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Constructivism philosophy of education
Constructivism philosophy of education
Constructivism philosophy of education
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Constructivism
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Definitions and Comparisons of Constructivism
Constructivism is a defined, when referring to the learner, as a "receptive act that involves construction of new meaning by learners within the context of their current knowledge, previous experience, and social environment" (Bloom; Perlmutter & Burrell, 1999). Also, real life experiences and previous knowledge are the stepping stones to a constructivism, learning atmosphere. (Spigner-Littles & Anderson, 1999). Constructivism involves the learner being responsible for learning the material and, not necessarily, the teacher (Ely; Foley; Freeman & Scheel, 1995). When learning occurs, the goals, values, and beliefs of the individuals need to be linked to the new data. Also, in constructivism, the person, who is taking in the knowledge, can somehow filter, amend, and reformat the information that he or she feels is important to the schema (Spigner-Littles & Anderson, 1999). A constructivist learner uses the creative approach to apply their own meaning to a topic using the social and cognitive circumstances around themselves (Bloom; Perlmutter & Burrell, 1999). A short and sweet summary of constructivism is "how one attains, develops, and uses cognitive processes" (Airasian & Walsh, 1997).
Constructivism versus Traditionalism
There are methods that are considered very different than constructivism that are used in the classroom. One of the approaches is the traditional approach where the teacher teaches the information to the student, and the student does not contribute as much or convey the prior knowledge of the material during instruction (Airasian & Walsh, 1997). It has been said that traditional teaching can segregate students, especially ones with special needs, in the classroom (Bloom; Perlmutter& Burrell, 1999). In other words, traditional instruction is a more teacher-centered approach that uses rote, fact based learning. The teachers create the values, behaviors, and beliefs for the students. The teacher is in charge of the classroom, where they have rewards and consequences, and the students work mostly by themselves (this is very different that the constructivist classroom, which will be explained) (Windschitl, 1999).
Characteristics and Roles in a Constructivist Classroom
There are many specific aspects of constructivism when relating it to the classroom and the learner, at whatever age. As mentioned before, the social aspect of constructivism is important in the classroom. The socialization and interaction are an essential part of the classroom. It is in a constructivism classroom where a child can use his or her social activity to be influenced or influence other students’ beliefs and values.
The invention of the cotton gin made growing cotton practical, and cotton began dominating the growing fields. Cotton was a crop that could be grown almost anywhere because it seemed to need only the land to grow in. Land that was once left empty because of poor growth capabilities was planted in the lucrative crop of cotton. Growing cotton allowed farmers to grow crops in fields that previously had to rest for a season. The southern farmers were able to realize a profit thanks to Eli’s labor and time saving machine.
The high rate of absorbance change in blue light in the chloroplast samples (Figure 1) can be attributed to its short wavelength that provides a high potential energy. A high rate of absorbance change is also observed in red light in the chloroplast samples (Figure 1), which can be accredited to the reaction centre’s preference for a wavelength of 680nm and 700nm – both of which fall within the red light range (Halliwell, 1984). Green light showed low rates of photosynthetic activity and difference in change in absorbance at 605nm in the chloroplast samples (Figure 1) as it is only weakly absorbed by pigments, and is mostly reflected. The percentage of absorption of blue or red light by plant leaves is about 90%, in comparison to the 70–80% absorbance in green light (Terashima et al, 2009). Yet despite the high absorbance and photosynthetic activity of blue light, hypocotyl elongation was suppressed and biomass production was induced (Johkan et al, 2012), which is caused by the absorption of blue light by the accessory pigments that do not transfer the absorbed energy efficiently to the chlorophyll, instead direction some of the energy to other pathways. On the other hand, all of the red light is absorbed by chlorophyll and used efficiently, thus inducing hypocotyl elongation and the expansion in leaf area (Johkan et al, 2012).
Photosynthesis is the process where plants transform light energy usually from sunlight into chemical energy and its balanced equation is 6CO2 + 6H2O –light energy----> C6H12O6 + 6O2 (Elsevier B.V.,LiveScience). Photosynthesis has major byproducts including water, glucose and starch(which is produced in the plant), and last but not least; oxygen. There are numerous amounts of plants all around the world producing CO2 necessary for human survival. However, the photosynthesis cycle is not visible which results in the plants appearing like they are not doing anything. One way to clearly prove that plants are indeed performing photosynthesis is to observe the plants giving off oxygen; which is one of the most important results of
Moreover, a future experiment is to determine the effect that the distance between the lamp and the solution has on the rate of photosynthesis. Several experiments with a similar setup to this experiment that vary the distances between the lamp and solution could be used to test this.
