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SocialStudiesScience
5th SocialStudies/Science Test Practice
| Question | Answer |
|---|---|
| prototype | an experimental version of a design or product |
| propulsion | a force that acts to speed an object |
| unbalanced forces | forces that aren't in equal or opposite directions; cancel each other out so that there isn't a push or pull on an object; changing its current state of motion |
| nozzle | the piece of plastic tubing that controls the escape of the air from the balloon |
| acceleration | an increase or decrease in the speed of an object caused by a force |
| alignment | wheels positioned so the vehicle travels straight |
| balanced forces | when forces act on an object, such that they are in equal and opposite directions and "cancel out" |
| air resistance | friction due to collision of moving objects with air moelecules |
| potential energy | the energy that is stored in an object |
| circumference | the distance around a circle |
| kinetic energy | the energy an object has due to its motion |
| at the geginning of the American Revolution, British troops fought against | colonial militias and Minutemen. |
| Although Thomas Jeffereson believed in equality, he still | owned slaves. |
| An important task facing the Second Continental Congress was to | organize the colonies for war. |
| Something that helps initiate the Declaration of Independence? | Great Britian has ruled the colonies. |
| Colonists rang bells and lit bonfires for the Declaration because they were | excited! |
| The booklet Common Sense persuaded American Colonists to | want independence. |
| The purpose of the Declaration of Independence was to | explain why the colonies should be free. |
| The main writer of the Declaration of Independence was | Thomas Jefferson |
| Market Economy | can be described with a circular flow model |
| Circular Flow | the pattern in which goods and services and resources flow in the market place |
| Incentives | reward or penalties that influence the decisions people make |
| scarcity | not having enough resources available to purchase |
| limited resources and unlimited wants | cause scarcity |
| Economics | is the study of how people use resources and how goods and services are produced and sold. |
Created by:
swinsoa
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