Our central idea in u.o.i was, The world changes due to natural processes and human innovation.
My favorite thing is when we were learning how sand comes to the beach.
it is my favorite thing because we had to rip paper and it was fun.I also liked it because I learned how sand comes to the beach.I also liked it because I never knew that sand was rocks from a mountain.
Can a volcano pop up in your back yard:
could a mountain land forever: