constituição das substâncias - cfq - 8.º ano
TRANSCRIPT
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7/28/2019 Constituio das substncias - CFQ - 8. ano
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Cincias Fsico-qumicasConstituio das substncias 8. ano
Nome:____________________________________________________________Data: __________
1. Como constituda a matria?R:______________________________________________________________________________
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2. Porque que uma substncia slida, lquida e gasosa?R:______________________________________________________________________________
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3. Quais so as propriedades dos slidos, lquidos e gases?R:______________________________________________________________________________
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4. Qual a influncia da temperatura sobre a matria?R:______________________________________________________________________________
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5. Como que a presso num gs pode variar?R:______________________________________________________________________________
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6. Explica porque que se d a variao de presso de um gs com a variao de temperatura e devolume.
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7. Quais so as unidades estruturais da matria?R:______________________________________________________________________________
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8. Como constituda uma molcula?R:______________________________________________________________________________
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9. O que so substncias elementares?R:______________________________________________________________________________
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10. O que so substncias compostas?R:______________________________________________________________________________
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Bom trabalho!