(H) CMBR & Electromagnetic Spectrum

Flashcard
•
Science
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Cosmic Microwave Background Radiation (CMBR)?
Back
CMBR is a form of electromagnetic radiation filling the universe, a remnant from the Big Bang.
2.
FLASHCARD QUESTION
Front
Where in the electromagnetic spectrum can CMBR radiation be found?
Back
In the microwaves section.
3.
FLASHCARD QUESTION
Front
What is the relationship between wavelength, frequency, and energy in waves?
Back
A wave with a large wavelength will have a low frequency and low energy.
4.
FLASHCARD QUESTION
Front
What type of electromagnetic radiation can penetrate solid materials but not bones or teeth?
Back
X-ray.
5.
FLASHCARD QUESTION
Front
What are infrared waves?
Back
Invisible waves that are felt as heat and have longer wavelengths than those of visible light.
6.
FLASHCARD QUESTION
Front
What is the electromagnetic spectrum?
Back
The range of all types of electromagnetic radiation, organized by wavelength and frequency.
7.
FLASHCARD QUESTION
Front
What is the energy and frequency of gamma rays compared to X-rays?
Back
Gamma rays have higher energy and frequency than X-rays.
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