General Science
6th - 8th grade
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Other Sciences
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3 years ago
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20 QuestionsShow answers
  • Question 1
    30 seconds
    Q. Pahoehoe is 
    answer choices
    cooler, slower moving lava
    fast moving lava
    volcanic ash 
    lava with a rough, chunky surface
  • Question 2
    30 seconds
    Q. Igneous Rock that cools very quickly when it forms may have a texture that is
    answer choices
    smooth and shiny with no visible rain
    multicolored and banded
    course grained
    made up of jagged grains
  • Question 3
    30 seconds
    Q. An earthquake is –


    answer choices
    crust through which lava escapes
    a sudden movement in the earth's crust
    a kind of chemical weathering that changes the earth
    a huge wave that washes over the earth
  • Question 4
    30 seconds
    Q. What do atoms contain?
    answer choices
    elements, neutrons, and bonds
    protons, neutrons, and electrons
    protons, molecules, and elements
    electrons, protons, and bonds
  • Question 5
    30 seconds
    Q. Earth would not have seasons if—
    answer choices
    it did not rotate
    it was slightly closer to the sun
    it was no tilted on its axis
    it had more than one moon
  • Question 6
    30 seconds
    Q. Which of these is the best measure of how much space an object or substance takes up?
    answer choices
    mass
    length
    volume
    density
  • Question 7
    30 seconds
    Q. Conductor or insulator?  Plastic toy car
    answer choices
    Conductor
    Insulator
  • Question 8
    30 seconds
    Q. Conductor or insulator?  Metal wire
    answer choices
    Conductor
    Insulator
  • Question 9
    180 seconds
    Q. A food web is a more realistic model of the flow of energy through an ecosystem than a food chain because - 
    answer choices
    most organisms depend on more than one species for food
    each organism in a food chain represents multiple feedings
    most organisms depend on just one species for food
    each organism in a food web represents a single feeding
  • Question 10
    180 seconds
    Q. Why are coal, oil, and natural gas considered nonrenewable resources?
    answer choices
    There is a limited supply, and they can be replaced in a short period of time.
    There is not a limited supply, and they cannot be replenished in a short period of time.
    There is a limited supply, and they cannot be replenished in a short period of time.
    There is not a limited supply, and they can be replaced in a short period of time.
  • Question 11
    300 seconds
    Q. Students want to write a summary statement explaining how the sun and oceans interact in the water cycle.  Evidence could be used to prove which of these claims about the water cycle?
    answer choices
    Water rains down as precipitation from the clouds and returns to the oceans as runoff.
    Water evaporates from the oceans and returns to Earth as precipitation.
    Water is heated by the sun and cycles through the oceans, the atmosphere, and Earth's freshwater systems.
    All of the above
  • Question 12
    180 seconds
    Q. After observing an outdoor ecosystem, a student writes this conclusion in a science notebook.
    Is the student's conclusion logical?
    answer choices
    Yes, because ecosystems are made of living things that interact.
    No, because ecosystems are made of biotic and abiotic components that interact.
    Yes, because ecosystem is another name for habitat.
    No, because an ecosystem has nothing to do with biotic components.
  • Question 13
    30 seconds
    Q. what is a hypothesis?
    answer choices
    an educated guess 
    a theory 
    a theory 
    hot dog 
  • Question 14
    30 seconds
    Q. What has the greatest potential energy?
    answer choices
    a rock on the ground
    a rock twenty feet off the ground 
    a rock falling
    a rock being tossed
  • Question 15
    30 seconds
    Q. What's a herbivore
    answer choices
    Eats meat
    Eats plants
    eats meat and plants
    decomposes
  • Question 16
    30 seconds
    Q. What kinetic energy?
    answer choices
    Energy of Motion
    Potential Energy
    Food Energy
  • Question 17
    60 seconds
    Q. Liquids have - 
    answer choices
    no definite shape or volume
    a fixed or definite shape but no definite volume
    a fixed/definite shape and volume
    a definite/fixed volume but no definite shape
  • Question 18
    30 seconds
    Q. Energy determines/changes the state of matter.
    answer choices
    True
    False
  • Question 19
    30 seconds
    Q. The beads on this glass are caused by - 
    answer choices
    evaporation
    condensation
    precipitation
    sweaty hands
  • Question 20
    30 seconds
    Q. 1.When the sugar and water in the beaker are combined, they will create a solution because - 
    answer choices
    the water will now turn into a gas 
     the sugar will dissolve into the water
    . the water will dissolve into the sugar 
     the two substances are chemically              combining and chemically changing their  properties
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