ENERGY and TECHNOLOGY

To make it easier to find last year's posts on these topics I've made a link so you just have to click on the different words and enjoy the videos and explanations again!
I hope you find them useful!

- Energy

- Energy Sources

- Renewable energy sources

- Non-renewable energy sources  

- Machines

- Simple and Compound machines poster

- Machines: an explanation in Spanish

RENEWABLE ENERGY SOURCES

Renewable energy sources can be used again and again.

From all these sources, it is important to remember that biomass and wood are only renewable if the trees and crops are replanted.


- Solar energy
- Wind energy
- Water - Hydroelectric power
- Biomass
- Geothermal energy 

Watch this video if you want to know more about the 10 Future Energy Sources.

And... if you have time you can watch Bill Nye the Science Guy full episode about energy!