To conclude the Eras unit, the students were challenged in building their own catapults or trebuchets. With one weekend to research ideas, collect materials and build they were highly motivated. They came up with some awesome machines!
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Through such activity they learned how the end of the Medieval Era came with the expanding trade routes (I.e. Silk Road), and thus, the sharing of knowledge and resources. Gunpowder being particularly noteworthy in influencing this time in history.

Here are the students waging war on their fort castle with their catapults and trebuchets.

Source:: GRADE 3 & 4 Blog