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Seventh Grade (Grade 7) Science Questions

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Grade 7 Acids and Bases
If I have a solution with a pH of 3, what is it?
  1. acid
  2. base
  3. neutral
  4. none of the above
Grade 7 Tectonics
The epicenter of an earthquake is
  1. the location that emergency support workers meet during an earthquake.
  2. the size of an earthquake.
  3. the point on Earth's surface above where an earthquake occurs.
  4. the center of an earthquake.
Grade 7 Cell Structure and Function
Which describes the function of the mitochondria?
  1. director of all cell activities
  2. where proteins are made
  3. rigid outer covering that protects the cell and gives it shape
  4. where energy is released from the breakdown of food
Grade 7 Food Chains and Webs
Animals that eat the bodies of already-dead animals are
  1. herbivores.
  2. scavengers.
  3. prey.
  4. predators.
Grade 7 Botany
The landing of pollen on a stigma is
  1. fertilization.
  2. pollination.
  3. grain.
  4. egg.
Grade 7 DNA, RNA, and Genetics
When cells have paired chromosomes, they are
  1. haploid.
  2. diploid.
  3. singular.
  4. plural.
Grade 7 Bonds and Mixing
The solubility of most solids in water can be increased by                       .
  1. increasing the solvent
  2. increasing temperature
  3. stirring slowly
  4. increasing the solute
Grade 7 Properties of Matter
The color of your clothes is a(n)                   .
  1. chemical property
  2. physical property
  3. isotope property
  4. molecular property
Grade 7 Cell Structure and Function
Grade 7 Biotic and Abiotic
Abiotic factors are the
  1. non-living parts of an ecosystem.
  2. living organisms of an ecosystem.
Grade 7 Properties of Matter
Grade 7 Cell Structure and Function
What is the function of the large central vacuole in a plant cell?
  1. water storage and support
  2. protein production and digestion
  3. cellular respiration and photosynthesis
  4. waste disposal and genetic material storage
Grade 7 Cell Structure and Function
Grade 7 Properties of Matter
Grade 7 Communities, Populations, and Ecosystems
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