The concept describes that our knowledge is something to be constructed internally rather than reflected from external realities. After the initial proposition of constructivism there came about the idea that “a reasonable conclusion is that at least three levels of constructivist advocacy appear frequently in contemporary educational literature”, according to Null 2004. Those three levels include epistemological constructivism, which focuses on issues like race, gender, and class and how issues like these need to be fixed. Next is instructional constructivism, which focuses on individual learning in the classroom. The last is prescriptive constructivism, which focuses on the relationship between teacher and student and proposes that teachers instruct with their students rather than at their students. No matter what level it is being taught, the basis of constructivism is to move away from the traditional practice of teaching the classroom through lecture primarily, and to adopt teaching the classroom through
...tabolism of these molecules are spontaneous and does not require light to begin. Photosynthesis requires that chlorophyll is present to process light and at the same time is dependent on light therefore would not occur without one or both. It is obvious that they are both reliant on the other, without photosynthesis to produce the oxygen chemotrophs breathe in order to metabolize glucose for energy.
Watching a young child grow from infancy to toddler hood, we marvel at the amount of learning that has allowed her to understand her expanding environment. Those early years provide the basis for language, physical dexterity, social understanding, and emotional development that she will use for the rest of her life. All of this knowledge is acquired before she even sets foot in school! This child has taught herself by gathering information and experiencing the world around her. This is an example of constructivism. Constructivism emphasizes the importance of the knowledge, beliefs, and skills an individual brings to the experience of learning. It recognizes the construction of new understanding as a combination of prior learning, new information, and readiness to learn. Individuals make choices about what new ideas to accept and how to fit then into their established views of the world (Brooks & Brooks, 1995).
Powell, K. Kalina, C. (2009). Cognitive and Social Constructivism: Developing Tools for an Effective Classroom. Education, 130(2), 241-250. Retrieved from http://proquest.umi.com.dbgw.lis.curtin.edu.au/pqdweb?did=1937522441&Fmt=7&clientId=22212&RQT=309&VName=PQD. (Document ID: 1937522441).
Water is one of the factors that affect photosynthesis. A shortage of water can slow down or even stop photosynthesis. Temperature is also a factor. Photosynthesis depends on enzymes that function best between 0°C and 35°C. Temperatures above or below this range may damage the enzymes, slowing down the rate of photosynthesis. The intensity of light also affects the rate at which photosynthesis occurs. Increasing light intensity increases the rate of photosynthesis. After the light intensity reaches a certain level, the plant reaches its maximum rate of photosynthesis.
Cotton is bountiful throughout the planet. The crop is a cheap harvest, an easy craft, and a profitable one at that. The foundation of this crop dates back into the rise of civilizations to times of civil war, or even in times where cotton is sold frequently day by day. It has been cultivated to be one of the world’s most beneficial commodities known.
...nstructivism. Core to social constructivism practices is the creation of a social environment where students can use language to communicate, collaborate and socially interact with each other to learn. The prevalence of constructionist principals in current education attests to the importance of Vygotskys’ theories and their successful application in the classroom.
Constructivism is a method that says students learn by building their schema by adding to their prior knowledge by the use of scaffolding (Rhinehart Neas). Because the students are basically teaching themselves new information, the teacher is there mainly for support and guidance for the students.
Among many teaching styles and learning theories, there is one that is becoming more popular, the constructivist theory. The constructivist theory focuses on the way a person learns, a constructivist believes that the person will learn better when he/she is actively engaged. The person acts or views objects and events in their environment, in the process, this person then understands and learns from the object or events(P. Johnson, 2004). When we encounter a certain experience in our life, we think back to other things that have occurred in our life and use that to tackle this experience. In a lot of cases, we are creators of our own knowledge. In a classroom, the constructivist theory encourages more hands-on assignments or real-world situations, such as, experiments in science and math real-world problem solving. A constructivist teacher constantly checks up on the student, asking them to reflect what they are learning from this activity. The teacher should be keeping track on how they approached similar situations and help them build on that. The students can actually learning how to learn in a well-planned classroom. Many people look at this learning style as a spiral, the student is constantly learning from each new experience and their ideas become more complex and develop stronger abilities to integrate this information(P. Johnson, 2004). An example of a constructivist classroom would be, the student is in science class and everyone is asking questions, although the teacher knows the answer, instead of just giving it to them, she attempts to get the students to think through their knowledge and try to come up with a logical answer. A problem with this method of learning is that people believe that it is excusing the role of...
We must first look at the need for a constructivist approach in a classroom, to do this we think back to our days in primary school and indeed secondary school where textbooks we like bibles. We were told to take out our books, look at the board, and now complete the exercise on page z. This approach in a class is repetitive, the teacher holds authoritarian power and learning is by no means interactive. “In a traditional classroom, an invisible and imposing, at times, impenetrable, barrier between student and teacher exists through power and practice. In a constructivist classroom, by contrast, the teacher and the student share responsibility and decision making and demonstrate mutual respect.” (Wineburg, 2001) This approach focuses on basic skills and strict adherence to the curriculum. Children are being forced to learn through repetit...
Without photosynthesis there would be no food chain or life on earth other than the autotrophic organisms. Plants use the glucose as food, energy for them to survive, and herbivores and omnivores use plants as food, energy for them to survive. Plants are the bases for all food chains, and without them there is nothing else. Plants make their own