This chapter is explain to enerugy's circulation.


We hope!

We hope that you read this page,and that you get many knowledge to energy and that you will used it.


click here! This is English!

You use meteorite collision of 65 million years ago.We learn about confused Earth environment by energy.

click here! This is Japanese!

ここでは6500万年前の隕石衝突をとうして、エネルギーによる地球環境の混乱を学びます。


Reference homepage.

ある恐竜homepage(One homepage about dinosaurs)(Japanese only)