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Assignment 1:
How to make the planisphere “outside”.
4. The stars that are visible through the plastic should now also be visible in the sky above you.
Assignment 2:
This activity can be completed in class. To keep it simple, bear the following in mind:
Decide in advance which date is to be given to the learners, so that enough constellations and bright stars will appear in the window of the planisphere.
ASSIGNMENT 1
MAKE YOUR OWN PLANISPHERE
1. Draw or make a photostat copy of the following form on stiff cardboard and mark off the 24 hours of the day along the outside edge.
2. Cut out the section that is indicated, using a sharp cutter. Cover the opening with stiff plastic as indicated in the sketch.
3. Photostat the following star chart of the constellations in the Southern Hemisphere: cut it out along the outer edge and glue it to the cardboard.
IMPORTANT TO KNOW:
The names of the brightest stars are shown in bold print.
4. Make a small hole in each of the circles and use a paper clip to keep them together securely on top of one another, as in the sketch.
NOW USE THE PLANISPHERE AS FOLLOWS:
Rotate the top disc to align the relevant time with the date of the relevant day on the bottom disc. The constellations that are visible through the plastic window will be those that appear in the night sky on the particular date.
ASSIGNMENT 2
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Educator’s AssessmentCRITERIA | 1. | 2. | 3. | 4. |
1. Constellations indicated correctly. | ||||
2. Bright stars indicated correctly. | ||||
3. Neatness |
Learning Outcome 1: The learner will be able to act confidently on curiosity about natural phenomena, and to investigate relationships and solve problems in scientific, technological and environmental contexts.
Assessment Standard 1.2: We know this when the learner conducts investigations and collects data.
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