Pregunta
|
Respuesta correcta
|
What are machines? :
|
They are objects |
A machine uses ..........to work :
|
energy |
To heat or cool things :
|
we use a cook and a fridge |
Pregunta
|
Respuesta correcta
|
How many parts have simple machines got? :
|
one part o few parts |
Is a wheel with a rope around it. :
|
pulley |
We use this machine to go from one place to another place :
|
a bicycle |
We use this machine to cut trees :
|
an axe |
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