Lost in Space: Bone Density

If you don't use it, you lose it. Groups work together to compare bone loss on Earth as opposed to bone loss in space. They determine the equations that model bone loss and make calculations to determine the amount of bone loss for specific time intervals. The groups determine whether astronauts can be within the allowable bone loss parameters during an extended space flight.

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CCSS: Adaptable
Instructional Ideas

  • Compare the bone loss if it was calculated as a constant percent rate per time period as opposed to a constant rate per time period
  • Review working with and calculating percents with the class as needed
Classroom Considerations

  • Notice that the bone loss is the same amount for the time frame and not a percentage loss
Pros

  • The teacher section contains time allotments for each portion of the lesson
  • The answer sheet shows the calculations needed to arrive at the answers
Cons

  • None