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Experiment
Shadow Stick Sundial
Use a stick and its shadow to tell time the way people did before clocks.
3 hours (5 min every hour) Easy
📋 What You'll Need
- •A straight stick about 1 foot long
- •An open, sunny spot of ground
- •Small rocks or pebbles
- •A notebook
- •A watch or phone to check the time
👣 Step by Step
🔍 What to Observe
- •Which way did the shadow move over time?
- •Did each mark match the real time?
- •How could you use this to tell time without a clock?
💡 Tips & Safety
- •In the Northern Hemisphere, shadows move clockwise throughout the day.
- •This is how sundials work — and why clock hands move the direction they do.
- •The shadow is shortest at noon when the sun is highest.