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	Science TODAY - The USA's Expanding Weight Problem

Activity Overview

This activity reveals the incidence of obesity in the United States. Students will analyze "The USA's expanding weight problem" and other data to construct a graph, analyze the trends in the data, and make predictions about the future.

Before the Activity

See the attached Teacher Edition PDF file for notes and guidelines for this activity. The Technology Guide PDF file includes step-by-step calculator instructions with screen shots. If you are using the TI-Navigator™ Classroom Learning System, see the TI-Navigator Basic Skills Guide PDF file for information on how the system can be integrated into your activity.

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During the Activity

Students will:

Plot and analyze data from a graph and a table.

Use the graphing calculator to build a mathematical model to represent data.

Predict future trends in obesity data from the mathematical model.

Make recommendations for healthy nutritional lifestyle choices.

Indicate the potential social and economic issues associated with an increasingly obese American population.

Directions:

Distribute the Student Edition PDF file to your class.

Follow the activity procedures outlined in the student document.

You may use the Transparency PDF file to display a large image of the USA TODAY® graphic during the activity.

Activity Downloads:

(file types)

1-06_expandingweightproblem_ST_SE.pdf
1-06_expandingweight_ST_TR_FINAL.pdf

After the Activity

Distribute the assessment questions or send the attached LearningCheck™ assessment to your class to gauge student understanding of the concepts presented in the activity.

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