Star Emission Spectra Answer sheet GIZMOS

Student Exploration: Star Spectra Vocabulary: absorption spectrum, binary star, blueshift, Cepheid variable, emission spectrum, giant star, nebula, redshift, spectrum, star Prior Knowledge Question s (Do these BEFORE using the Gizmo.) 1. What happens when light goes through a prism? __splits into the colours of the rainbow________________________________ This band of colors is called a spectrum. 2. A rainbow is an example of a spectrum. What is the sequence of colors in a rainbow? __red, orange, yellow, green, blue, indigo, violet, _______________________________________________________________________ Gizmo Warm-up The interior of a star produces a continuous spectrum of light, like a rainbow. Cooler gases in the outer layers of the star absorb certain wavelengths of light, causing dark lines to appear in the spectrum. The resulting absorption spectrum can tell astronomers a great deal about the star. 1. On the Star Spectra Gizmo, turn on Show labels. Select star 1 to see its absorption spectrum. How many lines do you see in the spectrum? ___10________ 2. Drag the Hydrogen spectrum next to the Star spectrum so that the edges line up. Do some of the lines on the two spectra match up? __yes_________ 3. Drag the Helium spectrum next to the Star spectrum. Do some lines match? ____yes_______ 4. Try out the other available spectra. Do any others have lines that match? ___no\ 5. ______

No comments found.
Login to post a comment
This item has not received any review yet.
Login to review this item
No Questions / Answers added yet.
Version latest
Category GIZMOS
Included files pdf
Pages 6
Language English
Comments 0
Sales 0
Recently viewed items

We use cookies to understand how you use our website and to improve your experience. This includes personalizing content and advertising. To learn more, please click Here. By continuing to use our website, you accept our use of cookies, Privacy policy and terms & conditions.