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Seventh Grade (Grade 7) Chemistry Questions

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Grade 7 Acids and Bases
Grade 7 Properties of Matter
Grade 7 Properties of Matter
When sandpaper smooths a piece of wood, what type of change is it?
  1. change of matter
  2. physical change
  3. chemical change
  4. change of state
Grade 7 Macromolecules
Grade 7 Acids and Bases
Grade 7 Biochemical Pathways
Grade 7 Biochemical Pathways
Grade 7 Macromolecules
Grade 7 Macromolecules
DNA and RNA are examples of what type of macromolecule?
  1. proteins
  2. nucleic acids
  3. carbohydrates
  4. lipids
Grade 7 Macromolecules
DNA is a(n)                .
  1. carbohydrate.
  2. phospholipid.
  3. enzyme.
  4. nucleic acid.
Grade 7 Biochemical Pathways
Which of the following is not used by plants to conduct photosynthesis?
  1. Carbon Dioxide
  2. Sunlight
  3. Oxygen
  4. Water
  5. All of these are used by plants
Grade 7 Macromolecules
The sugar in fruits is an example of                        .
  1. a protein.
  2. a simple carbohydrate.
  3. a complex carbohydrate.
  4. a lipid.
Grade 7 Biochemical Pathways
The food produced by photosynthesis is __
  1. sucrose
  2. glucose
  3. maltose
  4. cellulose
Grade 7 Macromolecules
Grade 7 Biochemical Pathways
Grade 7 Macromolecules
Amylase and keratin are examples of what type of macromolecule?
  1. proteins
  2. nucleic acids
  3. carbohydrates
  4. lipids
Grade 7 Macromolecules
Which of the following are elements found in living things?
  1. nitrogen
  2. hydrogen
  3. sulfur
  4. All of the above
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