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Difference between revisions of "The falling tower"
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== Introduction == | == Introduction == <!--T:1--> | ||
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[[File:FallingTower.png|thumb| The Falling tower. Aim the robot and use the simplest steering block (with two motors) to setup the driving distancs.]] | [[File:FallingTower.png|thumb| The Falling tower. Aim the robot and use the simplest steering block (with two motors) to setup the driving distancs.]] | ||
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Make a collision between a robot and a tower. The challenge is very exciting and fun. You get even more fun if the tower is located at the corner of the table, and the robot runs on a table. | Make a collision between a robot and a tower. The challenge is very exciting and fun. You get even more fun if the tower is located at the corner of the table, and the robot runs on a table. | ||
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The tower can be made of almost any material, eg Legos, toilet paper rolls or wooden blocks. | The tower can be made of almost any material, eg Legos, toilet paper rolls or wooden blocks. | ||
=== Aim === | === Aim === <!--T:5--> | ||
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The pupil will learn natural numbers (ie. 1, 2, 3, . . ), and also decimal notation if the distance is suitable. | The pupil will learn natural numbers (ie. 1, 2, 3, . . ), and also decimal notation if the distance is suitable. | ||
Also, the angle of aiming to the target is elaborated. | Also, the angle of aiming to the target is elaborated. | ||
== Robot == | == Robot == <!--T:7--> | ||
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Almost any robot with wheels will do. | Almost any robot with wheels will do. | ||
=== Sensors === | === Sensors === <!--T:9--> | ||
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No sensors is used. | No sensors is used. | ||
== Example Video == | == Example Video == <!--T:11--> | ||
== Theory == | == Theory == <!--T:12--> | ||
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The robot drives a fixed length depending on the diameter of the wheel (and the gearing ratio). Estimate the driving distance of the the robot. | The robot drives a fixed length depending on the diameter of the wheel (and the gearing ratio). Estimate the driving distance of the the robot. | ||
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[[File:RotatingWheel.svg|thumb|The robot dives a fixed length depending on the diameter of the wheel (and the gearing ratio).]] | [[File:RotatingWheel.svg|thumb|The robot dives a fixed length depending on the diameter of the wheel (and the gearing ratio).]] | ||
== Exercises == | == Exercises == <!--T:15--> | ||
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* Consider why the ancient towers are round? | * Consider why the ancient towers are round? | ||
* Have two tables, one for training (without the tower or any markings), and the other with tower and marks. The pupils will learn estimating. | * Have two tables, one for training (without the tower or any markings), and the other with tower and marks. The pupils will learn estimating. | ||
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* Try different tires if you have some. | * Try different tires if you have some. | ||
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[[File:FallingTowerTable.png|thumb]] | [[File:FallingTowerTable.png|thumb]] | ||
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Back to [[Mahtavaa Matematiikkaa 2020]] | Back to [[Mahtavaa Matematiikkaa 2020]] | ||
