
EnergÌa
Authored by araceli maldonado
Science
1st Grade
Used 5+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es la capacidad física de todos los cuerpos para efectuar un trabajo, producir movimiento, o bien generar un cambio
dilataciòn
presiòn
fuerza
Energìa
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Expresiòn algebraica que representa como se puede obtener la energia mecanica (Em) de un cuerpo en movimiento , con energia potencial(Ep) y energia cinetica(Ec)
Em=Ep-Ec
Em=Ep + Ec
Em=(Ep + Ec)/ 2
Em=Ep / Ec 2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
enunciado que mejor describe el principio de la conservación de la energìa.
La energía se pierde cuando se utiliza
La energìa tiene una duraciòn extensa y contiua
La energìa se transforma para realizar solo movimientos
La energìa no se crea ni se destruye, sòlo se transforma
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dispositivo cuyo funcionamiento permite observar la conservación de la energía mecánica
Gato hidraulico
Televisor a color
Telefono celular
Motor electrico
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Energía total de un sistema fisico, que se obtiene de la suma de sus energías potencial y cinètica
Mecanica
Hidraulica
Electromagnetica
Quimica
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es el flujo de electrones a lo largo de un conductor , entre cuyos extremos se aplica una diferencia de potencial, puede ser continua o alterna.
Rigidez elèctrica
Potencia elèctrica
Corriente elèctrica
Resistividad elèctrica
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Energia generada por el movimiento de electrones en el interior de materiales conductores.
Elèctrica
Magnetismo
Eficiencia energetica
Cinetica
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