Seeing around corners
http://www.sciencenetlinks.com/lessons.cfm?DocID=306
A lesson plan for grade 5 Science
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In this lesson, students will explore the concept of line of sight by recording the conditions under which they can and can’t see an object. They will then build a periscope and experiment with it to determine how this tool helps them extend their line of sight around corners, over walls, and beyond. The activities in this lesson help develop the ability to use increasingly sophisticated tools and techniques and improve their skills in measurement, calculation, and communication. Activities that have students make observations and measurements using instruments such as periscopes and microscopes help reinforce the relationship between technology and science. Science NetLinks provides student handouts, detailed instructions for completing the activity, and discussion questions for examination of concepts. The lesson plan also provides web links to “Submarine Periscopes and Approach Techniques” and a military website that explains how phototonic masts work.
North Carolina Curriculum Alignment
Science (2005)
Grade 5
- Goal 4: The learner will conduct investigations and use appropriate technologies to build an understanding of forces and motion in technological designs.
- Objective 4.01: Determine the motion of an object by following and measuring its position over time.
- Objective 4.06: Build and use a model to solve a mechanical design problem.
- Devise a test for the model.
- Evaluate the results of test.
