These are all labs, activities, and informative pages that I have written or co-written.
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Information Pages:

• The Phases of the Moon - description of the phases of the Moon, and a simple experiment to demonstrate why the moon has phases.
• The Lives of the Stars - pictorial description of the stages of stellar evolution.
• A Gallery of Galaxies - pictorial description of the different types of galaxies.

Activities, Labs, and Experiments:

• The Phases of the Moon - description of the phases of the Moon, and a simple experiment to demonstrate why the moon has phases.
• The Moon and its Phases (Lab) / pdf - undergraduate non-major astronomy lab.
• Planetary Orbits and Kepler's Laws (Lab) - undergraduate non-major astronomy lab.
• The Cepheid Distance Scale (Lab) - undergraduate non-major astronomy lab about finding the distances to other galaxies.
• The Incredible Expanding Rubber Band Experiment / pdf / expanded pdf - simple experiment demonstrating Hubble's Law and the expanding universe theory.
• How Much Science in Science Fiction? (Lab) - fun lab utilizing astronomy knowledge to "debunk" a science fiction movie.