Electromagnetic Spectrum Review

Elijah and Maya are discussing the properties of electromagnetic waves. Which statement is TRUE about electromagnetic waves?

• Radio waves travel slower than gamma rays.

• Electromagnetic waves travel slower than sound waves.

• Electromagnetic waves speed up as they enter denser matter.

• All forms of electromagnetic energy travel the same speed - the speed of light.

Arjun and Hannah are discussing the order of electromagnetic radiation they learned in their physics class. From lowest frequency to highest frequency, what is the correct order of electromagnetic radiation?

• gamma, x-ray, ultraviolet, visible light, infrared, microwaves, radio

• radio, microwaves, infrared, visible light, ultraviolet, x-ray, gamma

• visible light, ultraviolet, x-ray, gamma, radio, microwaves, infrared

• radio, infrared, x-ray, visible light, microwaves, gamma, ultraviolet

Avery is observing a rainbow in the sky. Which part of the light wave determines the color of the rainbow she sees?

• wavelength

• frequency

• amplitude

• wavelength and/or frequency

What is the correct order of the colors of light in the visible spectrum?

• BIVROYG
• ROYGBIV
• VIBGYOB
• YORBGVI

What kind of wave is light?

• Longitudinal
• Mechanical
• Transverse
• Potential

What happens when Evelyn shines a flashlight through air, then into a swimming pool?

• Light slows down.

• Light speeds up.

• Speed of light does not change.

What color has the longest wavelength?

• Red
• Yellow
• Blue
• Violet

Grace and Kai are discussing the colors of the rainbow. Grace asks, "What color in the rainbow has the greater frequency?"

• Red

• Yellow

• Blue

• Violet

Luna and Noah are conducting a science experiment to find out which color of light has the greater energy. They have four colored lights: Red, Yellow, Blue, and Violet. Which color should they choose to demonstrate the highest energy?

• Red

• Yellow

• Blue

• Violet

Harper is observing different objects in a room. She notices that some objects appear black because all colors are

• reflected.

• emitted.

• transmitted.

• absorbed.