A material is useful if it has a purpose. (Medicine, ETC)
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What are the properties of a material being useful?
Durability, flexibility, elasticity, hardness and resistance to water, heat or acid.
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Useful materials can be recycled or recovered to make something new. True or False
True
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Useful materials cannot be dumped in the landfill because it will cause harm. True or False?
False
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Some Useful materials can cause harm. True or False?
True. Like broken glass.
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When is a material considered harmful?
When it brings harm to your health, animals, environment and other organisms when not used properly.
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Harmful materials can be dumped into the landfill without harming anything. True or False?
False
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What are the characteristics of harmful materials?
Flammable, toxic, explosive, corrosive, sharp and can pollute the enviroment.
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To know if a material is harmful or useful you need to check the labels and if there is chemical then it is a harmful material and if it has no chemical it is a useful material. True or False?
True
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Other cards in this set
Card 2
Front
What are the properties of a material being useful?
Back
Durability, flexibility, elasticity, hardness and resistance to water, heat or acid.
Card 3
Front
Useful materials can be recycled or recovered to make something new. True or False
Back
Card 4
Front
Useful materials cannot be dumped in the landfill because it will cause harm. True or False?
Back
Card 5
Front
Some Useful materials can cause harm. True or False?
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