A sundial is the oldest tool used to tell time. Make a simple sundial using rocks, a paper plate, and a pencil. Track how the shadow made by the sun moves throughout the day.
Make Your Own Sundial (9780756581015)
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9780756581015
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A sundial is the oldest tool used to tell time. Make a simple sundial using rocks, a paper plate, and a pencil. Track how the shadow made by the sun moves throug…