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8th Grade Review

Quiz by Shelli Sorensen

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10 questions
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  • Q1
    Which is a scientific question that can be tested?
    Which is the nicest color for rose plants?
    How many pine trees are in a tundra forest?
    Does water heat up more quickly than sand in the sunlight?
    What is electricity?
    45s
  • Q2
    Which must be TRUE of any hypothesis for it to be useful in a scientific investigation?
    It must be supported by data
    It must be developed without depending on prior investigations
    It must lead to further investigations
    It must be used to develop a theory
    45s
  • Q3
    A telescope is a type of technology used to study the moons of other planets. How does this technology help scientists?
    It brings the objects closer to Earth
    It enables scientists to visit the moons
    It makes the moons larger than they are
    It makes the moons appear closer than they are
    45s
  • Q4
    Which correctly orders the relationship from least to greatest in size?
    galaxy, planet, solar system, universe
    universe, galaxy, solar system, planet
    planet, galaxy, universe, solar system
    planet, solar system, galaxy, universe
    45s
  • Q5
    Which has the hottest temperature?
    a blue star
    a red giant star
    a swirling accretion disk of matter orbiting a black hole
    the left over energy from the big bang
    45s
  • Q6
    Which orders the orbital period (time to go around the sun), from least to greatest?
    Uranus, Mars, Earth, Mercury
    Mercury, Earth, Mars, Uranus
    Earth, Mercury, Mars, Uranus
    Mars, Mercury, Earth, Uranus
    45s
  • Q7
    Which correctly describes the impact of a lunar eclipse?
    the moon casts a shadow on the sun
    the Earth casts a shadow on the sun
    the moon casts a shadow on the Earth
    the Earth cases a shadow on the moon
    45s
  • Q8
    What is the melting point of a substance?
    when its temperature changes from a solid to a liquid
    when its temperature changes from a liquid to a gas
    when its temperature changes from a gas to a liquid
    when its temperature changes from a liquid to a solid
    45s
  • Q9
    Which is NOT a property of an acid?
    has a high pH
    contains the element hydrogen
    reacts with metals
    tastes sour
    45s
  • Q10
    Which is NOT a sign of a chemical change?
    change in shape
    change in color
    formation of a solid
    formation of a gas
    45s

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