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Science Questions - All Grades

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Grade 4 Rocks
Cooled lava on Earth's surface turns into                  .
  1. magma.
  2. sedimentary rock.
  3. metamorphic rock.
  4. igneous rock.
Grade 7 Properties of Matter
Grade 4 Food Chains and Webs
Grade 9 Heat Transfer
Friction causes kinetic energy to be converted into                  .
  1. potential energy
  2. thermal energy
  3. mechanical energy
  4. electrical energy
Grade 4 Forces and Motion
Which of the following is considered an invisible force?
  1. Gravity
  2. Friction
  3. Air resistance
  4. All of the above
Grade 7 Solvents, Solutes, and Solubility
Grade 5 Magnetism and Electricity
Grade 11 Forces and Motion
When an object is in free fall,                         .
  1. its speed stays the same
  2. it decelerates
  3. it accelerates
  4. none of the above
Grade 6 Biomes
Grade 5 Forces and Motion
Grade 7 Biotic and Abiotic
What are biotic factors?
  1. Earth's weather and climate
  2. Non-living parts of an ecosystem
  3. Living organisms in an ecosystem
  4. Landforms and waterfalls
Grade 8 Atomic Structure
Compared to the charge and mass of a proton, an electron has                                   .
  1. the same charge and a smaller mass
  2. the same charge and the same mass
  3. opposite charge and smaller mass
  4. opposite charge and the same mass
Grade 7 Periodic Table and Elements
Grade 9 Periodic Table and Elements
An element is a substance that                                              .
  1. exists naturally as a solid, liquid, and gas
  2. cannot be broken down into simpler substances
  3. is above 86 on the periodic table
  4. can be broken down only by chemical means
Grade 6 Forces and Motion
Average speed is equal to                .
  1. distance/time
  2. time/distance
  3. distance + time
  4. distance * time
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