For our science lesson, my partner and i taught a lesson on observations to our first grade class. Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. Reflection rachel wologo learning goals and strategic functions. An experience using reflection in software engineering abstract this paper reports the results of a case study where two different reflection mechanisms were used in a couple of graduate courses in the area of software engineering. Using the equations for calculating reflection and refraction, you can predict where rays encountering a surface will go whether they reflect or refract bounce off the surface or bend through it which is an important concept in the study of optics. Reflection has attracted considerable attention recently in. The simplest example of visible light reflection is the surface of a smooth pool of water, where incident light is reflected. Computational reflection is the ability of a program to modify itself while running. There are many explanations on why this form of decisive thinking has been ignored in our country. For me it is a way of getting class names at runtime and creating objects of that class. Light can behave in some ways as a wave and in other ways as if it were composed of particles, several independent theories of light reflection have emerged. Im particularly interested in java, but i assume the principles are the same in any language.
Regular reflection definition of regular reflection by. Is java instanceof operator considered reflection, and. A function has a name, and it can be called from other points of a program. Reflection can occur for sound waves allowing a persons voice to carry around a corner, water waves, and light waves. This is an activity for early in the semester that asks student to reflect on their understanding of the process of science, participate in an activity about. Reflection on a shiny surface like wood or tile can. It includes computer science, project management, engineering and other spheres. The definition of a reflection is a thought or writing about. Learn vocabulary, terms, and more with flashcards, games, and other study tools. By means of reification, something that was previously implicit, unexpressed, and possibly. An illuminated ideal diffuse reflecting surface will have equal luminance from all directions in the hemisphere surrounding the surface, i. Reflection journals, self reflection and academic achievement.
Over the past twenty years, the student population in computer science departments has become increasingly male, and the number of women among faculty members has remained quite small. Diffuse reflection is the reflection of light from a surface such that an incident ray is reflected at many angles, rather than at just one angle as in the case of specular reflection. Choose from 500 different sets of refraction reflection physical science flashcards on quizlet. Diffuse reflection an overview sciencedirect topics. That might be interesting to think about, especially since what i read does not make too much sense. Its power lies in being able to help you develop your understanding of the way you. Reflection is the process of accessing information about loaded assemblies and the types defined therein to create. An experience using reflection in software engineering. Reflection and refraction are two processes that change the direction light travels. Reflection journals, selfreflection and academic achievement.
You can use reflection to dynamically create an instance of a type, bind the type to an existing object, or get the type from an existing object and invoke its methods or access its fields and properties. By paul dickson computer science can feel like a field far removed from concepts like reflection. Reflection makes it possible to view the assembly information of an object such as events, properties, methods and fields. This interactive tutorial explores how light waves are reflected by smooth and rough. Reflection in computer graphics is used to emulate reflective objects like mirrors and shiny surfaces reflection is accomplished in a ray trace renderer by following a ray from the eye to the mirror and then calculating where it bounces from, and continuing the process until no surface is found, or a nonreflective surface is found. Diffuse reflection is the reflection of light from a surface such that an incident ray. This lesson will define reflection in the context of waves, summarize the types of reflection, and provide examples of reflection in action. A computableaddressable objecta resourceis created in a system as a proxy for a non computableaddressable object. Is there some way to motivate students to solve the procrastination problem. For example, it assists languages such as java to operate well in networks by enabling libraries for serialization, bundling and varying data formats. By integrating reflection on science, technology, and society in modules and projects, rather than offering it as a separate set of courses, the university of.
The main learning goals in our lesson were making purposeful observations of the natural world using the appropriate senses, generating questions based. In other words, reflective thinking will change an individuals ideas and their understanding of a situation. Regardless of whether light is acting as particles or waves, however, the result of reflection is the same. A reflection is an image that you can see in a mirror or in glass or water. Just as with humans, reflection depends on the capacity for independent reason, and particularly, reason about ones own processes. Continuous improvement models have been found to be effective in science 2, writing 3 and software engineering.
What is the definition of reflection,in science plz. Reflection of light introduction olympus life science. Reflection is a process of exploring and examining ourselves, our perspectives, attributes, experiences and actions interactions. For example, a function to add three numbers might have three parameters.
In my opinion, science and technology really change the world and it also have a great influence to our daily life. Reflection and software engineering lecture notes in. Reflections on the teaching of science in our world. Reflection is also a key strategy for metaprogramming. Scaffolding students reflection for science learning. Reflection seismic processing in the radexpro software. A feature of attributebased programming that allows an application to query its own metadata. Reflection is the process of accessing information about loaded assemblies and the types defined therein to create, invoke and access type instances at run time programmatically. Perhaps the best example of specular reflection, which we encounter on a.
