Electromagnetic Spectrum Flocabulary Answers | FREE Access

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Electromagnetic Spectrum Flocabulary Quiz Answers Key

Q1 What must be true if a wave’s wavelength is short?
  1. Its frequency is low.
  2. It does not carry energy.
  3. Its frequency is high.
  4. The waves are visible.
Q2 What is one way radio waves are used?
  1. to carry signals for televisions
  2. to kill germs in hospitals
  3. to treat cancer with radiotherapy
  4. to take images of bones
Q3 How do microwaves help heat frozen food?
  1. ​The waves filter ice from food.
  2. The waves block coldness in food.
  3. The waves kill germs in food.
  4. The waves are absorbed by water in food.
Q4 How can humans detect infrared waves?
  1. They see them as color.
  2. They feel them as heat.
  3. They hear them as sound.
  4. They feel them as vibrations.
Q5 True or false: Electromagnetic radiation cannot travel through a vacuum.
  1. True
  2. False
Q6 How fast do electromagnetic waves travel?
  1. at the speed of light
  2. at the speed of sound
  3. faster than the speed of light
  4. slower than the speed of sound
Q7 Which color has the shortest wavelength in the visible spectrum?
  1. blue
  2. red
  3. violet
  4. orange
Q8 Which of the following can block some UV rays?
  1. human skin
  2. water
  3. the human eye
  4. the ozone layer
Q9 Which type of electromagnetic radiation carries the most energy and has the highest frequency?
  1. microwaves
  2. ultraviolet
  3. gamma rays
  4. radio waves
Q10 Which types of electromagnetic radiation might a doctor use to treat patients?
  1. microwaves and UV rays
  2. x-rays and gamma rays
  3. microwaves and radio waves
  4. visible and infrared

Electromagnetic Spectrum Flocabulary Read & Respond Answers

Expand your knowledge by exploring the Read & Respond answers related to the topic of our Subject:

Q1 The author of this passage would most likely agree with which of the following statements?
  1. a neutralization
  2. an acid has combined with a base
  3. salt has reacted with water
  4. iron has reacted with oxygen
Q2 According to this passage, the seven different types of electromagnetic radiation
  1. are useless and harmless.
  2. have the same frequencies.
  3. have different wavelengths.
  4. are organized on separate spectrums.
Q3 Which of the following correctly describes how radio waves are transmitted and converted into sound?
    1. Waves convert radio signals into sound.
    2. Particles in Earth’s atmosphere carry sound.
    3. Receivers reflect the sound.
    1. Receivers carry radio signals.
    2. Particles in Earth’s atmosphere reflect the signals.
    3. Waves convert the signals into sound.
    1. Waves carry radio signals.
    2. Receivers convert them into sound.
    3. Particles in Earth’s atmosphere reflect the sound.
    1. Waves carry radio signals.
    2. Particles in Earth’s atmosphere reflect them.
    3. Receivers convert them into sound.
Q4 In the passage above, what is the purpose of the underlined sentence?
  1. It provides an image that illustrates how microwaves cook food.
  2. It provides a statistic that supports the opinion that microwaves are useful.
  3. It describes a counterargument to the claim that microwaves are useful.
  4. It transitions to a description of how microwaves are useful in other ways.
Q5 Which definition matches the meaning of the word “absorbed” as it is used in the passage?
  1. taken in completely
  2. filled up or occupied
  3. involved the full attention of
  4. swallowed up a liquid
Q6 According to the passage, visible green light has a wavelength that is
  1. shorter than red and longer than yellow.
  2. shorter than red and longer than orange.
  3. shorter than yellow and longer than blue.
  4. shorter than blue and longer than violet.
Q7 Based on this passage, both SPF sunscreen and the ozone in Earth’s atmosphere
  1. make UV light visible to humans.
  2. protect people from the dangers of UV light.
  3. kill bacteria in food.
  4. carry more energy than visible light.
Q8 Which detail from the passage best explains how x-rays can show if you have cavities or a broken bone?
  1. “The vest is made of lead, a metal that x-radiation can’t pass through.”
  2. “The waves can penetrate skin but not dense tissue…”
  3. “Their wavelength is very small…”
  4. “They can also be dangerous to your cells.”
Q9 According to the passage, which fact about gamma rays means they can be both useful and harmful to humans?
  1. They can kill living cells.
  2. They have the shortest wavelengths.
  3. They are absorbed by Earth’s atmosphere.
  4. They are generated in nuclear explosions.

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Jennifer Kelly is an experienced educator with a passion for empowering students to achieve academic success. With over 12 years of teaching experience, Jennifer has worked with students at all levels, ranging from elementary to high school. Her dedication to helping students excel in their studies led her to create the educational blog Answer Mentor.

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