Different Materials and Changes in Matter
Explore the characteristics of metals, plastics, glass, wood, fabric, as well as reversible and irreversible changes in matter. Learn about solubility, evaporation, and more in this informative guide.
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Presentation Transcript
Metals Strong, hard and shiny materials Good conductors Some are magnetic
Plastics Made from chemicals Strong, flexible and waterproof Good insulators
Glass Transparent or translucent Strong when thick, weak when thin Insulator of electricity, conductor of heat
Wood Comes from trees Strong and long-lasting Good insulator
Fabric Made from thin fibres woven together Can be stretchy, absorbent or insulating
Reversible changes A change that can be undone. E.g. Dissolving salt in water.
Irreversible changes A change that can NOT be undone. E.g. Boiling an egg.
To dissolve/ Dissolving When a substance is mixed with water and it mixes to create a solution.
Soluble Will dissolve in water
Insoluble Will not dissolve in water
To evaporate/ Evaporation The point when liquid turns to gas.
