Batteries, Mains electricity or Human energy?

Batteries, Mains electricity or Human energy?
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Instrucciones del autor

By observing photos, pupils must guess where machines get their energy from.

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一年级科学 - 磁铁

Physical Science - Science

这是科学练习。This is a science worksheet.

Encender y apagar la computadora

Physical Science - Science

encender y apagar la pc

Evaluación de ciencia y ambiente

Physical Science - Science

Los estudiantes demuestran sus aprendizajes resolviendo la prueba

Bike Parts

Physical Science - Science

Matching simple bike-part words to places on a picture of a bike