A student observes that a microwave oven uses electromagnetic waves to heat food. Which type of electromagnetic wave is primarily used in microwaves?

During a science experiment, students measure the wavelength of different electromagnetic waves. Which of the following has the shortest wavelength?

In a physics class, students learn that electromagnetic waves travel at the speed of light in a vacuum. What is the approximate speed of these waves?

A technician uses infrared radiation to measure the temperature of an object without touching it. Which property of infrared waves makes this possible?

A doctor uses X-rays to examine a patient’s bones. Why are X-rays effective for this purpose?

A student is studying the electromagnetic spectrum and learns about its different parts. Which of the following lists the types of electromagnetic waves in order of increasing frequency?

When sunlight passes through a prism, it separates into different colors. What is this phenomenon called?

A student learns that UV (ultraviolet) radiation can cause sunburn. What is one way to protect against UV radiation?

During a presentation, students discuss how radio waves are used in communication. Which statement correctly describes this use?

A researcher is studying the effects of electromagnetic waves on human health. Which type of wave is most likely to be associated with increased health risks?