The Science of Structures Date Name 1. What is tension? 2. What does tension do to materials? 3. What is compression? 4. What does compression do to materials? 5. What happens to a beam when it is loaded? 6. Why is steel a good material for cables? 7. What is wrong with a stone suspensipn bridge? 8. What is reinforced concrete? 9. What is a live load? 10. What is a dead load? 11. What is a dynamic load? 12. What is the best shape for a heavy load? 13. What is a keystone? 14. Where does the force on an arch go? 15. What is an abutment