How Can Humans Detect Infrared Waves Flocabulary Answers

Question: What is true if a wave’s wavelength is short?

Answer: its frequency is high

Question: What is one way radio waves are used?

Answer: to carry signals for televisions

Question: How do microwaves help heat frozen food?

Answer: the waves are absorbed by water in food

Question: How can humans detect infrared waves?

Answer: they feel them as heat

Question: false

Answer: Electromagnetic radiation cannot travel through a vacuum.

Question: How fast do electromagnetic waves travel?

Answer: at the speed of light

Question: Which color has the shortest wavelength in the visible spectrum?

Answer: violet

Question: Which of the following can block some UV rays?

Answer: ozone layer

Question: Which type of electromagnetic radiation carries the most energy and has the highest frequency?

Answer: gamma rays

Question: Which type of electromagnetic radiation might a doctor use to treat patients?

Answer: x-rays and gamma rays

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