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Astronomy Without A Telescope Activities For Year 11 Physics. Paul Fitz-Gerald Ivanhoe Girls’ Grammar School STAV Physics Teacher’s Conference Feb. 15th 2008. “Astronomy compels the soul to look upwards and leads us from this world to another” - Plato (428 BC - 348 BC).

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astronomy without a telescope activities for year 11 physics
Astronomy Without A TelescopeActivities For Year 11 Physics

Paul Fitz-Gerald

Ivanhoe Girls’ Grammar School

STAV Physics Teacher’s Conference Feb. 15th 2008

“Astronomy compels the soul to look upwards and leads us from this world to another” - Plato (428 BC - 348 BC)

slide3
Introductory Question Sheet

• explore student’s current understanding of

celestial movement in our solar system.

sun shadow watching with a simple sundial what can be learnt from this activity
Sun Shadow Watching With A Simple Sundial

• What can be learnt from this activity?

slide5
• local midday

• geographical North/South line

• local magnetic declination

• local latitude

• Earth’s diameter via Eratosthenes

solar scope watch the movement of a projected image of the sun
Solar Scope

• watch the movement of a projected

image of the sun

slide8
Sidereal Scope

• measure the time it takes the Earth to rotate once about its axis.

23 hrs 56 min 36 sec Mill Park Jan. 2008

23 hrs 56 min 27 sec Kinglake Jan. 2008

• choose a bright star near the celestial equator for fastest angular motion.

slide9

Star Trail Photos

• camera pointed at celestial pole

• use the star trail photo to determine latitude

• length of photographic exposure

• time of shutter opening/closure

• use of R.A. & declination for star positions

slide11
Moon Observations

• extended period of observations

• geometry of S, M & E

motion

• length of lunar month

slide12

Astrowatch

• Simple daytime sundial

• Southern Cross time at night

slide13
References:

Electronic copies of all documents

Can be found on the DVD.

This includes scans of star

maps, star trails, map of Victoria,

sundial compass rose and articles

from the Physics Teacher.

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