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Different Colored Fireworks

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Presentation on theme: "Different Colored Fireworks"— Presentation transcript:

1

2 Different Colored Fireworks
Copyright © Cengage Learning. All rights reserved

3 Questions to Consider Why do we get colors?
Why do different chemicals give us different colors?  Copyright © Cengage Learning. All rights reserved

4 Electromagnetic Radiation
One of the ways that energy travels through space. Three characteristics: Wavelength Frequency Speed  Copyright © Cengage Learning. All rights reserved

5 Characteristics Wavelength ( ) – distance between two consecutive peaks or troughs in a wave.  Frequency ( ) – number of waves (cycles) per second that pass a given point in space Speed (c) – speed of light (2.9979×108 m/s) Copyright © Cengage Learning. All rights reserved

6 The Nature of Waves

7 Classification of Electromagnetic Radiation
Copyright © Cengage Learning. All rights reserved

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