Atividade sobre tipos de máquinas
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Easy
Gabriele Vaz
Used 28+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
As máquinas são dispositivos feitos pelo homem. Qual o principal objetivo das máquinas utilizadas ao redor do mundo?
Auxiliar o ser humano e reduzir o esforço.
Reduzir a poluição do ar.
Combater o desemprego.
Aumentar a qualidade de vida.
Answer explanation
A principal objetivo das máquinas utilizadas ao redor do mundo é auxiliar o ser humano e reduzir o esforço, tornando as tarefas mais fáceis e eficientes.
2.
OPEN ENDED QUESTION
3 mins • 1 pt
Dê exemplos de máquinas simples:
Evaluate responses using AI:
OFF
Answer explanation
Plano inclinado, tesoura, alavanca, roldana e martelo
3.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Sou uma máquina simples e capaz de multiplicar a força aplicada sobre mim. Qual é o meu nome?
Answer explanation
A máquina simples que é capaz de multiplicar a força aplicada sobre si é chamada de Alavanca.
4.
OPEN ENDED QUESTION
3 mins • 1 pt
Qual a função das engrenagens?
Evaluate responses using AI:
OFF
Answer explanation
Produzem o movimento, redução do trabalho e aumento da velocidade. exemplo: engrenagens da bicicleta.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quais destes objetos quando utilizados corretamente, são considerados alavancas?
Martelo e machado
Cadeira e gangorra
Prego e parafuso
Tesoura e alicate
6.
OPEN ENDED QUESTION
3 mins • 1 pt
Dê exemplos de máquinas complexas:
Evaluate responses using AI:
OFF
Answer explanation
São exemplos de máquinas complexas: carros, bicicletas, celulares e etc...
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quais destas opções também são consideradas máquinas complexas?
Parafuso e microscópio
Celular e calculadora
Tv e rampa
Chave de roda e maçaneta
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