1. Electromagnetic Spectrum Mr. Skirbst Physical Science Topic 22

2. Electromagnetic Waves Wave – a traveling disturbance that carries energy from place to place

3. Electromagnetic Waves Wave Characteristics –

4. Electromagnetic Waves Electromagnetic Wave – wave in which electric and magnetic fields carry energy

5. Electromagnetic Waves Transverse Wave - electric and magnetic fields travel at right angles

6. Electromagnetic Spectrum arrangement of electromagnetic waves in order of their wavelengths & frequencies

7. Electromagnetic Spectrum

8. Visible Light energy released within the range of visible light portion of the electromagnetic spectrum

9. Visible Light visible spectrum:

10. Visible Light 3 Types of visible light: -Incandescent – produced from heat -Fluorescent – UV light makes phosphors glow -Neon – energized gas

11. Spectral Analysis Spectral lines – characteristic wavelengths of light (fingerprint) emitted by a luminous body * Used to identify elements

12. Spectral Analysis Spectroscope – instrument used to observe spectral lines

13. Spectral Analysis