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Semester Test Review - Fall 2024

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  • What does E represent in C-E-R?
    Evidence
    Endorsement
    Entertainment
    Engagement
  • What is the velocity of a 50 kg object with a momentum of 500 kg x m/s? To solve this problem you must do -
    50 ÷ 500
    500 x 50
    500 ÷ 50
    50 x 500
  • In a series circuit what happens when you add another bulb?
    The bulbs gets dimmer
    Nothing changes
    all of the other lights go out
    The bulbs gets brighter
  • The equation to calculate momentum is
    p=mv
    p=mg
    p=mgh
    p=1/2mv2
  • In equation form, Newton's Second Law of motion can be expressed as
    p=mv
    v=d/t
    a=v/t
    F=ma
  • Electricity is the flow of _________.
    neutrons
    electrons
    photons
    protons
  • If a woman runs at a speed of 7 m/s for 30 s, how far does she run?
    210 m
    4.28 m
    30 m
    0.033 m
  • Electric current is measured in ______.
    Volts
    Watts
    Ohms
    Amperes
  • The distance in between two waves.
    wave speed
    wavelength
    frequency
    amplitude
  • If a wave had a speed of 50 m/s and a frequency of 10 Hz, its wavelength would be
    500 m
    10 m
    5 m
    0.2 m
  • What is the unit for resistance?
    Amperes
    Ohms
    Volts
    Hertz
  • If a car travels 400 m in 20 seconds, how fast is it going?
    32 m/s
    2 m/s
    20 m/s
    40 m/s
  • Your car has a mass of 2500 kg and a force of 5000 N. How fast will it accelerate?
    0.5 m/s2
    20 m/s2
    120 N
    2 m/s2
  • Sound waves are
    transverse waves
    longitudinal waves
    electromagnetic waves
    latitudinal waves
  • If there are two forces going in the same direction how would you find the net force?
    Add
    Divide
    Subtract
    Multiply
  • Identify the conductor below.
    plastic bottle
    glass tube
    gold ring
    cloth rag
  • A wave transmits
    plasma
    frequency
    matter
    energy
  • Why can an invasive species be bad for an ecosystem?
    they're not bad for the ecosystem
    They can fight with other animals.
    They can disrupt the natural ecosystem.
    They can provide too much food for the other organisms.
  • The reasoning explains why the evidence _____________ the claim.
    removes
    supports
    stops
    distracts
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