This is a_______. It's ___________ structure.
nest/ natural
This is a_______. It's ___________ structure.
bridge/ artificial
This is a_______. It's ___________ structure.
tree trunk/ a natural
This is a_______. It's ___________ structure.
castle/ an artificial
This is a_______. It's ___________ structure.
cave/ a natural
This is a_______. It's ___________ structure.
chair/ an artificial
This is a_______. It's ___________ structure.
shell/ a natural
This is a_______. It's ___________ structure.
beaver dam/ natural
This is a_______. It's ___________ structure.
ladder/ an artificial
This is an_______. It's ___________ structure.
arch/ an artificial
These are _______. They are ________ structure.
wings/ a natural
To open the door you need to ______.
pull
To move the baby stroller you need to ______.
push
If a piece of paper is too big, you need to _____ it.
fold
To use this you need to______ it.
spin
We_______ when we wake up.
stretch
