What´s a machine?
Machines change the world.
Simple machines
Complex machines
Examples of machines
4º SCIENCE. Unit 6. Digital devices
Technology past & present Technology to communicate Use digital devices safely Programming Design
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Food Have got Breakfast, lunch & dinner She does & she doesn´t /i/ sound Healthy food
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Animals Animals in danger They are / they aren't Verbs in English Yes, I do / No, I don't
