среда, 10 февраля 2016 г.

Pokemon Catapult - Science Sparks

Pokemon Catapult - Science Sparks
Pokemon Catapult - Science Sparks

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How to make a Pokemon catapult


Materials


Wide lollysticks


Elastic bands


Other items to test


Double sided tape


Milk bottle top


Sharpies to decorate


Instructions


Follow the video below to construct your catapult



Investigation Ideas – remember to only change one variable at a time


What happens if you add more lollypop sticks to the central core of the catapult?


What happens if your catapult end is shorter?


Would a smaller or lighter ball travel further?


Can you make a different style of catapult? We have some more catapult ideas in this post.


Can you make a giant catapult?


Why does this happen?


When you push down on the milk bottle top, the lolly stick catapult arm bends, giving it energy, when the arm is released the energy is released and transferred to the ping pong ball which flies through the air.


The further down the lolly stick is pushed the more force is used, which gives the lolly stick more energy to transfer to the ping pong ball, meaning it travels further.


Links to Maths


Create a target with different numbers on different areas, use the catapult to aim the ping pong ball at the target. Add your scores together each time.


Can you add areas on the target where if you hit that area your score is doubled or halved?


Can you measure how far the ping pong ball has travelled, what will you use?


Pokemon Catapults

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Original article and pictures take http://www.science-sparks.com/2016/08/13/pokemon-catapult/#_a5y_p=5676982 site


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