11. All of the following is an example of thermal expansion EXCEPT ___________. * 1 point A. sagging of power lines during summer B. deformation of railroad during hot weather C. melting of ice when exposed to sun D. mercury seen rising inside the thermometer during high temperature

12. What happens to the particles of a matter when heat is released and temperature becomes lower? * 1 point A. particles expand and move farther from each other B. particles contracts and move closer to each other C. particles multiply and increases in numbers D. particles combine and form one giant particle

13. Heat transfer can cause thermal expansion * 1 point TRUE FALSE

14. Phase change is still a form of thermal expansion * 1 point TRUE FALSE

15. What is the use of expansion joints found in railroads and bridges? 1 point A. to allow the said infrastructures to freely expand and contract with temperature changes B. to strengthen the foundation of the said infrastructures and make it more passable to big vehicles C. to make the said infrastructures beautiful and pleasing to the eyes of the commuters D. to make the said infrastructures adapted to any kind of vehicles and forms of traveling​