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Seventh Grade (Grade 7) Chemistry Questions

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Grade 7 Macromolecules
Which macromolecules are long chains of amino acid molecules?
  1. proteins
  2. lipids
  3. carbohydrates
  4. nucleic acids
Grade 7 Macromolecules
What are the monomers of proteins?
  1. sugars
  2. carbon
  3. amino acids
  4. ribosomes
Grade 7 Bonds and Mixing
Jonny is mixing a solution in science class. He is told to mix sugar and oil. What will Jonny most likely conclude about his solution?
  1. Sugar is soluble in oil
  2. Sugar is insoluble in oil
  3. Oil is insoluble in sugar
  4. Oil is soluble in sugar
Grade 7 Biochemical Pathways
What is the first part of photosynthesis?
  1. Kreb's cycle
  2. Calvin cycle
  3. Light reactions
  4. Glycolysis
Grade 7 Solvents, Solutes, and Solubility
A solid solute that comes back out of solution is called a(n)                .
  1. solvent
  2. suspension
  3. aqueous
  4. precipitate
Grade 7 Periodic Table and Elements
Where is the atomic number for each element found on the Periodic Table?
  1. Top
  2. Center
  3. Bottom
  4. Outside Edges
Grade 7 Properties of Matter
Which statement about an object that has mass is NOT true?
  1. It has volume.
  2. It must be heavy.
  3. It takes up space.
  4. It is made of matter.
Grade 7 Biochemical Pathways
How do plants use carbon dioxide in photosynthesis?
  1. It is used for cellular respiration.
  2. It is used to produce sunlight.
  3. It is used to produce sugar.
  4. It is released as a product of photosynthesis.
Grade 7 Biochemical Pathways
What is the process in which substances are broken down to release energy?
  1. succession
  2. cellular respiration
  3. transverse
  4. photosynthesis
Grade 7 Acids and Bases
Ammonia and baking soda are examples of a(n)                  .
  1. acid
  2. base
  3. neutral substance
  4. none of the above
Grade 7 Properties of Matter
Anything that takes up space and has mass is                .
  1. gravity
  2. matter
  3. weight
  4. space
Grade 7 Macromolecules
Which macromolecules do not dissolve in water?
  1. proteins
  2. lipids
  3. carbohydrates
  4. nucleic acids
Grade 7 Biochemical Pathways
What process occurs in a plant cell and uses light from the Sun and carbon dioxide to create energy?
  1. respiration
  2. cellular respiration
  3. photosynthesis
  4. osmosis
Grade 7 Atomic Structure
Protons have a                 charge.
  1. negative
  2. positive
  3. neutral
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