffea7fa06a9fe8db841/science.jpg" />
         <pubDate>2019-04-25 13:56:31 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/354109112</guid>
      </item>
      <item>
         <title>Ice-skating rink</title>
         <author>s201311043_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/354110322</link>
         <description><![CDATA[<div>This is an ice-skating rink. When the blade glides on the ice, the ice will be heat and turn to water which decrease friction. Therefore, we can glide smoothly on the ice.  </div>]]></description>
         <enclosure url="https://padlet-uploads.storage.googleapis.com/296024831/edab1fcc736bc87ee62804c3431ff45b/ice_rink.jpg" />
         <pubDate>2019-04-25 13:59:02 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/354110322</guid>
      </item>
      <item>
         <title></title>
         <author>s20191275</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/354119215</link>
         <description><![CDATA[<div>The use of oil can help reduce friction. It reduces friction because it acts as a lubricant, smoothing bumps between rough surfaces, therefore making gears and machine parts easier to work with.</div>]]></description>
         <pubDate>2019-04-25 14:16:55 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/354119215</guid>
      </item>
      <item>
         <title>Oil </title>
         <author>s201312141_1</author>
         <link>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/355741696</link>
         <description><![CDATA[<div>Oil is very smooth ,so if you invert oil on the table ,then if you place an object on the oil . The object will fall .</div>]]></description>
         <enclosure url="https://cindysgarden.com/wp-content/uploads/2017/07/oil-poured-from-jug-into-spoon-800x800.jpg" />
         <pubDate>2019-05-01 11:32:13 UTC</pubDate>
         <guid>https://padlet.com/mpswhma3/yomt5vwtj13c/wish/355741696</guid>
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