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Questions and Answers
Which property of materials allows them to be shaped and return to their original form?
Which property of materials allows them to be shaped and return to their original form?
- Elasticity (correct)
- Hardness
- Durability
- Flexibility
What is a common second use for an empty container?
What is a common second use for an empty container?
- Flower vase (correct)
- Hazardous waste storage
- Chemical storage
- Food waste disposal
Which of the following examples illustrates recycling of materials?
Which of the following examples illustrates recycling of materials?
- Using a cup for a flower pot
- Turning candy wrappers into curtains (correct)
- Using a cardboard box for storage
- Throwing away a glass bottle
What type of materials may pose health hazards when not used properly?
What type of materials may pose health hazards when not used properly?
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What is a property that makes materials suitable for reusing?
What is a property that makes materials suitable for reusing?
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What kind of harm can broken glass cause?
What kind of harm can broken glass cause?
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Study Notes
Properties of Useful Materials
- Useful materials possess durability, flexibility, elasticity, hardness, and resistance to water, heat, or acid.
- Many useful materials can be reused or recycled, enhancing sustainability.
Reusability of Containers
- Empty containers, such as plastic or glass bottles, can be repurposed for various uses, including:
- Flower vases
- Coin banks
- Decorative items for homes
Recycling Potential
- Recyclable items can be transformed into new products:
- Candy wrappers can be converted into stylish curtains.
- Plastic bottles can be repurposed as Christmas lanterns.
Hazards Associated with Certain Materials
- Broken materials, like glass jars, may cause cuts or injuries.
- Common household items may contain toxic substances, including:
- Paints
- Cleaners
- Fumes
- Gels and powders
Health and Environmental Risks
- Improper handling or usage of certain materials can pose risks to health, the environment, and living organisms.
- Awareness and caution are crucial when using and managing various materials.
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