Worksheet

Light and Sound

Grade 1 - Science - Building Confidence

NameDate

  1. What evidence shows that the drum is making sound?

    • It is vibrating.
    • It has a color.
    • It casts a shadow.

  2. How could a student stop the rubber band's sound quickly?

    • Change its color.
    • Move it into light.
    • Stop its vibration.

  3. Why is a paper sign hard to see in a completely dark room?

    • No light reaches the object and eyes.
    • Eyes close whenever it is dark.
    • Sound blocks the object.

  4. A flashlight shines on cardboard. What passes through?

    • no matter at all
    • almost no light
    • the material itself

  5. Which plan makes the light comparison fair?

    • Change the light each time.
    • Use one light and equal pieces.
    • Use different-size pieces.

  6. Which observation links the moving rubber band to the sound heard?

    • It has a color.
    • It casts a shadow.
    • It is vibrating.

  7. What change removes the source of sound from the drum?

    • Stop its vibration.
    • Move it into light.
    • Measure its length.

  8. What must be added so eyes can detect a book in a pitch-black space?

    • A louder sound near the object.
    • Light reaching the object and eyes.
    • A softer surface on the object.

  9. A light test uses wax paper. Which result should be recorded?

    • all sound
    • no matter at all
    • some light

  10. Which setup controls variables in a sound investigation?

    • Strike with different forces.
    • Strike each object the same way.
    • Test only one object.
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