Real World Digital Measurement Activities for Educators
CBL or PDA Based Labs with Probes/Sensors
Click for larger image.
There are superb tools available using calculators and probes that enable
authentic math and science activities in elementary, middle and high school.
These tools cost far less than desktop computers. For example, dip the
temperature probe in a stream at different times of day and use the data
to create a graph from which to discuss the changes.
Handheld computers can also have the same probes (sensors) attached
that collect data, and then the PDA (handheld computer) in turn connects
to a desktop Mac or Windows computer system and uploads the data for further
analysis and exploration.
Watch this third grade instructor (Celeste Oprean) and students as they
actively use these probes with PDAs instead of calculators:
Handheld Calculators and
sensors: CBL curriculum and on this page, note the teacher discussion
groups linked towards the bottom of the page. CBL (Calculator Based Laboratories)
and probes (sensors) marketed by Texas Instruments and by calculators
and probes (sensors) marketed by Vernier.
PhysLab is a teacher developed
integration of this CBL technology at the High School level.
The Globe Project uses CBL equipment
to carry out part of its data collection. Fairview School and others in
Western North Carolina participate in this project. The GLOBE Program is
a hands-on science and education program that unites students, teachers,
and scientists from around the world in study and research about the dynamics
of the Earth's environment. Hundreds of thousands of GLOBE students in
over 8000 schools in more than 85 countries are taking important environmental
measurements and reporting their data for use by scientists. The
GLOBE Program is implemented through a worldwide network of primary and
secondary schools. GLOBE students:
take environmental measurements at or near their schools,
report their data through the Internet to the GLOBE data archive,
create maps and graphs to analyze GLOBE data sets, and
collaborate with scientists and other GLOBE students around the world.
For reasons of cost, motivation and instructional effectiveness, the use of
sensors and probes is an important next advancement in school practice.
Chapter Home Frame 3/19/2004
Page author: Houghton