Re: Use of CBL's

[mjoshua <mjoshua@SUN1.MC.MARICOPA.EDU>]

Thank you
Mangala Joshua


Jim Ealy wrote:

> In a message dated 2/6/99 12:01:11 PM Eastern Standard Time,
> mjoshua@SUN1.MC.MARICOPA.EDU writes:
>
> << a) Do you use CBl's moderately, extensively   ,or for a few experiments.
>
> For every experiment in regular, honors and AP.  I just invented a way to use
> the light probe for the ripple tank.  I use a motion detector to get the
> molecular mass of a gas.
>
>  b) Brief description of how successful these experiments are in your
>  classroom.
> Very successful, otherwise I would not do it.  I've been doing this since the
> CBL was invented.
>
>  c) Problems you encounter.
>   >>
> None that were not there with traditional equipment and most of them are gone.
>
> Please understand I may be the only one using CBLs. most of my colleague
> insist that the ULI or MBL is the ONLY way to go, etc.  It's the same probes
> -but they are just too arrogant
>
> Jim Ealy
> Education by Demonstration
> Jim_Ealy@RCDS.RYE.NY.US
> My wife an I just did a 1/ 1/2 presentation of science experiments/demos with
> the CBL at T^3 conference at Chicago.  The balloons that are connected and
> blown up to different sizes is very obvious with a pressure probe.