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Grade 8 science

Quiz by Ryanne Rossow

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23 questions
Show answers
  • Q1
    What is the name for the center of an atom?
    Neutron
    Nucleus
    Electron
    Proton
    30s
  • Q2
    What is the formula for water?
    H2O
    NaCl
    SO2
    CO2
    30s
  • Q3
    What is the process of plants making food called?
    Fermentation
    Digestion
    Respiration
    Photosynthesis
    30s
  • Q4
    What is the smallest unit of matter?
    Cell
    Atom
    Molecule
    Element
    30s
  • Q5
    What is the name for the force that pulls objects towards each other?
    Inertia
    Gravity
    Friction
    Momentum
    30s
  • Q6
    What is the law of conservation of mass?
    The total energy in a system is always constant.
    All matter is made up of atoms.
    Matter cannot be created or destroyed, only changed in form.
    Matter cannot be created or destroyed, only changed in form.
    Energy cannot be created or destroyed, only changed in form.
    30s
  • Q7
    What is the formula for calculating force?
    Force = Distance x Time
    Force = Mass x Acceleration
    Force = Work / Energy
    Force = Velocity x Time
    30s
  • Q8
    What is the SI unit of force?
    Newton (N)
    Meter per second (m/s)
    Kilogram (kg)
    Joule (J)
    30s
  • Q9
    What happens to the acceleration of an object if the force acting on it is increased?
    Acceleration increases
    Acceleration becomes negative
    Acceleration stays the same
    Acceleration decreases
    30s
  • Q10
    What is the net force on an object that is not moving?
    The net force is one
    The net force is negative
    The net force is infinite
    The net force is zero
    30s
  • Q11
    What type of force slows down an object that is moving?
    Magnetic force
    Friction
    Gravitational force
    Electric force
    30s
  • Q12
    What is the force acting on a book lying on a table?
    The force of the table pushing up
    The force of gravity
    The force of wind resistance
    The force of friction
    30s
  • Q13
    Which of the following is NOT a type of star?
    Red Giant
    Comet
    Neutron Star
    White Dwarf
    30s
  • Q14
    What is the name of the galaxy that contains our solar system?
    Whirlpool
    Milky Way
    Andromeda
    Triangulum
    30s
  • Q15
    What is the name of the theory that explains the movement of the Earth's lithospheric plates?
    Plate tectonics
    Continental drift
    Weathering
    Rock cycle
    30s

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