Across
- 1. shorter wavelengths
- 6. ________ have different wavelengths
- 7. New theory?
- 9. a rainbow of colors are called a________
- 10. when chemical elements are________they produce spectrum
Down
- 2. hypothesis supported by experiments.
- 3. when the light source is moving away the wavelengths appear_________
- 4. a rule that describes a natural phenomenon
- 5. galaxies shifted toward the_____spectrum.
- 8. when the light source is moving towered the wavelengths appear________