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Metals and non-metals

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This activty covers the properties and uses of metals and non-metals, including plastics.

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Âge recommandé: 16 ans
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Saint Vincent and the Grenadines

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Metals and non-metals

This activty covers the properties and uses of metals and non-metals, including plastics.

Camesha Browne
1

waste strength tensile plastic plastic litter density high electricity graphite Nylon electricity density polymer heat biodegradable

Sodium and potassium are examples of metals with a low ; most other metals have a high . The of a substance is measured by using a force to stretch it . Metals are good conductors of and . Non - metals are poor conductors of , except for . Most metals have melting and boiling points .
A is made when many molecules are joined together . Terylene is a used in making sails for boats . can be used as a fibre in clothing . A plastic breaks down over time into smaller compounds . But most plastics are non - biodegradable , and two of the biggest problems about using them are and .