
Light & Color 2020
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the electromagnetic spectrum?
Back
The electromagnetic spectrum is the range of all types of electromagnetic radiation, which includes visible light, ultraviolet rays, infrared radiation, radio waves, microwaves, and gamma rays.
2.
FLASHCARD QUESTION
Front
What is frequency in terms of light?
Back
Frequency refers to the number of waves that pass a point in one second. Higher frequency means more energy and shorter wavelengths.
3.
FLASHCARD QUESTION
Front
What are ultraviolet rays?
Back
Ultraviolet rays are a type of electromagnetic radiation with a frequency higher than visible light, which can cause sunburn and skin damage.
4.
FLASHCARD QUESTION
Front
What is the relationship between color and light?
Back
Colors are perceived based on the wavelengths of light that are reflected off objects. Different wavelengths correspond to different colors.
5.
FLASHCARD QUESTION
Front
What are complementary colors?
Back
Complementary colors are pairs of colors that, when combined, cancel each other out (produce a grayscale color like white or black). For example, red and green are complementary.
6.
FLASHCARD QUESTION
Front
What happens when light passes through a prism?
Back
When light passes through a prism, it bends (refracts) and separates into its component colors, creating a spectrum.
7.
FLASHCARD QUESTION
Front
What is refraction?
Back
Refraction is the bending of light as it passes from one medium to another, caused by a change in its speed.
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