correcç╞o+do+teste+de+avaliaç╞o

Correcção do teste de avaliação 1. A luz propaga-se no vazio. Quando se propaga no ar fá-lo em linha recta e em várias direcções. Ao atravessar um corpo opaco como por exemplo um vidro de uma janela a luz branca decompõe-se nas cores do arco-íris porque a sua velocidade de propagação em qualquer meio é sempre diferente.  2. A ... opacos…  … Translúcidos … … Transparentes.  B …sombra…  C … feixe…  <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">D <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">… divergente. <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;"> <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">E <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">…convergente. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">F <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">… paralelo. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">3.1 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">A. Raio incidente <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">B. Ângulo de incidência <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">C. Ângulo de reflexão <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">D. Raio reflectido <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">E. Normal <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">3.2 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">R:. Os dois ângulos são iguais. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">3.3 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">R:. È regular porque a superfície é polida. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">
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<span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">4.1 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">
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<span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">5.1 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">A. Convexo <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">B. Convexo <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">C. Côncavo <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">D. Convexo <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">7.1 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">L1-convergente <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">L2-divergente <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">L3- convergente <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">7.2 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">L1: +1 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">L2: - 1 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">L3: +2 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">7.3 <span style="height: 2px; margin-left: 82px; margin-top: 15px; position: absolute; width: 30px; z-index: 251661312;"> <span style="height: 2px; margin-left: 17px; margin-top: 15px; position: absolute; width: 26px; z-index: 251660288;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">D=1 ó <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> f=1 ó <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">f=0.5m <span style="font-family: "Cambria Math","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> f 2 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">7.4 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">R:. É a L1 e a L3 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">8 <span style="font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">A. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">Pupila <span style="font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">B. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">Cristalina <span style="font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">C. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">Íris <span style="font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">D. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">Córnea <span style="font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">E. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">Retina <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">9.1 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">A. Miopia <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">B. hipermetropia <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">9.2 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">I: A <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">II: B <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">9.3 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">I: divergente <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">II: convergente <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">Química <span style="font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 115%;">1. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 115%;">A transformação é química porque adiciona-se ao nitrato de chumbo um pouco de cromato de potássio, e estes misturam-se. <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">1.2 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> Reagentes: cromato de potássio e nitrato de chumbo. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> Produtos de reacção: sólidos <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">1.3 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> Nitrato de chumbo (s) + Cromato de potássio (aq) → cromato de chumbo (aq) + Nitrato de potássio <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">2. <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">2.1. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> São reacções de combustão porque contêm oxigénio. <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">2.2 <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">A- <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> Combustão gasosa <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">B- <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> Combustão aquosa <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">2.3 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">. O butano que é gasoso com oxigénio que é sólido origina dióxido de carbono que é sólido com água que é líquido. <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">2.4 <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">Reagentes: ferro, oxigénio, água <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">Produtos de reacção: óxido de ferro hidratado <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">2.5. <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;"> A melhor forma e a forma também mais usada no dia-a-dia para evitar a corrosão do ferro é a tinta. <span style="color: #1f497d; font-family: 'Bookman Old Style',serif; font-size: 12pt; line-height: 120%;">Correcção do teste elaborado por: <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">-Cristiana Coelho nº3 8ºB <span style="font-family: "Bookman Old Style","serif"; font-size: 12.0pt; line-height: 120%;">-Diana Louro nº4 8ºB