Questions: MACHINES & TRANSPORTATION

                      

(Give reasons to support your answers)

1. What is a machine?

2. What is the difference between a simple machine and a complex machine?

3. Name the six simple machines and explain how they work.

4. What did people use to shoot arrows?

5. What did people build to get water for their plants?

6. What do ramps help us to do?

7. How did the Egyptians workers move the rockds up the ramps?

8. What fuels do most vehicles use today?

9. What vehicles don’t produce smoke or pollution?

10. What type of vehicles use human energy?

9 comentarios

[Naiara 6ºc - 31 de marzo de 2011 - 18:47]

I have done them also on Monday,and they were very easy peasy!!!!!!!!!!!!!BYE,THANKS Estibaliz!!!!!

[LAURAP.T. 6ºC - 28 de marzo de 2011 - 23:18]

The question are very easy:)
thank you Estibaliz!!!!!!

[Alvaro M. 6ºC - 28 de marzo de 2011 - 20:58]

Good questions and they were very easy.

[ALBA 6ºC - 28 de marzo de 2011 - 20:48]

I have done them I think they are easy because I habe been studing.
SEE YOU.

[Eva G.M. - 28 de marzo de 2011 - 19:41]

Thanksss Estii!!!!

[julia - 28 de marzo de 2011 - 17:36]

tankssssssssss Estibaliz¡¡¡¡¡ =)

[Anónimo - 28 de marzo de 2011 - 17:21]

They were very easy!!!!!!!

[Maria 6ºA - 28 de marzo de 2011 - 17:07]

thanks you Estibaliz¡

[Inés 6ºA - 28 de marzo de 2011 - 15:25]

thank you estibaliz ! i´m going to do it now!