13) kyle found a small, round, smooth rock when walking by a creek. which sentence tells what might have happened to the rock? a) the rock was weathered by water, sand, and other rocks. b) the rock came out of the inside of a larger rock that broke. c) the rock came out of a volcano and rolled down the mountain. d) the rock was shaped like that when it was formed many years ago. 14) sediment is formed by a) soil erosion. b) weathered rock. c) burial and melting. d) deposited snow and ice. 15) a huge, jagged rock sits atop a windy cliffside. over a period of many years, how will the rock most likely change? a) it will become larger and smoother. b) it will become smaller and smoother. c) it will become bigger and less smooth. d) it will become smaller and less smooth. 16) wheel diameter for car project wheel radius (cm) time to travel distance (seconds) maximum load able to carry (lbs) 10 11.2 3.2 12 13.1 5.7 15 18.1 6.1 a class project requires groups of students to construct a toy car powered by a mouse trap. one group collects data on how the size of the wheel affects the speed the car travels a distance of 5m under different loads. which radius would be best design if the goal was the to build the car that can carry the most weight? a) the 10 cm radius wheel b) the 12 cm radius wheel c) the 15 cm radius wheel d) there is not a clear choice. 17) moves river of ice fresh water made of fallen snow snow compressed to ice this is a list of features of a(n) a) glacier. b) ice age. c) ice berg. d) continent.