School Improvement in Maryland

This Week’s HSA Item

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.

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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.

Monitoring Report for Biology

HSA Item of the Week

This item is one of the many resources available in the Science CLG Toolkit.

Biology

Use the information below to answer Numbers 36 and 37.

Use the information below to answer the following item.

Methyl mercury is a toxic substance that can harm the nervous system. Some fish are contaminated with high levels of methyl mercury. In many places, these fish are an important food source. Experiments are being conducted to determine how many meals of contaminated fish can be safely consumed. The table below shows the concentration of methyl mercury in the fish and the number of meals that can be safely consumed per month.

The table below shows the mean mercury concentrations in fish.

According to this table, which fish would be safest to eat?

  1. common carp
  2. channel catfish
  3. largemouth bass
  4. yellow perch

View answer and objective assessed

/toolkit/clg/public_release/science/2009_142_bio36.xml