https://padlet.com/2272771/2v1rj40tepvh Made with a lightning strike of genius en-us 2019-08-26 12:50:36 UTC 2019-08-26 13:06:02 UTC hello@padlet.com 2272771 https://padlet.com/2272771/2v1rj40tepvh/wish/377073450 Pressure-sensitive tape, PSA tape, self-stick tape or sticky tape consists of a pressure-sensitive adhesive coated onto a backing material such as paper plastic film cloth or metal foil. It is sticky without any heat or solvent for activation and adheres with light pressure.]]> 2019-08-26 12:53:30 UTC https://padlet.com/2272771/2v1rj40tepvh/wish/377073450 2272771 https://padlet.com/2272771/2v1rj40tepvh/wish/377073930 This sticking together of like substances is called cohesion. Depending on how attracted molecules of the same substance are to one another the substance will be more or less cohesive. Hydrogen bonds cause water to be exceptionally attracted to each other. ]]> 2019-08-26 12:54:54 UTC https://padlet.com/2272771/2v1rj40tepvh/wish/377073930 2272771 https://padlet.com/2272771/2v1rj40tepvh/wish/377074525 Magnets can either attract or repel each other. A permanent magnet is an object that produces a magnetic field around itself. It is this field that enables them to stick to each other and to some types of metal. Specifically, they stick to ferromagnetic materials like iron and things that contain iron, such as steel.]]> 2019-08-26 12:56:30 UTC https://padlet.com/2272771/2v1rj40tepvh/wish/377074525