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Grade 3 Social Studies: Unit 2 Student Vocabulary

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0. interdependence
1. natural resources
2. economic problems
3. consumer
4. phonograph
5. services
6. producer
7. technology
8. invention
9. opportunity cost
10. barter
11. discoveries
12. improvements
13. resources
14. human resources
15. media

0. special materials or tools that help someone do a job
1. do only one kind of job in the production of a good or services
2. important new discoveries that can be used to solve problems
3. a good or service made with resources
4. tools, machines, methods, and other things used to perform ...
5. information that a producer provides about products and ser
6. a number of things from which to choose
7. people who buy and use goods and services to meet eco wants
8. depending on someone else for goods or services
9. money that people earn for their work
10. the act of seeing or finding out something for the first time
11. occurs when people can’t get everything they want
12. to trade goods for other goods without using money
13. a process of making a product, either a good or a service
14. actions (jobs) that people do for each other
15. different ways of communicating