Scientific investigation about the formation of images using the
Contents
1. The keypad of a calculator Suggest an explanation Hypothesis For the distant object For the close object For the object that is very close Cr1 Appropriate representation of the situation Formulation of hypotheses a Centre de d veloppement p dagogique Working document Linguistic review October 2014 3c_Investigation scientifique modele EN docx 2 05 06 15 Distant objects as far as possible landscape or a car in the distance Someone at the other end of the class Close objects about 30 cm book cover pencil case Measuring tape Very close objects Appendix 1 Ls The letters in a book User manual The keypad of a calculator for the model Based on the supplied equipment plan your process e If you must change the elements as you go along use a different colour pencil to adjust your initial plan Note You may use the space available on the next page as needed Centre de d veloppement p dagogique Working document Linguistic review October 2014 3c_Investigation_scientifique_modele_EN docx 3 05 06 15 Planning your process continued e If you must change the elements as you go along use a different colour pencil to adjust your initial plan Planning of steps in the plan of action manipulations diagram Development of a suitable of the assembly etc lan of action d Selection of resources materials equipment etc ar Observance of safety rules Rs of the2. centre de Name d veloppement p dagogique pour la formation g n rale en science et technologie Group images using the model of the eye Model of the eye Adjustment handle Ruler indicating the distance relative to the peak of the lens Adjustment handle Magnet on the handle Convergent lens with 10 eee i cm focal length This model of the eye will allow you to discover how images form using a convergent lens with a 10 cm focal length the focal point is located 10 cm from the lens It can generate well defined images of everything around you It may be a colleague s smile or a car turning the corner In addition this model is simple to use It is quick and easy to assemble To this end there is a user manual at the end of this document Appendix 1 Centre de d veloppement p dagogique Working document Linguistic review October 2014 3c_Investigation_scientifique_modele_EN docx 1 05 06 15 Your mandate Produce and carry out a process allowing you to determine the position of images formed by the model based on the distance of the observed objects The position of the image is indicated by the adjustment handle that slides along the ruler Here are three examples of objects to observe Distant objects as far as possible woe on Ser A landscape or a car in the distance A pencil case Very close objects Someone at the other end of the class The letters in a book
3. ions or conclusions in accordance with explanations the data collected and knowledge acquired solutions or conclusions Proposal of improvements Use of appropriate terminology rules and conventions Centre de d veloppement p dagogique Working document Linguistic review October 2014 3c_Investigation_scientifique_modele_EN docx f 05 06 15 Appendix 1 User manual for the model of the eye Introduce the screen completely into the tube in the direction indicated by the drawing Press the magnet on the handle against the tube being careful to align it with the magnet on the screen Note The screen should thus follow the movements of the handle Slide the handle so as to bring its magnet against the graduation on the ruler Press your face against the end of the tube opposite the lens trying to prevent as much outside light as possible from entering Point to a well lit object that you want to observe Slide the handle along the ruler until the image forms Centre de d veloppement p dagogique Working document Linguistic review October 2014 3c_Investigation_scientifique_modele_EN docx 8 05 06 15
4. plan of action Use of appropriate strategies and techniques nn Adjustments during the implementation of the plan of action Centre de d veloppement p dagogique Working document Linguistic review October 2014 3c_Investigation scientifique modele EN docx 4 05 06 15 Data Note and organise Appropriate Recording of data pe implementation a of Use appropriate types of representation tables oe i Centre de d veloppement p dagogique Working document Linguistic review October 2014 3c_Investigation_ scientifique modele EN docx 5 05 06 15 Difficulties and adjustments Note what you experienced Cr3 Appropriate implementation of the Adjustments during the implementation of the plan of action plan of action Centre de d veloppement p dagogique Working document Linguistic review October 2014 3c_Investigation_scientifique_modele_EN docx 6 05 06 15 Are your hypotheses confirmed or refuted For the distant object L Confirmed a Refuted For the close object L Confirmed a Refuted For the object that is very close L Confirmed L Refuted Why Explain your choice based on your results and observations What do you take away from this process what is the most important thing to remember If you could start your investigation over explain what you would do differently and why Verification of consistency of the hypothesis with the analysis of Development of the results relevant Formulation of explanat
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