Curated OER
Spectral Lines
Slides and slides of emission spectra bring this topic to light for your physics class! Exited electrons returning to lower energy levels is offered as the cause of emission spectra. In summary, viewers learn that we can determine the...
Curated OER
Light and Elements
Here is a full-fledged investigation of light waves, the electromagnetic spectrum, and element spectra. Physicists research a scientist that contributed to our understanding of the behavior of light. They take notes on your lecture, and...
Curated OER
The Speed of Galaxy Q2125-431
In this speed of a galaxy worksheet, students use a given equation for the speed of an object and they use the spectral lines for Hydrogen Alpha and Beta from the Seyfert galaxy to answer 6 questions. They determine the observed...
Curated OER
Physics 210 - Frequency
In this frequency instructional activity, students use the speed of sound to determine the frequency in which sounds are heard in 5 different word problems.
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Meet the Neighbors: Planets Around Nearby Stars
Learners explain why a transiting planet causes a periodic dimming in the light from its parent star. They determine the radius of a planet, and its orbital distance, by analyzing data and manipulating equations. Students compare the...
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Galaxies and the Universe
In this galaxies learning exercise, high schoolers review 12 terms associated with the Milky Way and galaxies in general. Students fill in the blank of 12 statements.
Curated OER
20th-Century Astronomy
Students examine and explain how the distance to nearby stars can be measured by the parallax method, discuss the role of women in the history of American astronomy, form their own opinions of the importance of Harlow Shapley and Edwin...