Posts

Showing posts from October, 2018

WHAT IS A MATERIAL?

Image
Some Materials are found naturally on Earth, others are made by humans. One material may be hard and brittle, while another may be soft and bendy. These types of features are called "Properties". We choose a material for a specific job based on its properties. For example, you wouldn't build a castle out of chocolate! 1.Metal: Metals are usually strong, but not brittle, which means they do not break easily. Iron, for example, may be used to make strong chains. Metals are also good at allowing heat and electricity to pass through them. Types of metal: Different Metals have different properties and so are used to make different things. Gold: Gold is a shiny metal from which crowns and jewellery are made. Iron: Iron is heavy. Heated flatirons were once used to press clothes. Aluminium: Aluminium is a light metal. It is used to make cans and aircraft. Copper: Copper is easy to bend. It is often used for water pipes or wires. 2. Brick: Bricks are rectan...