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Natural Science · 1.º de Primaria · Ficha de repaso

Unit 6: We use machines

Materials and where they come from, simple machines and the computer.

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1.º de Primaria · Natural Science · Unit 6: We use machines · Ficha de repaso

Where do materials come from?

wood
trees
wool
sheep
cotton
a plant
paper
wood
glass
sand

Natural or made by people?

Wood, wool and stone are natural. Plastic and glass are made by people.

Machines

Machines help us do things. Simple machines have few parts: scissors, a see-saw, a ramp. A computer has a screen, a keyboard and a mouse.

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