The technology-based lesson I planned uses a GPS sportwatch, such as the one made by Garmin, to track students' paths and speeds when traveling to a destination on campus. When the students connect it to their computers, the sportwatch downloads information and displays data in graphic form. It generates a map that shows the path the students took and how fast they were going at any time. The students can find direction, distance, speed, displacement and velocity from the data.
The students work together in small groups on this project. This cooperative learning strategy has the benefits of giving peer support to those students who need scaffolding to accomplish the tasks, encouraging discussion of the concepts and the development of academic language. With each group made up of students of mixed-ability, and with roles assigned, students learn to work with others and be accountable to their teammates. When students discuss their ideas with classmates, they learn to think more deeply about the ideas to find support for their own opinions. They also learn to consider the opinions of others before coming to a conclusion. Additionally, working in teams is common in scientific explorations and investigations. Working in teams helps the students grasp how scientific knowledge is developed and expanded.
The viewing of a video tutorial in place of a lecture from the teacher is an example of direct instruction. The video gives the students the vocabulary and procedures they will need to conduct the investigation. Direct instruction is an evidence-based instructional strategy.
Further on in the lesson, the students use Excel spreadsheets to make calculations. The use of a spreadsheet tool, rather than calculating by hand, frees the students to think about the processes, procedures and concepts, rather than spending time doing arithmetic.
This lesson incorporates several types of student-centered learning strategies - inquiry learning, investigative group work and concept development. The students are introduced to a concept via an internet-based interactive tutorial. They are able to work with a group of peers gathering data to investigate those concepts. These activities also include the main elements of inquiry learning: students make observations, develop questions, identify patterns and work collaboratively as they conduct investigations. These strategies are evidence-based strategies, shown to be effective for science teaching.
Integrating technology into the curriculum allows for greater differentiation of instruction. When each student is using his own computer, he can go at his own pace. For example, with a video tutorial, the student can stop the video and review a portion he did not understand. He can also increase the playback speed if the tutorial is running too slowly to keep his attention. In this way, the direct instruction is paced to the student.
With these student-centered learning activities and use of technology, is the human teacher obsolete? Absolutely not! The teacher is the one who designs the learning activities, assesses the students for understanding, finds the appropriate technology and makes it available to the students. A teacher who keeps current with professional development, evidence-based learning strategies, and knowledge of content standards is essential for the implementation of these student-based instructional strategies.
"Dream on!" my colleagues may say as I talk about GPS devices for my students. I may not have all this technology at my disposal right now, but without my dreaming, progress toward these ideals will never take place. Dreamers and science go hand in hand. How much progress has been made by curious individuals looking at the stars and wondering...why? how? why not? Don't tell me to be realistic and accept the status quo - I want to find ways to reach and inspire every student! That's my dream...
