Materials Around Us

Materials are substances used to create

Materials are substances used to create objects. An object can be made from one material (like a wooden chair) or multiple materials (like a pen made

Classification is the method of arranging

Classification is the method of arranging materials into groups based on common properties. We can group materials by appearance (color, shape), textu

Lustrous materials have shiny surfaces

Lustrous materials have shiny surfaces that reflect light (like metals - iron, copper, gold). Non-lustrous materials do not have shiny surfaces (like

Hard materials are difficult to compress

Hard materials are difficult to compress or scratch (like stone, iron), while soft materials can be easily compressed or scratched (like sponge, rubbe

Transparent materials allow objects to be

Transparent materials allow objects to be seen clearly through them (glass, water, air). Translucent materials allow light to pass but objects cannot