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Seventh Grade (Grade 7) Chemistry Questions

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Grade 7 Properties of Matter
                is anything that has                 and takes up space.
  1. Matter, mass
  2. Mass, matter
  3. Atom, mass
  4. Proton, matter
Grade 7 Molecules and Compounds
A chemical combination of two or more atoms is a(n)                .
  1. volume
  2. molecule
  3. chemical bond
  4. isotope
Grade 7 Biochemical Pathways
Photosynthesis takes place in the
  1. chloroplasts.
  2. mitochondria.
  3. nucleus.
  4. Golgi apparatus.
Grade 7 Atomic Structure
Electrons have                 .
  1. no charges
  2. positive charges
  3. negative charges
  4. fast charges
Grade 7 Acids and Bases
What is the most accurate way to see acidity or alkalinity?
  1. blue litmus paper
  2. red litmus paper
  3. universal litmus paper
  4. indicator
Grade 7 Properties of Matter
The amount of space that matter occupies is                .
  1. ore
  2. volume
  3. electrolysis
Grade 7 Atomic Structure
A neutral atom becomes a positive ion when it
  1. gains an electron.
  2. gains a proton.
  3. loses an electron.
  4. loses a proton.
Grade 7 Properties of Matter
A brick is an example of                .
  1. a liquid
  2. a solid
  3. plasma
  4. a gas
Grade 7 Atomic Structure
Matter is made up of                .
  1. atoms
  2. cells
  3. phospholipids
  4. sulfides
Grade 7 Macromolecules
What simple sugar is made during photosynthesis?
  1. water
  2. glycerine
  3. hydrogen
  4. glucose
Grade 7 Bonds and Mixing
In a mixture, substances
  1. keep their own properties.
  2. have a definite chemical composition.
  3. lose their original properties.
  4. combine chemically.
Grade 7 Periodic Table and Elements
In which direction do periods go on the Periodic Table?
  1. up and down
  2. across the table
  3. from the corners
  4. down
Grade 7 Properties of Matter
Which choice is associated with mass?
  1. It never changes
  2. Changes as gravity changes
  3. Measured on spring scale
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