Exploration • • •
Climate
Culture
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Weather Global warming Volcanic eruptions Changes NASA
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Comparisons • • • • •
Job market Endangered species Other planets Holidays Pippi and Ramona
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Economics • • • •
Solar System Electricity Metric system
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Free enterprise Location Raw materials interdependence
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Systems may provide a way to organize and categorize things. Systems may provide a common denominator for people to understand many topics. Systems may improve the quality of life for some people. The word systems, has many meanings. Human actions may impact climate causing negative changes in weather systems and the habitats of animals and plants in their ecosystems. A country’s economic system may be affected by an event in another country due to the interdependence of imports and exports between those countries. Changes may have positive or negative impacts on systems in our society. Economic systems may positively or negatively affect other systems.
Currency • • • • •
Money math Money history Collecting as an investment Probability math World-wide value of a dollar
Language State characteristics Learning a trade Transportation Celebrations Family history
Ecology • • •
Water Cycle Adaptions Mass extinction
Settlement • • • • • •
Explorers Hometown history Formation of the U.S. Colonial education City planning The Sign of the Beaver
Measurement • • • • •
Climatology Surface tension and buoyancy Cave formation and erosion Scale drawings Scale models