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Questions and Answers
What is the main criterion for sorting materials into groups?
The main criterion for sorting materials into groups is their properties or characteristics, such as lustrous/non-lustrous, magnetic/non-magnetic, transparent/ opaque, etc.
How would you classify a material that is shiny and attracts iron filings?
The material would be classified as metal and magnetic.
Give an example of a non-lustrous metal.
Copper oxide is an example of a non-lustrous metal.
What is the difference between a transparent and translucent material?
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How would you sort a material that is not affected by a magnet?
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Study Notes
Classification of Materials
- The main criterion for sorting materials into groups is their physical properties, such as appearance, magnetism, and transparency.
Magnetic Materials
- A material that is shiny and attracts iron filings is classified as a ferromagnetic material.
- Ferromagnetic materials are capable of being magnetized and attracting other magnets or magnetic materials.
Non-Lustrous Metals
- An example of a non-lustrous metal is copper oxide, which has a dull appearance.
Transparent and Translucent Materials
- The main difference between a transparent and translucent material is the way they allow light to pass through.
- Transparent materials allow light to pass through clearly, while translucent materials allow light to pass through but scatter it, making the object appear cloudy or foggy.
Non-Magnetic Materials
- A material that is not affected by a magnet is classified as a non-magnetic material.
- Non-magnetic materials do not have the ability to be magnetized or attract other magnets or magnetic materials.
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Description
Test your understanding of sorting materials into groups based on their properties. Identify the main criteria for sorting, classify materials that are shiny or attract iron filings, and distinguish between transparent and translucent materials. Assess your knowledge of non-lustrous metals and magnetism.
