https://padlet.com/ganglerm/6cwvvkp30gc Put your name in the Title and answer the questions. en-us 2016-10-11 13:39:42 UTC 2016-10-11 13:41:55 UTC hello@padlet.com https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799868 When metal changes appearance, it is called a chemical change. Rust made the appearance of the metal change, and it is caused by coming in contact with water.]]> 2016-10-11 13:43:08 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799868 https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799913 When metal changes its apperance like this it's called chemical change.    
I think that water made the rust happen?!!?]]> 2016-10-11 13:43:13 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799913 https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799932 It's called a chemical change because the chemistry inside the nail changed to get the rust color. The metal rusted by coming in contact to water.]]> 2016-10-11 13:43:15 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799932 https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799949 It is called rust.
It was caused by aging over being used in projects or was caused by getting wet and damp. ]]> 2016-10-11 13:43:17 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799949 https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799967 The physical change that happened in the picture is called rust. This happened because humidity in the air.]]> 2016-10-11 13:43:19 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799967 https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799992 It is called rust..... —— it happens when the silver and steel oxides making it rust.... That's what I think happened ]]> 2016-10-11 13:43:21 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799992 https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799995 What happens was that the metal rusted and this was caused by rain water]]> 2016-10-11 13:43:22 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799995 https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799997 It's called rust and it happens when steel is exposed to rain for a long period of time.]]> 2016-10-11 13:43:22 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129799997 https://padlet.com/ganglerm/6cwvvkp30gc/wish/129800045
It is rust]]> 2016-10-11 13:43:29 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129800045 https://padlet.com/ganglerm/6cwvvkp30gc/wish/129800078 When metal changes its appearance like this it is called "rust." This is called physical change. I think humidity caused this as well as if the nails were sitting out in the rain and then the sun dried it up.]]> 2016-10-11 13:43:32 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129800078 https://padlet.com/ganglerm/6cwvvkp30gc/wish/129800118 Rust it's called rust, what caused this was water.]]> 2016-10-11 13:43:36 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129800118 https://padlet.com/ganglerm/6cwvvkp30gc/wish/129800253 For the first question it is called a physical change beacuase it didn't make something new but it's appearance changed.  For the second question what happened was its rusting]]> 2016-10-11 13:43:52 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129800253 https://padlet.com/ganglerm/6cwvvkp30gc/wish/129804533 I would test each liquid by putting a penny in it and seeing how it would react.]]> 2016-10-11 13:52:40 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129804533 https://padlet.com/ganglerm/6cwvvkp30gc/wish/129804730 2016-10-11 13:53:03 UTC https://padlet.com/ganglerm/6cwvvkp30gc/wish/129804730