Steve’s introductory task for his students included a demonstration.
Steve had one of his students, "Billy" sit in a wheelie chair and move backwards
as quickly as he could by using his feet, which he did with no
problems. Then Steve told
him that he had to do it
again as quickly as he could without using his feet. This wasn’t
as easy – and was a bit funny. The class was then instructed to
reflect on the demonstration and answer the following question in their science
journals: Why was it difficult for "Billy"to move in the chair without
his feet touching the floor? Use one of Newton’s Laws to answer your
question. The class then discussed their answers with a partner and then shared as a whole group.
Sometimes Steve uses his introductory task demonstrations as a review of previously learned material (which this one was) and sometimes he uses them as an introduction for a new concept in more of a discovery fashion.
Students
acquire significantly greater understanding of material when traditional
lectures are combined with interactive demonstrations. Each step in interactive
demonstrations (predicting, experiencing, and reflecting) contributes to
student learning. Prediction links new learning to prior understanding. The
experience engages the student with compelling evidence. Reflection helps
students identify and consolidate that they have learned.
The
use of a demonstration connects an event, visual, or action with a concept that
will help students to recall the information later. In this situation,
students can think back… “Oh, Newton’s Third Law of Motion is like when "Billy"
was scooting in the wheelie chair.” Not to mention-- it was fun and had all of the students engaged!
Steve
also shared an activity that he does with all of his students on average twice
a quarter. He calls it his “Ostrich Activity.” In an attempt to
help students take responsibility for their learning he
provides them with a ½ sheet of paper with the following information that
they need to complete. He asks them to look up their current grade, list
any assignments they may be missing, AND provide a plan for improvement.
Steve said that many times students “bury their heads in the sand” (hence why
it is called the Ostrich Activity) when it comes to their grades and the hole
they may have dug for themselves but when they have to physically look it
up, find out what they owe, and crate a plan for improvement, it is right in
front of them and they can’t hide from it as easily - and of course he is there to support them and help them with their plan to improve.
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