HSA Items of the week can be used in a variety of ways by teachers, students, parents, tutors and other interested parties. They may be used as warm-up activity at the beginning of the class or as a review at the end of instruction. Students and parents can use them as an ongoing review to ensure that students have mastered and retained the content they are expected to learn.
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Use your mouse to select a grade from the subject categories below. This week’s HSA Item for that category will appear at right.
Student Handout with Answer Key, and Objective Information.
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Monitoring Reports
Students can keep a record of their progress on these assessment items by using the Monitoring Report, a tool that lists of of the grade level objectives assessed on HSA. The Monitoring Report contains space for entering multiple assessment results and diagnostic comments.
HSA Item of the Week
This item is one of the many resources available in the Science CLG Toolkit.
Biology
Use the information and the graph below to answer the following item.
A group of students measured the volume of air they exhaled during three different activities: sitting, walking, and running. The volume of exhaled air is directly related to the amount of carbon dioxide produced. The data the students collected are summarized in the graph below.

According to the data, as physical activity increases, the amount of carbon dioxide produced
- decreases
- increases
- remains constant
- decreases, then increases
View answer and objective assessed