https://padlet.com/tylerjupe/x83za3rt8v67 Revision for science topic en-us 2018-03-27 13:54:44 UTC 2018-03-27 15:37:26 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Growing.png tylerjupe https://padlet.com/tylerjupe/x83za3rt8v67/wish/246499979 Your body is made up of chemical compounds, which are combinations of elements.Your body is mostly water, made up of hydrogen and oxygen.]]> 2018-03-27 13:59:52 UTC https://padlet.com/tylerjupe/x83za3rt8v67/wish/246499979 tylerjupe https://padlet.com/tylerjupe/x83za3rt8v67/wish/246503607 A process that involves rearrangement of molecular or ionic structure of a substance, as small as a change in physical form to a nuclear reaction!]]> 2018-03-27 14:05:29 UTC https://padlet.com/tylerjupe/x83za3rt8v67/wish/246503607 tylerjupe https://padlet.com/tylerjupe/x83za3rt8v67/wish/246505059 The stars contained within the rocket body contain the metal powders or salts that give the firework its colour. They will often be coated in gunpowder to aid in ignition. The heat given off by the combustion reaction causes electrons in the metal atoms to be excited to higher energy levels.]]> 2018-03-27 14:08:14 UTC https://padlet.com/tylerjupe/x83za3rt8v67/wish/246505059 tylerjupe https://padlet.com/tylerjupe/x83za3rt8v67/wish/246550823 Carbonation is the process of carbon dioxide naturally dissolving into a solution of water under pressure. It is usually found through the creation of soda, tonic water, bottled water, and alcoholic beverages.]]> 2018-03-27 15:30:16 UTC https://padlet.com/tylerjupe/x83za3rt8v67/wish/246550823 tylerjupe https://padlet.com/tylerjupe/x83za3rt8v67/wish/246552294 cooking brings about chemical changes in food. The texture and taste changes when food is cooked. Baking powder contains sodium hydrogen carbonate. This breaks down when heated, releasing carbon dioxide that helps cake mixtures to rise during baking.]]> 2018-03-27 15:33:06 UTC https://padlet.com/tylerjupe/x83za3rt8v67/wish/246552294 tylerjupe https://padlet.com/tylerjupe/x83za3rt8v67/wish/246553511 Batteries use a chemical reaction to do work on charge and produce a voltage between their output terminals. The basic element is called an electro chemical cell and makes use of an oxidation/reduction reaction. An electro chemical cell which produces an external current is called a voltaic cell.]]> 2018-03-27 15:35:17 UTC https://padlet.com/tylerjupe/x83za3rt8v67/wish/246553511