The reflectivity of a surface material is the fraction of energy of the oncoming wave that is reflected by it. The name reflection is used to describe code which is able to inspect other code in the same system or itself. Art and science of reflection lt general arjun ray, pvsm, vsm re td introduction why we dont reflect. Regular reflection definition is reflection such that the angle of reflection of the light is equal to the angle of incidence and on the opposite side of the normal to the point of incidence. Reflection models based on microfacets that exhibit perfect specular reflection and transmission have been effective at. Early dependency analysis approaches have been developed by murphy et al. Reflection helps programmers make generic software libraries to display data. It helps us gain insight and see how to move forward. The simplest example of visible light reflection is the surface of a smooth pool of water, where incident light is reflected in an orderly manner to produce a clear. This book presents the state of the art of research and development of computational reflection in the context of software engineering.
Linn, chair research in recent decades has emphasized the importance of reflection for students learning science, but educators have not reached consensus on the. Reflection definition of reflection by the free dictionary. A reflective program has the ability to metaprogram. Reflection and refraction equations for predicting lights. Selfreflections currency as a topic of educational importance has resulted in the incorporation of reflection journals as learning tools that promote reflection into many curricula, including pbl mann et al. Reflection is the process by which light and heat are sent back from a surface and do not pass through it. The definition of a reflection is a thought or writing about something, particular in the past, or what one sees when looking into a mirror or body of water. Standard stages of basic cdp processing are shown, from geometry definition to stacking, that is the socalled minimal. Today, dependency analysis can be performed with software architecture management tools amts like. If the surface is smooth and shiny, like glass, water or polished metal. The students were put in teams and given topics to complete for their first science fair. An experience using reflection in software engineering dr. It involves reflecting on past experiences, reflecting on experiences as they happen and reflecting on actions that are planned for the future.
This is the definition of reflection according to wikipedia. Reflection provides objects of type type that describe assemblies, modules, and types. There are solid facts and concepts that need to be learned and once they are learned, students are set. I couldnt have said it better myself and highlighted the important part for your question. Common examples include the reflection of light, sound and water waves. Reflection is much slower than just calling methods by their name, because it has to inspect the metadata in the bytecode instead of just using precompiled addresses and constants. In computer science, reflection is the ability of a process to examine, introspect, and modify its. Reflection and software engineering lecture notes in computer science walter cazzola, robert j. Reflection allows an application to discover information about itself so that it may display this information to the user, modify its own behavior by using latebinding and dynamic invocation i. Specular and diffuse reflection olympus microscopy resource. In computer science, reflection is the process by which a computer program can observe do type introspection and modify its own structure and behavior at runtime.
Learn refraction reflection physical science with free interactive flashcards. Meg stared at her reflection in the bedroom mirror. Reflection dictionary definition reflection defined yourdictionary. Scaffolding students reflection for science learning by elizabeth anna davis doctor of philosophy in education university of california, berkeley professor marcia c. Programs capable of modifying their own source code, or the source code of some other program, during runtime are called. Alexandra martinez, university of costa rica alexandra martinez has been working since 2009 as an invited professor in the department of computer and information science at the university of costa rica ucr. Something, such as light, radiant heat, sound, or an image, that is reflected. The source code of the program is treated as data by itself os that appropriate modifications can be made by the program during runtime. The executive function company scientifically backed professional development, measurement, and interventions for all. David bolton is a software developer who has worked for several major firms, including morgan stanley, pwc, bae systems, and lch. Reification is the process by which an abstract idea about a computer program is turned into an explicit data model or other object created in a programming language. Reflection definition and meaning collins english dictionary. What does reflection in a programming language mean in. Reflection of light and other forms of electromagnetic radiation occurs when the waves encounter a surface or other boundary that does not absorb the energy of the radiation and bounces the waves away from the surface.
Self reflection s currency as a topic of educational importance has resulted in the incorporation of reflection journals as learning tools that promote reflection into many curricula, including pbl mann et al. Demo on seismic reflection data processing in the radexpro plus software. The act of reflecting or the state of being reflected. Reflection definition, the act of reflecting, as in casting back a light or heat, mirroring, or giving back or showing an image. At least part of the oncoming wave disturbance remains in the same medium.
Posted on friday, february 15, 20 in 5th grade, assignments, eases, expository, language arts,reflection, science. A learn ing jour nal was u sed in a software testing course whereas a two part reflection question naire. With the introduction of the twente educational model, the university of twente has given a unique shape to academic reflection in its programmes. Software engineering is more than just programming. Reflection is often used as part of software testing, such as for the runtime creationinstantiation of mock objects. Reflection dictionary definition reflection defined. The traditional definition of the beckmannspizzichino model is. Parameters identify values that are passed into a function. Computational reflection sometimes just called reflection is a computer process involving selfawareness. Reflection, abrupt change in the direction of propagation of a wave that strikes the boundary between different mediums.
401 1110 1104 923 915 642 88 1270 1255 518 530 923 221 1372 740 16 1295 1350 707 952 683 59 277 801 450 97 238 52 911 1256 897 263