<nightsky p.3>

Observing the Night Sky p.3
*activities available as photocopies

ACTIVITIES on Stellar Magnitude and Parallax

	*The Inverse Square Law* Lab on the propogation of light and its brightness with distance.		*More Inverse Square Law* Java applet on the inverse square law - you can take and plot data.
	*The Stellar Magnitude System* Read and summarize this article.		*Determing the Brightness of Binary Stars* This isn't the right link - i have to find it.
	*Alien Eyes* Online interactive game on parallax and vision through the eyes of an alien.		*Determing Distances: Parallax* A lab explaining one method of determining the dist. to stars. Inv. 9 is an alt. activity.
	*Parallax Java Applet* Play with this applet on parallax. More on stellar distances		*Magnitudes and Parallax Review Do pages 3B, 3C and 3D in "Milliken's: The Universe" (in classroom).

US Time Zones

ACTIVITIES on Time and Seasons

*Time and Seasons
A packet on time, calendars, seasons. Make a sundial and a nocturnal. Time and Seasons Tutorial
Read and answer the questions.

Time and the Amateur Astronomer
Read and summarize this article. *How Many Days are in a Year?
Design a calendar for an imaginary planet. Use with the activity "Making Months".

*Making Months
Design a calendar for an imaginary planet. Use with the activity "How Many Days in a Year". *The Length of a Day
Measure the length of a day using the rotation of Earth and celestial landmarks.

	*Time and Seasons A packet on time, calendars, seasons. Make a sundial and a nocturnal.		*Time and Seasons Tutorial* Read and answer the questions.
	*Time and the Amateur Astronomer* Read and summarize this article.		How Many Days are in a Year? Design a calendar for an imaginary planet. Use with the activity "Making Months".*
	*Making Months Design a calendar for an imaginary planet. Use with the activity "How Many Days in a Year".		*The Length of a Day Measure the length of a day using the rotation of Earth and celestial landmarks.