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4A Science
Chapter 15 Lesson 1
| Question | Answer |
|---|---|
| Name three ways something can move then give an example? | 1) straight - a baseball player running from home to 1st base 2) curve - a car turning 3) back and forth - a guitar string |
| What does curved motion take place around? | a center point |
| What is back and forth motion known as? | vibration |
| What do you call the change in one object's position compared with another object's position? | relative motion |
| How can you tell things around you are moving? | they change position |
| How can you tell you are moving? | by passing a fixed object |
| What defines a person's frame of reference (point of view)? | objects that don't seem to move |
| What is the rate at which an object changes position? | speed |
| What is an example of a unit for speed? | miles per hour |
| What combines both the speed and the direction an object is moving? | velocity |
| What do you call any change in the speed or direction of an object's motion? | acceleration |
| Give three examples of acceleration. | starting, speeding up and slowing down |
| What happens as a roller coaster speeds up or goes around a curve even if its speed doesn't change? | it accelerates |
Created by:
critmccoy
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