Test
Electromagnetic spectrum practice
This 7th-grade classroom material helps students practice identifying and comparing different types of electromagnetic waves, including radio, microwave, infrared, visible, UV, X-ray, and gamma rays. Through questions on wavelengths, uses, and frequency ordering, students enhance their understanding of the spectrum and its applications.
By Edform · Science · Grade 7 · Published Oct 15, 2026 · New
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Questions
- Which type of electromagnetic wave has the longest wavelength?
- Which of the following are uses of microwaves? Select all that apply.
- Order the following types of electromagnetic waves from lowest to highest frequency.
- Match each type of electromagnetic wave with its common use.
- Fill in the blank with the correct type of electromagnetic wave: Sunburn is most often caused by overexposure to ___ rays.
- Choose the correct word to complete the sentence.
- Sort the following electromagnetic waves into 'Can be seen by humans' and 'Cannot be seen by humans'.
- Mark each statement as true or false.
- What is the main use of radio waves in everyday life? (One or two words)
- If the speed of light is 300,000,000 meters per second and a radio wave has a frequency of 100,000,000 Hz, what is its wavelength in meters? (Round to the nearest whole number)
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