May the Force be with You.May the Force be with You.

• What are some famous structures around the world? (bridges, towers, skyscrapers)

• What do you picture around these structures?

• Do you consider these structures to be safe?

• What makes a structure stable and safe?

Think about it….Think about it….

• Do you recognize any of these pictures?

Things to wonderThings to wonder• 1. Are the pictures describing what you 1. Are the pictures describing what you

originally pictured in your mind? originally pictured in your mind? • 2. What is common between the pictures?2. What is common between the pictures?• 3. What are some differences between the 3. What are some differences between the

pictures? pictures? • 4. Do you still think the structures you first 4. Do you still think the structures you first

thought about are stable and safe? Why or thought about are stable and safe? Why or Why not?Why not?