Wooden Scratch Model of Tupolev Tu-16A

View the video above and answer the questions below using the "comment" function.

1) Can you name the materials you see in this video?
2) Which material is harder? Why?

Your response may look like this:

1) The materials are __________ and ___________.
2) ___________ is harder than ____________ because ____________________________.

From: ____________ / 3 Grace