SciLinks from NSTA: Selected by Science Educators

Helium Lesson Plans

Helium Balloons (Middle School) Assessment

With a partner, write a paragraph addressing the following questions:
  1. Why is the following warning placed on most spray cans: "DO NOT place in hot water or near radiators or stoves. DO NOT incinerate, even when empty. DO NOT store at temperatures above 120° F."
  2. Why does a car's tire pressure increase during summer months?
  3. Why do car or bicycle tires seem under-inflated in winter months?
CATEGORY
10
8
6
4
Accuracy of Facts (Content) All supportive facts are reported accurately. Almost all supportive facts are reported accurately. Most supportive facts are reported accurately. NO facts are reported OR most are inaccurately reported.
Focus on Topic (Content) There is one clear, well-focused topic. Main idea stands out and is supported by detailed information. Main idea is clear, but the supporting information is general. Main idea is somewhat clear, but there is a need for more supporting information. The main idea is not clear. There is a seemingly random collection of information.
Conclusion (Organization) The conclusion is strong and leaves the reader with a feeling that they understand what the writer is "getting at." The conclusion is recognizable and ties up almost all the loose ends. The conclusion is recognizable, but does not tie up several loose ends. There is no clear conclusion; the paper just ends.

Date Created: 2001-11-28

Copyright 2001, High Plains Regional Technology in Education Consortium

 

 

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