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Questions and Answers
What are some examples of furniture made out of wood?
tables, chairs, shelves, wardrobes, cabinets, TV tables
What are plastics made of?
long-chain molecules called polymers
Name three types of plastics.
polyester, polypropylene, polyvinyl chloride
What is glass made from?
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How is glass made?
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What are material resources and how are they used for productive human purposes?
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What are some examples of material resources mentioned in the text?
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How are metals used in the production of utensils?
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What is the origin of metals found on Earth?
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What is the purpose of using material resources in everyday objects?
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Study Notes
Material Resources
- Material resources are natural materials used for productive human purposes, giving them financial value.
- Examples of material resources include wood, metals, plastics, and rubber.
Everyday Objects and Material Resources
- Utensils (e.g., knives, forks, spoons) are made from metals extracted from rocks in the ground.
- Metals found on Earth were originally formed in distant stars millions of years ago and then baked into our planet.
- Humans extract, purify, and shape metals using high temperatures to create utensils.
Wood as a Material Resource
- Wood is used to make furniture, including tables, chairs, shelves, and cabinets.
- Wood comes from trees, which have been used by humans for tens of thousands of years.
- Even particleboard is made from wood.
Plastics as a Material Resource
- Plastics are synthetic and organic materials that can be bent and molded easily.
- Plastics are made from long-chain molecules called polymers, created from natural materials.
- Examples of plastics include polyester, polypropylene, polyvinyl chloride, and polyethylene.
- Common names for plastics include vinyl, PVC, and Styrofoam.
Glass as a Material Resource
- Glass is a transparent solid made from silicon, the main element found in sand.
- Glass is used for windows, measuring jugs, light fixtures, vases, and drinking glasses.
- Glass is made by heating sand to high temperatures, forming a liquid that can be shaped using a template.
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Description
Test your knowledge on the concept of material resources with this quiz! Explore the various natural materials used in everyday life and discover how they play a role in our daily activities. From oak doors to rubber tires, uncover the common thread that ties them all together. Challenge yourself and expand your understanding of material resources.
