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There's Something in the Air

Author(s): Nancy Moreno, PhD, Barbara Tharp, MS, and Judith Dresden, MS.


You will need the following activities for this lesson.

  • 48 meters of string or heavy yarn 
  • 6 metric tape measures or meter sticks
  • ¾-in. roll of masking tape
  • Stopwatch with a second hand, watch, or classroom clock
  • Orange, vinegar, air freshener


Before conducting this activity, measure and cut string or yarn into six-meter pieces. Arrange the pieces on the floor like spokes of a wheel around a central point.

With a marker or pieces of tape, make lines at the two-meter, four-meter, and six-meter points on each piece of string/yarn (adjust distances marked on the string depending on the size of your classroom).

Funded by the following grant(s)

National Institute of Environmental Health Sciences, NIH

National Institute of Environmental Health Sciences, NIH

The Environment as a Context for Opportunities in Schools
Grant Numbers: 5R25ES010698, R25ES06932

Houston Endowment Inc.

Houston Endowment Inc.

Foundations for the Future: Capitalizing on Technology to Promote Equity, Access and Quality in Elementary Science Education