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Seventh Grade (Grade 7) Science Questions

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Grade 7 Cell Structure and Function
What organelle stores food and water?
  1. mitochondria
  2. cell wall
  3. vacuole
Grade 7 Cell Structure and Function
What is the function of the cell membrane?
  1. enables cell to move
  2. manufactures food
  3. processes energy
  4. regulates the interaction of the cell with its environment
Grade 7 Biochemical Pathways
In which process do producers use carbon dioxide, water, and sunlight to produce oxygen and glucose?
  1. nitrogen cycle
  2. photosynthesis
  3. precipitation
  4. water cycle
Grade 7 Cell Structure and Function
What structure uses energy from the Sun through photosynthesis to make oxygen and the sugar glucose?
  1. chloroplast
  2. cytoplasm
  3. centriole
Grade 7 Cell Structure and Function
Which two structures surround cells?
  1. cell wall and nucleus
  2. cell membrane and cell wall
  3. cytoplasm and cytoskeleton
  4. cell membrane and cytoplasm
Grade 7 Periodic Table and Elements
A pure substance that can not be broken down is a(n)                .
  1. compound
  2. element
  3. proton
  4. group
Grade 7 Periodic Table and Elements
O is the correct chemical symbol for oxygen.
  1. True
  2. False
Grade 7 Anatomical Organization
Which of the following best describes how the human body is organized, from the largest to the smallest structure?
  1. DNA, chromosomes, cells
  2. chromosomes, DNA, cells
  3. cells, DNA, chromosomes
  4. cells, chromosomes, DNA
Grade 7 Skin, Skeleton, and Muscles
What do vertebrates have that protects their brain?
  1. spinal cord
  2. backbone
  3. rib cage
  4. skull
Grade 7 Periodic Table and Elements
The Periodic Table contains all of the following except
  1. atomic number.
  2. chemical symbol.
  3. atomic mass.
  4. chemical formula.
Grade 7 Cell Structure and Function
Plant cells have                 that use light energy to make food.
  1. nuclei
  2. chloroplasts
  3. cell membranes
  4. cilia
Grade 7 Energy and Momentum
Stored energy is called kinetic energy.
  1. True
  2. False
Grade 7 Acids and Bases
A substance with a pH of 2 is a                .
  1. strong acid
  2. weak acid
  3. strong base
  4. weak base
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