Illustrative Examples of Units of Practice

Tight Squeeze

Snapshot


This unit provides an activity for the use of the PASCO interface and an absolute pressure sensor within the Fluids unit of the APEF Science 8 curriculum.

Unit Details

Subject:                 Science

Learning Level:    Grades 7-9

Author(s):             Nancy Chisholm

Invitation


What happens to the pressure on air when the volume is altered?

Outcomes


APEF Science 8 Curriculum outcomes addressed in this unit:

Explain qualitatively the relationship among pressure, volume, and temperature when liquid and gaseous fluids are compressed or heated (309-4)

Describe the science underlying hydraulic technologies (111-5)

 

Situations


Science classroom, in groups.

This should be carried out as one activity of several taking place in the classroom simultaneously. Students will spend up to 20 minutes at the computer, in pairs or groups of three to carry out the activity and to respond to the questions.

Tasks


Interactions


Assessment


Tools


Comments


The tightsqueeze.ds file includes instructions for students to save their work using a different name. This new file will be used for evaluation and assessment.