EM spectrum

Open Ended

What do you already know about any of these types of radiation?

Multiple Choice

Which of the following is NOT a type of electromagnetic radiation?

• Radio waves

• Microwaves

• Sound waves

• Gamma rays

Multiple Choice

Which of the following is NOT a property of electromagnetic waves?

• They travel at the speed of light in a vacuum

• They are longitudinal waves with only electric fields

• They consist of oscillating electric and magnetic fields perpendicular to each other

• They are transverse waves with electric and magnetic fields

Multiple Choice

Which of the following devices relies on radio waves to function?

• Microwave oven

• Remote control

• Cell phone

• Thermal imaging camera

Fill in the Blanks

Fill in the blank: Microwaves have

wavelengths than radio waves.

Multiple Select

Which of the following are practical applications of infrared radiation?

• Thermal imaging cameras

• Photosynthesis in plants

• Remote controls

• Cooking food in a microwave oven

Open Ended

How does visible light contribute to life on Earth, and what are some ways different colors of visible light can affect human perception or mood?

Multiple Choice

Which color in the visible light spectrum has the shortest wavelength?

• Red

• Green

• Violet

• Yellow

Multiple Select

Which of the following types of electromagnetic radiation can be harmful to living organisms?

• Visible light

• Ultraviolet (UV) radiation

• X-rays

• Gamma rays

Fill in the Blanks

Gamma rays have the ___ energy and the ___ wavelength in the electromagnetic spectrum.

Multiple Choice

Which technology uses microwaves for wireless internet?

• Bluetooth

• Wi-Fi

• Fiber optic cables

• Infrared remote

Open Ended

How have technologies like X-rays, MRI, and infrared thermometers improved healthcare?

Multiple Choice

Which of the following medical technologies uses strong magnets and radio waves to create detailed images of soft tissues?

• X-rays

• MRI

• Infrared thermometers

• Ultrasound

Open Ended

What environmental issues could be studied using electromagnetic radiation?

Fill in the Blanks

Plants absorb

and blue light for photosynthesis.

Poll

How well do you understand this topic?

• I did not understand anything

• I need more time

• I understand most of it

• I understand all of it, ready to move on to the next topic