Light and spectra bingo

Exercise and reference answers

Clues and terms

1. Clue

   Distance of one cycle.

   Item

   Wavelength

2. Clue

   Cycles every second.

   Item

   Frequency

3. Clue

   Packet of light energy.

   Item

   Photon

4. Clue

   Full range of waves.

   Item

   Spectrum

5. Clue

   Hotter peaks bluer.

   Item

   Wien law

6. Clue

   Flux goes as T to 4.

   Item

   Stefan law

7. Clue

   Dark lines in rainbow.

   Item

   Absorption

8. Clue

   Bright lines only.

   Item

   Emission

9. Clue

   Source moving away.

   Item

   Redshift

Instructions

Read each clue and tap the term it describes.

Explanation