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K-6 Activities - Dudley Observatory

K-6 Activities - Dudley Observatory

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Objective<br />

Celestial Movement, Activity 4-2<br />

The student should be able to describe the general east to west movement of the sun,<br />

the moon and other stars.<br />

Procedure 1<br />

• Set the Starfield Cylinder for 12:00 a.m. in the month of December at your home<br />

latitude. Have the students observe the constellation, Orion.<br />

• Advance the cylinder one hour, observing the same constellation.<br />

• Rotate the cylinder platform until Orion disappears below the western horizon<br />

and continue until it reappears on the eastern horizon. Have the students discuss<br />

the observed directional movement of the constellation. Point out that the movement<br />

is an east to west movement.<br />

• Demonstrate the east to west movement of the sun and moon.<br />

Procedure 2<br />

• Use the same procedure as above, substituting months for the hourly settings.<br />

Specify that the monthly observation needs to be made at the same time of night<br />

each month.<br />

• Discuss the similarity in east-west movement.<br />

Extension Activity<br />

Set up a slide projector on the ecliptic slide projector mount. Set the mount at the 30°<br />

setting. Use the moon slide set and demonstrate the motion of the moon by turning the<br />

swivel base from east to west. Discuss east to west movement of the moon.<br />

Materials<br />

• STARLAB Portable Planetarium<br />

• Projector<br />

• Starfield Cylinder<br />

• ecliptic slide projector mount<br />

• moon slide set<br />

• 35 mm slide projector<br />

• B–57 • K–6 <strong>Activities</strong>

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