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For our SESE project, we designed and made a Periscope. Our group consisted of Ciara Hanley, Meghan Walsh, Meadhbh Breathnach, and Claire Kirwan. Throughout this project, we explored all possibilities with the design, the creation and the materials used. During this project, we worked as a group and really enjoyed investigating the creation of a periscope. We hope you enjoy our work as much as we enjoyed making it!!

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A periscope is an instrument used for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position.

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Strand: Energy and Forces
Strand Unit: Light

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We would like the children to understand the following from completing this task:

1. That light can be refracted

2. Appreciate the importance of sight

3.Investigate how mirrors and other shiny surfaces are good reflectors of light

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-Would our periscope work?

-What materials are best suited to make the periscope?

-What dimensions the periscope had to be in order for it to work

-Would the refraction of light be successful?

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A stimulus for the children to help them understand the task at hand...
This video will help the

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How Do Periscopes Work? | Science for Kids

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Periscopes are mainly used to see above water in a submarine

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Johannes Gutenburg, known for his contribution to printing technology, marketed a kind of periscope in the 1430s to enable pilgrims to see over the heads of the crowd at the vigintennial religious festival at Aachen

The first naval periscopes were invented by Hippolyte Marié-Davy in 1854.

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*We decided to use cardboard as our main material. We used the cardboard from shoe boxes as we thought it would be sturdier and more durable than cardboard from a cereal box or other cardboard.

*We reinforced our periscope with duct tape as we wanted it to be waterproof and strong.

*We used a ruler to ensure our measurements were correct and that it would work

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After researching how to make a periscope we figured out that we had to place the mirrors at a 45 degree angle for us to be able to see clearly through the periscope

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We drew sketches of our periscope to begin so we knew what to do when we made it

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1. Measuring out the cardboard before cutting

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2. Cardboard we used to create our periscope

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3. Sturdy cardboard

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We drew our measurements on the cardboard before we cut them out.

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Our cut out cardboard

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The beginning of our periscope reinforced with duct tape

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Our finished periscope

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Overall, we were very impressed with how our periscope turned out. When we tested it out it worked really well. We were very happy that our periscope was sturdy and that it was very easy to see out of it

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1. We like the practicality of our periscope. It works really well.
2. We like the size of the periscope
3. We like the durability of our periscope and how we would be able to use it outside if it was raining

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What would we change about our periscope if we were to make it again? 

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What would we change about our periscope if we were to make it again? 

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We would definitely focus on the look of the periscope if we were to re-do the assignment. We felt that we could make it more visually appealing. Although we were delighted with how well it worked, we felt like we should have tried to improve the look of the periscope.

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To conclude our assignment, we really enjoyed designing, creating and testing our periscope. We feel like it would be an excellent task to do with a fifth or sixth class. This task can be integrated with many subjects such as Art (constructed), Maths (measurements), and Geography (trails). This task also improves the children's teamwork and problem solving skills. We thoroughly enjoyed this task and we feel we will definitely use a task like this in our future teaching careers.