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Year 3A – Telling the time, without a clock

As we learn more about the Romans, we have started to recall how different our life is now compared to their lives all of those years ago. We started to wonder how the Romans could tell the time, without modern inventions such as watches and clocks. We found that they used an invention called a sundial, which archeologists believe was invented around 1500 BC. It is an instrument that works on the concept of the sun changing its location in the sky throughout the day. Year 3A decided to put this information to the test by investigating if we could use our bodies as a sundial and measure the change in our shadow. If our shadow was to move, we could see which direction the sun was moving in and make an estimate of the time because we know when the sun is in the center of the sky it is midday.

 

Sacred Heart Catholic Primary School