Question

write two properties of the materials below: Plastic, Wood, Metal

Answer 1

Answer:

hi

plastic

it is a non degradable substance

also harmful to animals

wood

it is a useful material to human being

and when it combust then coal is formed

Metal

it is very hard and good conductor of electricity

also it is a shiny

Thank you ❤❤❤

Answer 2

Plastic materials are comprised of long chain molecules called polymers.

Explanation:

• Plastic is available in many colors.
• Plastics can be rubbery or rigid in its transparent form.  
• Lightweight with a high strength-to-weight ratio
• Plastics are manufactured at low cost and mass produced.
• Plastics are water resistant, shock resistant and thermally/electrically insulating.

Wood:

• The important physical properties of wood are mentioned below:
• Color, texture, macro structure, luster, odor, internal stress, swelling, cracking etc.  
• Properties like colour, shine, texture and macrostructure determine the appearance of wood.

Metal:

• Metals are strong and malleable in nature.  
• Metals are ductile and they are good conductors of heat & electricity.
• Metals are Lustrous an are solid at room temperature.
• The melting and boiling points of metals are commonly high.
• All metals are generally heavy, hard and sonorous.

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