Directions: Answer the following questions. Encircle the letter of the best answer. 1. Which of the following does not demonstrate motion? A. Ballerina dancing on the stage B. Mother walking on the street C. Ball rolling on the floor D. Pencil on the table 2. Why do we need to use the metric system of measurement? A. Because it is used by many scientists. B. Because it is important to describe motion. C. Because it is necessary to describe movement. D. Because it is easier to understand each other's data. 3. Which of the following is the standard unit of measurement used for distance or length? A. foot B. meter C. minute D. second 4. A jeepney travels 120 kilometers in 3 hours. What is the average speed? A. 40 km/h B. 43 km/h C. 60 km/h D. 120 km/h 5. It is the change of an object's position over the change of time. D. location A. position C. speed B. motion 6. It serves as the basis for which the movement of an object can be related to. D. distance A. reference point B. motion C. speed 7. A numerical description of how far the objects from each other. A. distance B. reference point C. speed D. motion 8. Which of the following demonstrates motion, with the other object as the frame of reference? B. a dog barking at the garage A. a boy jogging in place D. a boy running on a treadmill device C. a girl running towards his father 9. Why do we need to use an appropriate device in measuring lengths? B. To be familiar with the use of each tool A. To have an accurate data C. To have experience using tools like a ruler, meter stick, tape measure, etc. D. None of the above 10. Why do we need to use the metric system of measurement? B. Because it is important to describe motion. A. Because many scientists use it. C. Because it is necessary to describe movement. D. Because it is easier to understand each other's data.​