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Quiz 1

Quiz by Dazelyn Quilinguen

Grade 7
Science
Philippines Curriculum: Grades K-10 (MELC)

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15 questions
Show answers
  • Q1

    Which of the following is NOT a scalar quantity?

    distance

    speed

    displacement

    acceleration

    30s
  • Q2

    Which statements describe vector quantity?

    It has direction but no magnitude

    It has both magnitude and direction

    It has constant magnitude but no direction

    Its magnitude only

    30s
  • Q3

    Which characteristics of a wave increase when the pitch of a sound increases?

    intensity

    lourdness

    wavelength

    frequency

    30s
  • Q4

    It involves a movement or a change in the position of thing.

    distance

    motion

    velocity

    speed

    30s
  • Q5

    This refers to how fast an object changes its velocity over time.

    distance

    acceleration

    intensity

    vector quantity

    30s
  • Q6

    The Italian physicist hypothesized the idea of a falling body's accelerating motion.

    Aristotle

    Aristarchus

    Galileo Galilei

    Isaac Newton

    30s
  • Q7

    Which is NOT an example of a mechanical wave?

    sound

    radio wave

    seismic waves

    water waves

    30s
  • Q8

    This refers to the distance between two wave points that move with the same speed and direction.

    rarefaction

    pitch

    compression

    wavelength

    30s
  • Q9

    Which of the following is a unit of frequency?

    hertz

    meter per second

    meter

    decibels

    30s
  • Q10

    A car moved 70 km East and 90 Km west. What is the distance traveled?

    1500 km

    30 km

    50 km

    160 km

    30s
  • Q11

    A high-frequency sound wave has low pitch

    false
    true
    True or False
    30s
  • Q12

    Light can travel through empty space 

    true
    false
    True or False
    30s
  • Q13

    Crests are the low point of the wave

    false
    true
    True or False
    30s
  • Q14

    Mechanical waves do not require a medium or a matter in order to travel.

    false
    true
    True or False
    30s
  • Q15

    The energy carried by a wave depends on its speed.

    false
    true
    True or False
    30s

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