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Eighth Grade (Grade 8) Science Questions

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Grade 8 Physics
Unlike the fission reaction, the fusion reaction requires                             for the process to occur.
  1. a lot of heat and energy
  2. no energy at all
  3. splitting of a heavy nucleus
  4. the rearrangements of atoms
Grade 8 Physics
The fusion reaction is a common type of                             .
  1. combustion reactions
  2. decomposition reaction
  3. double displacement reaction
  4. nuclear reaction
Grade 8 Atomic Structure
An atom with more electrons than protons would be considered a(n)
  1. metal atom.
  2. nonmetal atom.
  3. ion.
  4. atom of a metalloid.
Grade 8 Oceanography and Hydrology
Plants and trees surrounding a stream.
  1. vegetative buffer
  2. wetland
  3. ecological place
  4. garden
Grade 8 Zoology
What are baby great white sharks called?
  1. kits
  2. kids
  3. pups
  4. cubs
Grade 8 Development and Reproduction
Which of the following is a contraceptive method that prevents pregnancy even if there is a sexual intercourse?
  1. Condom
  2. Copper IUCD
  3. Both of them
  4. None of them
Grade 8 Environmental Science
Natural gas provides nearly                 of all the energy used in the United States.
  1. one-eighth
  2. one-quarter
  3. one-third
  4. about half
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