Investigating materials
1 like1,158 views
The document discusses the properties and uses of various materials including metals, plastics, wood, and glass. It explains that materials like wood float in water while metals sink. It also discusses applying knowledge of materials' properties in everyday life, such as using insulators to keep things hot or cold. Examples are given of common objects and the materials they are made of, like metal spoons and wooden tissues. The importance of reducing, reusing, and recycling materials is covered, along with ways rusting can be prevented by coating metals with paint, oil, or grease.
Investigating materials
- 1. metal carbon glass plastics wood Light to pass Conduct Insulator through electricity 1.1 The properties of materials Float on water Sink in water Can be stretch conduct heat wood stone rubber ring metal
- 2. 1.2 Applying knowledge properties of materials in everyday life Suggest ways Suggest ways to keep things hot to keep things cold Covered with insulators hot thing cold thing To prevent prevent from heat loss absorbing heat
- 3. 1.3 Uses of materials based on their properties List of object and materials that they Reason why particular are made of materials are used to make an object object materials properties spoon metal hard cheap strength tissue wood Soft glasses glass transparent easy to get good quality
- 4. 1.4 The importance of reuse, reduce and recycle of materials wood cotton metal plastics synthetic cloth natural Man-made materials rubber glass materials State that man-made materials comes from natural materials reducing reusing recycling public transport plastic bag bottle plastics glass
- 5. 1.6 RUSTING CAN BE PREVENTED DIFFERENT WAYS TO THE NECESSARY TO PREVENT OBJECTS FROM RUSTING PREVENT RUSTING Coating with non *Everlasting Live rusting materials *Save Natural *paint material *oil *Save Cost *grease *Looking good *Conclusion; Rusting can be avoided by preventing iron contact with air and water.
- 6. UNDERSTANDING THAT SOME MATERIALS CAN BE RUST RUSTY OBJECTS NON RUSTY OBJECTS OBJECT MADE OF OBJECT MADE OF IRON AND STEEL GLASS PLASTIC, WOOD, CLAY AND SILK *Nail *Glass *Spoon *Bottle *Knife *Cup *Needle *Pencil