Worksheet

Light and Sound

Grade 1 - Science - Challenge Me

NameDate

  1. What evidence shows that the ruler edge is making sound?

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

  2. How could a student stop the tight string's sound quickly?

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

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

    • Eyes close whenever it is dark.
    • No light reaches the object and eyes.
    • The object stops being solid.

  4. A flashlight shines on clear acrylic. What passes through?

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

  5. Which plan makes the sound comparison fair?

    • Change rooms each time.
    • Test only one object.
    • Strike each object the same way.

  6. Which observation links the moving ruler edge to the sound heard?

    • It is vibrating.
    • It is solid.
    • It casts a shadow.

  7. What change removes the source of sound from the rubber band?

    • Stop its vibration.
    • Measure its length.
    • Change its color.

  8. What must be added so eyes can detect a wooden block 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 wood. Which result should be recorded?

    • almost no light
    • the material itself
    • all sound

  10. Which setup controls variables in a light investigation?

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