Which of the following has wavelengths LONGER than visible light?

Which of the following has wavelengths SHORTER than visible light?

As wavelength decreases, frequency ______.

High frequency waves are high energy waves. Which type of wave has the MOST energy?

High frequency waves are high energy waves. Which type of wave has the LEAST energy?

Which color of visible light has the MOST energy?

Which color of visible light has the LEAST energy?

Which type of radiation comes from cool clouds of gas around newly formed stars (temperature around 10K)?

Which type of telescope could be used to detect hot gas in clusters of galaxies (temperature = 10,000,000 K)?

Radio wavelengths are about the size of a(n) ______.

X ray wavelengths are about the size of a(n) ______.

Infrared wavelengths are about the size of a(n) ______.

Which EM waves are used in ovens, Wifi, and cell phone communication?

Which EM waves are used in broadcasting (radio and television)?

Which EM waves are used for medical imaging and airport security?

Which EM waves are used in night vision goggles, thermal imaging, TV remotes, and touch-free thermometers?

Which EM waves are used to detect and treat cancer?

Which EM waves can cause sunburns or be used to sterilize medical equipment?

Which EM waves let us know that red stars are the cool stars and blue stars are the hot stars?

Which EM waves pass through Earth's atmosphere?

Earth's atmosphere protects us from . . .

Which types of telescope are ground-based (on Earth)?

Which type of telescope cannot be used on Earth's surface?

Which types of telescope MUST be positioned in space (beyond Earth's atmosphere) in order to be used?

Instruments that use this type of EM wave are HUGE.