Gold
Terms
Can be shaped when a force is applied eg like squeezing modelling clay.
Alloys, often mistakenly called metals, are mixtures that contain at least one metal.
A conductor lets either heat or electricity passes through it.
Particles in a solid are close together and stuck well to each other. Walking through a solid is impossible. Solids when heated can turn into liquids.
Materials corrode when they change due to water and air being present.
Gold is a valuable, solid metal. Pure gold is yellow in colour.
Gold, like silver and copper, can be found as a metal in the ground in some parts of the world.
Gold has been used by humans for many thousands of years. It is a useful metal because Gold does not corrode so it will last forever.
Gold is malleable so it is easy to shape. Gold is used for medals, teeth fililngs, jewellery and statues. Some coins are still made from gold.
Being a metal, gold can conduct both heat and electricity. In some electronics gold is used for wires.
Very thin sheets of gold, called ‘gold leaf’, can be stuck over other materials, such as wooden picture frames, to decorate them.
All waste gold can be recycled.
Questions
Gold is a yellow coloured metal.
Gold will conduct electricity.
Gold can be used in dental fillings
