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Grade 11 Electromagnetic Spectrum Worksheet with Answers

Grade 11 (US) · Year 12 (UK) · Class 11 (India) · Science

Unit 3: Waves & ElectricityWavesNGSS HS-PS4-4

The types of electromagnetic waves, their uses and dangers, from radio to gamma rays. This free high school worksheet has 16 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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The Electromagnetic Spectrum

Grade 11 · Science

Score___ / 16

Name

Class

Date

Learning goal: Waves · NGSS HS-PS4-4

Directions: This worksheet has 3 parts. Read the instructions at the start of each part.

Part A

Label the diagram. Use the words in the box.

Word bank

microwavesX-raysvisible lightradio waves
infraredultravioletgammarayslonger wavelengthhigher energy1234
  1. 1
  2. 2
  3. 3
  4. 4
Part B

Match each clue to the right word. Write the letter in the box.

  1. 5Which electromagnetic waves can we see?
  2. 6Which waves are used to cook food quickly?
  3. 7Can electromagnetic waves travel through empty space?
  4. 8Which waves have the highest energy?
  5. 9Which color of visible light has the longest wavelength?
  6. 10Which waves have the longest wavelength?
  • AVisible light
  • BRed
  • CMicrowaves
  • DYes
  • EGamma rays
  • FRadio waves
Part C

Answer each question. Use full sentences where you can.

  1. 11

    Do all electromagnetic waves travel at the same speed in a vacuum?

  2. 12

    Which waves do we feel as heat?

  3. 13

    Which waves cause sunburn?

  4. 14

    Which waves are used to see bones?

  5. 15

    Why are X-rays and gamma rays dangerous?

  6. 16

    Which waves carry radio and TV signals?

★ Challenge corner for fast finishers

If Earth stopped spinning, how long would one day (sunrise to sunrise) be?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/science/11/em_spectrum

Answer key (click to show)
  1. 1.radio waves
  2. 2.microwaves
  3. 3.visible light
  4. 4.X-rays
  5. 5.A — visible light
  6. 6.C — microwaves
  7. 7.D — yes
  8. 8.E — gamma rays
  9. 9.B — red
  10. 10.F — radio waves
  11. 11.yes — the speed of light
  12. 12.infrared
  13. 13.ultraviolet (UV)
  14. 14.X-rays
  15. 15.they have high energy that can damage cells and DNA
  16. 16.radio waves
  17. ★about one year (challenge corner)

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