School Improvement in Maryland

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Standard 5.0 Physics

Topic A. Mechanics

Indicator 1. Describe the motion of objects using distance traveled, time, direction, and speed.

Objective a. Observe, describe, and compare types of motion.

Selected Response Item

Two students with different masses investigated how their positions on a seesaw affected the movement of the seesaw. The students changed their horizontal positions on the seesaw and measured the highest point at the opposite end.

Question Image

How might the students best show periodic motion using the seesaw?

  1. by switching ends of the seesaw every 10 seconds
  2. by balancing the ends of the seesaw for 10 seconds
  3. by taking turns pushing off the ground every 10 seconds
  4. by moving from the end to the center of the seesaw every 10 seconds
/share/assessment_items/xml/items/msa_science_5_025.xml

Correct Answer:
C