Discovering Sundials: How They Work and Making Your Own

Explore the fascinating world of sundials through learning objectives, key questions, making instructions, and plenary reflections. Understand the principles of using sundials to tell time and how they work with the Sun. Dive into creating your own sundial and ponder over the mysteries of shadows and light. Engage in an interactive learning experience about this ancient timekeeping device.

• Sundials
• Timekeeping
• Shadow Play
• Sun Science
• Learning Activity

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Uploaded on Jul 23, 2024 | 4 Views

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1. Sundials www.schoolsobservatory.org

2. Learning Objectives To understand how a sundial works with the Sun To understand how a sundial can be used to tell the time. www.schoolsobservatory.org

3. Key Questions Q: What gives us the light we need to see? Q: What causes a shadow? Q: What happens to the shadow if the light source moves? www.schoolsobservatory.org

4. Making a Sundial 1. Cut around the outer edge of the sundial 2. Fold the centre vertical line up and the two True North lines down to create a triangle. This is called the Gnomon. 3. Glue inside the triangle to ensure it keeps its shape 4. Take your sundial outside and point it north www.schoolsobservatory.org

5. What A Good One Looks Like www.schoolsobservatory.org

6. Plenary Q: Why does the sundial create a shadow? Q: Why does that shadow move throughout the day? www.schoolsobservatory.org