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Grade 4 Waves: Amplitude & Wavelength Worksheet with Answers

Grade 4 (US) · Year 5 (UK) · Class 4 (India) · Science

Unit 2: Waves & InformationWavesNGSS 4-PS4-1

Parts of a wave, what waves carry, and how light lets us see. This free upper elementary worksheet has 15 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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Waves: Amplitude & Wavelength

Grade 4 · Science

Score___ / 15

Name

Class

Date

Learning goal: Waves · NGSS 4-PS4-1

Directions: This worksheet has 2 parts. Read the instructions at the start of each part.

Part A

Label the diagram. Use the words in the box.

Word bank

amplitudewavelengthcresttrough
1234
  1. 1
  2. 2
  3. 3
  4. 4
Part B

Answer each question. Use full sentences where you can.

  1. 5

    A cork bobs up and down as a wave passes. Does it travel with the wave?

  2. 6

    If waves get closer together, does the wavelength get longer or shorter?

    LongerShorter
  3. 7

    How do we see objects?

  4. 8

    How is information sent using patterns?

  5. 9

    Do waves carry water across the ocean, or energy?

  6. 10

    What is the top of a wave called?

  7. 11

    Name two kinds of waves.

  8. 12

    What is the bottom of a wave called?

  9. 13

    What is the height of a wave from its middle called?

  10. 14

    A louder sound has a bigger or smaller amplitude?

  11. 15

    What is the distance from one crest to the next called?

★ Challenge corner for fast finishers

I am the hardest natural mineral. What am I?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/science/4/waves_basic

Answer key (click to show)
  1. 1.crest
  2. 2.trough
  3. 3.wavelength
  4. 4.amplitude
  5. 5.no — it stays in about the same place
  6. 6.shorter
  7. 7.light reflects off them and enters our eyes
  8. 8.with codes like Morse code, binary or light signals
  9. 9.energy
  10. 10.the crest
  11. 11.sound, light, water or earthquake waves (any two)
  12. 12.the trough
  13. 13.the amplitude
  14. 14.bigger
  15. 15.the wavelength
  16. ★diamond (challenge corner)

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