Distance to the sun
This downloadable resource is a student practical activity where an image of the Sun is used to determine the distance to the Sun using mathematics.
The ratio of distance to the width of the image is used to obtain an experimental value for the distance to the Sun, which students can compare to the known value.
This activity introduces the idea of sources of error and allows students to make a percentage error calculation based on their result.
The Sun needs to be clearly visible in the sky for students to obtain their measurements.
The experimental setup and the calculations can be performed anytime.
Students may need some teacher guidance with the calculations depending on their knowledge and experience with ratios.
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