Activities/Exercises: Activity No. 1: Identify the word or group of words described in each sentence. 1. It is the distance travelled over a certain period of time. 2. It is an instrument used to measure speed. 3. It is a decrease in the speed or velocity of a moving object. 4. It is described as a change in position. 5. It is an increase in speed or velocity. 6. A fast moving object has what speed? 7. A slow moving object has what speed? 8. What object has a zero speed? 9-10. Are both used to describe motion. brainlys ko