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Grade 6 Light & Sound Worksheet with Answers

Grade 6 (US) · Year 7 (UK) · Class 6 (India) · Science

Unit 5: Energy & MotionMachines, Electricity & Light

How light travels, reflects and refracts, transparent and opaque materials, shadows, and how vibrations make sounds of different pitch and volume. This free middle school worksheet has 12 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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Light & Sound

Grade 6 · Science

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Name

Class

Date

Learning goal: Machines, Electricity & Light

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

Example

What do we call it when light bounces off a surface, like a mirror?

Answer: reflection

RememberLight and sound

Reflectbounces offmirror, echoRefractbends passing throughstraw in waterAbsorbtaken indark clothes get hotSoundvibrations throughsolids, liquids, gases
Part A

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

  1. 1What do we call a material that lets all light through, like clear glass?
  2. 2What do we call a material that lets some light through, like frosted glass?
  3. 3What is formed when an object blocks light?
  4. 4What do we call the bands of colors made when white light splits through a prism?
  5. 5What do we call a sound that reflects back to you, like in a cave?
  6. 6What is it called when light bends as it passes from air into water?
  • ARefraction
  • BEcho
  • CSpectrum
  • DTranslucent
  • EShadow
  • FTransparent
Part B

Answer each question. Use full sentences where you can.

  1. 7

    Which travels faster: light or sound?

    LightSound
  2. 8

    What does pitch describe in a sound?

  3. 9

    What does volume (loudness) depend on?

  4. 10

    What is the main natural source of light on Earth?

  5. 11

    What do we call a material that lets no light through, like wood?

  6. 12

    Does the Moon make its own light?

★ Challenge corner for fast finishers

On the Moon (no air), a hammer and a feather are dropped together. Which lands first?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/science/6/light_sound

Answer key (click to show)
  1. 1.F — transparent
  2. 2.D — translucent
  3. 3.E — a shadow
  4. 4.C — a spectrum (the colors of the rainbow)
  5. 5.B — an echo
  6. 6.A — refraction
  7. 7.light
  8. 8.how high or low it sounds
  9. 9.the size (amplitude) of the vibrations
  10. 10.the Sun
  11. 11.opaque
  12. 12.no, it reflects light from the Sun
  13. ★they land at the same time (challenge corner)

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Moon Phases Explained: Why the Moon Changes ShapeThe moon never stops being lit — we just see different amounts of its sunlit half. The eight phases, a lamp-and-ball demo, and the misconception almost everyone has.The Scientific Method for Kids: Independent, Dependent and Controlled VariablesWhat makes a test fair, how to spot each kind of variable, and a paper-towel experiment you can run at home or in class tomorrow.What Are the Common Core and NGSS Standards? A Parent's GuideWhat learning standards are, how to read a code like 3.NF.A.1 or MS-PS1-2, what each grade covers in Math, English and Science, and how to use them at home.

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