3º NS Unit 6 – MACHINES AND INVENTIONS (SB pages 90, 91, 92)

HOMEWORK:

1. Click on the links to watch the videos.

2. Read and do the exercises of these pages:

- SS Student´s Book (pages 90, 91, 92)

3. Study the concepts.

LINKS:

SIMPLE AND COMPLEX MACHINES

https://www.youtube.com/watch?v=8GHRZabpsQE

https://www.youtube.com/watch?v=Ak3M5tFro_I