Grade Level: 4th Six Weeks: 4th Overarching Concept: Continuity and Change Organizing Idea: Changes Over Time

Texas Debates Joining Union Manifest Destiny The Mexican War The Black Codes Cattle Drives Railroads Congress and the Capitol The President and White House The Supreme Court The System of Checks and Balances Checks and Balances Predicting the Weather Our Restless Atmosphere The Composition of the Atmosphere Heat, Water, and Air: Elements of Weather The Importance of Weather Forecasting Barometers: Measuring Air Pressure Anamometers and Wind Vanes A Look at Wind Thermometers: Measuring Temperature How Temperature Effects Air Hygrometer: Measuring Humidity Measuring Relative Humidity The Water Cycle Types of Clouds Cloud Types Meteorologists and Weather Forecasting Weather Fronts and Weather Maps How Maps, Graphs, and Charts help Meteorologists Observe Weather Using Weather Instruments to Forecast Weather

Internet Sites Chart PowerPoint Presentations Chart Link to the Scott Foresman Web site Elementary Curriculum Instructional Resources