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Example of a wedge. Cutting wood

This is a wedge:

wedge-simple-machine-cross-section-splitting-its-length-oriented-vertically-wedges-used-to-split-things-58230570

Source: https://www.dreamstime.com/

 

The real name in Spanish is “Astilladora hidráulica” it’s connected to the engine of the back part of the tractor using the engine power.

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Posted by on 25 April, 2018 in 4EP, Machines

 

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Simple machines. 3ºEP Diagram

SIMPLE MACHINES

 
 

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JOBS

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SOURCE:https://es.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Jobs_and_occupations/Jobs_ix146ot

 
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Posted by on 18 April, 2018 in 4EP

 

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Renewable and non renewable energies. Lesson Diagram

 
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Posted by on 17 April, 2018 in Energy, science, water

 

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Archimedes and explanation of why a ship floats

Why do you think you can float, check this image and watch these two videos to understand this simple principle.

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Some of the Archimedes inventions

ARCHIMEDES SCREW.

 
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Posted by on 14 April, 2018 in 4EP

 

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Archimedes Principle 4°EP

This is the video we did in our class. The idea is that you check the amount of water (VOLUME) displaced when we introduce the glass with rocks. Depending on the weight of this glass if the volume is the same than upthurst the glass will float.

The second time when I introduce more rocks the volume and the weight of the glass is practically the same, it’s close to sink.

This is a cargo being loaded. You can see the amazing control of the weight in this huge ships.

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Posted by on 14 April, 2018 in forces

 

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Pulleys and simple machines. 4º

Our 4th year students are enjoying the fantastic simple machines  6th years boys did last week.

Their pulleys and levers can show us how effort or resistance work in these simple machines.

 

 
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Posted by on 13 April, 2018 in 4EP, Machines, pivot

 

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