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.
On this video you can see a fantastic solar panel moving an electric fan. All made with recycling materials!!
Check this video about machines and tools to learn more about this lesson.
Why do you think you can float, check this image and watch these two videos to understand this simple principle.
Some of the Archimedes inventions