Auditory processing disorder (also known as central auditory processing disorder or CAPD) is a condition that makes it hard for kids to recognize subtle differences between sounds in words. It affects their ability to process what other people are saying.
Gallium is a solid metal at room temperature, but it melts in your hands. 00:09. When gallium is in its liquid state, if feels like cold melted solder in your hands. 00:33. Melting gallium onto aluminum makes the aluminum brittle enough to break with your fingers.
Melt your gold with the acetylene torch. The acetylene torch gets hot enough to melt your gold. Make sure you wear protective goggles and leather gloves when you work with the acetylene torch. You do not want to hurt or burn yourself when you melt your gold. Your gold is a soft metal and it will melt quickly.