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Waves Unit Study Quiz

Samantha Brant 10 preguntas

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Preguntas del test (10)

  1. 1Name each labeled part of the wave. Use these vocabulary words: crest, wavelength, trough, amplitude.Imagen de la pregunta 1
    1. ACrest
    2. BWavelength
    3. Ctrough
    4. Damplitude
  2. 2Fill in the blanks to describe the characteristics of a digital signal.

    A digital signal uses clear-cut values, such as [blank_start]numbers[blank_end] or dots and dashes. It is easy to code and decode.
    1. Anumbers
    2. Bcontinuous streams
  3. 3Isaac is looking at a red apple on an apple tree. Which of these choices explains why the apple is red?
    1. AWhite light hits the object, and a red light is reflected into your eye.
    2. BWhite light hits the object, and red light is absorbed into the object.
    3. CRed light hits the object, and white light is reflected into your eye.
    4. DRed light hits the object, and red light is reflected into your eye.
  4. 4Mark all the terms parts involved in radio wave communication
    1. Atransmitter
    2. Bsignal
    3. Clens
    4. Dreceiver
  5. 5Describe the structures of the eye that help you see objects.

    The eye has a small hole called the [blank_start]pupil[blank_end] that can adjust the amount of light that travels through the lens. The lens focuses and directs light onto the [blank_start]retina[blank_end]. The retina changes the [blank_start]light[blank_end] signal into an [blank_start]electrical[blank_end] signal that travels to the [blank_start]brain[blank_end].
    1. Apupil
    2. Bretina
    3. Clight
    4. Delectrical
    5. Ebrain
  6. 6A sound wave is a longitudinal wave that compresses particles in the same direction as the wave is moving.
    1. AVerdadero
    2. BFalso
  7. 7How can wavelength change from one wave to another?
    1. AThe wavelength can be far away or close to the resting point of the wave.
    2. BThe wavelength can be short or long between crests.
    3. CThe wavelength can occur several times or only a few times in period of time.
  8. 8Describe how amplitude can differ in waves.
    1. AThe amplitude can be far away or close to the resting point of the wave.
    2. BThe amplitude can be short or long between crests.
    3. CThe amplitude can occur several times or only a few times in period of time.
  9. 9According to the graph, through which medium will sound travel the slowest?Imagen de la pregunta 9
    1. Asea water
    2. Biron
    3. Ckerosene
    4. Dglass
  10. 10Choose TWO conclusions that are supported by the data shown in the bar graph.Imagen de la pregunta 10
    1. ASounds waves travel faster through water than through air.
    2. BSound waves travel faster through air than through water.
    3. CSound waves travel at the same speeds through different mediums.
    4. DSound waves travel at different speeds through different mediums.

Información

Descripción
4th grade Science Test sobre Waves Unit Study Quiz, creado por Samantha Brant el 12/11/2018.
Idioma
English
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