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Science Questions - All Grades

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Grade 7 Solvents, Solutes, and Solubility
Grade 8 Cell Structure and Function
Lysosomes in the cell work to                      .
  1. get rid of waste
  2. provide protein
  3. store all information
  4. transport materials
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 Properties of Matter
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 5 Magnetism and Electricity
Grade 6 Biomes
Grade 5 Inner Planets
Mars is the                 planet from the Sun.
  1. second nearest
  2. third nearest
  3. fourth nearest
  4. nearest
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 6 Forces and Motion
Average speed is equal to                .
  1. distance/time
  2. time/distance
  3. distance + time
  4. distance * time
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 4 Communities, Populations, and Ecosystems
Grade 5 Historical Geology
A fossil is                                                         .
  1. the imprint or remains of something that lived long ago.
  2. sedimentary rock formed from layers of sand and mud.
  3. the soft part of the animal from long ago.
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 Biotic and Abiotic
What are the nonliving parts of the ecosystem such as water, dirt, and air called?
  1. abiotic factors
  2. biomes
  3. biotic factors
  4. ecological factors
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