Distance to the sun
This downloadable resource is an activity where students determine the distance to the Sun.
In this activity students use an image of the Sun to determine its distance from the Earth 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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