
"Máquinas e inventos"
Authored by Mª José Martínez
Science
4th Grade
Used 12+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Según su complejidad y el número de piezas las máquinas se clasifican en...
Grandes y pequeñas
Simples y Mecánicas
Mecánicas y Eléctricas
Simples y Complejas
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es la máquina simple que aparece en la imagen?
polea
palanca
cuña
rueda y eje
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los elementos de una máquina simple son:
engranajes y ejes
punto de apoyo, carga y fuerza
punto de apoyo y resistencia
fuerza, esfuerzo y punto de apoyo
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las máquinas son instrumentos o herramientas que para funcionar necesitan
elementos energéticos
los animales
fuerza o energía
baterías o pilas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un ejemplo de palanca de primera clase es
martillo
exprimidor de limones
balanza
carretilla
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Qué tipo de palanca es?
DE primer género
de segundo género
de tercer género
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Que tipo de palanca es?
de primer gènero
de segundo género
de tercer género
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