Sunshine

• It has a glass sphere surrounded by a metal frame.
• On the frame is attached a sensitive card.
• The sphere focuses the sun’s rays onto the card.
• As the sun moves across the sky it burns a trace on the card.
• At the end of the day the card is taken out and the length is measured in hours and minutes.
• There are digital versions that continually record the amount of sunlight.
• Sunshine is important for various activities for example solar drying of crops or solar energy generation.

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