Lab 7º Práctica: Cambios físicos y químicos

Quiz
•
Chemistry, Physics, Biology
•
7th - 8th Grade
•
Medium
Lourdes Loera
Used 16+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ejemplos de fenómenos químicos:
reacciones químicas
cambios de estado físico
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Qué fenómeno ocurre al arder una sustancia, como el papel y la madera:
Químico
fisico
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cortar papel, fraccionar el gis, cortar la tela, cortar madera, derretir la cera etc.
Ejemplo de fenómeno físico
Ejemplo de fenómeno químico
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al aplicar calor a la cinta de magnesio se produce:
óxido de manganeso
un cambio físico
un cambio químico
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al calentar la cera y pasar al estado líquido, se clasifica como un cambio:
físico
químico
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