Scratch activities
In technology we did 2 exercices.
The first activity. We need to build a barrier that go up and down with a reducing mechanism when a object is approaching and it makes sound when it turn down, to warn the needy. |
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The second activity. We need to assemble the mechanism that moves two levers simulating the mechanism of a car sewer,. This mechanism has 2 devices, (inclination 2 - slow speed / incline 4 fast speed). When the bars are stopped they are in horizontal position. |