In his book Becoming a Critically Reflective Teacher (1995) Stephen Brookfield puts forward the theory that we use four lenses thorugh which we can look at and reflect critically on our performanace. The lenses are:
In addition teachers should ask themselves questions after a teaching session such as: What went well? Why was this? How can I do it again or make it even better?.......... What didnt go so well? Why was this? How can I stop it happening again? What do I need to do?
Hope this helps!
S
the cinemas,brookfields
There are a lot of Brookfields. I only know of Brookfield Wisconsin in SE part of the state, and that is where the High School(s) are.
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Objective lenses are convex lenses.
there are two types of optical fiber,the first type is single mode fibers.the second type is multimode fibers.
There are many different lenses for cameras; Wide angle lenses, standard lenses, portrait lenses, telephoto lenses and more. Canon has its own brand of lenses but also Sigma y Tamron are offering compatible lenses for it, it just depends on the price and the quality you are looking for
Carl Zeiss sell a wide range of lenses including: eyeglass lenses, camera lenses, cinematography lenses and also lenses for technical applications which assist scientists and engineers.
All microscopes have lenses. Some types of lenses are eyepiece lenses, objective lenses, and condenser lenses.
The two types of lenses are converging lenses (also called convex lenses) and diverging lenses (also called concave lenses). Converging lenses converge light rays to a focal point, while diverging lenses cause light rays to spread out.
Some examples of diverging lenses include biconcave lenses, planoconcave lenses, and concavo-convex lenses. These lenses are thinner at the center than at the edges, causing light rays passing through them to diverge. Diverging lenses are commonly used in combination with converging lenses to correct vision problems.
Convex lenses are curved inward. Concave lenses curve outward.
Lenses is known as a virtual lenses. This is something that you put on the eye to help see better.