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Grade 9 Molecules and Compounds
Which of the following is NOT a compound?
  1. NaCl
  2. Cacl
  3. C
  4. KCl
  5. NaOH
Grade 6 Atomic Structure
Positively-charged particles are called                .
  1. Protons
  2. Neutrons
  3. Electrons
  4. Electrolytes
Grade 10 Properties of Matter
Rusting is a                 change.
  1. physical
  2. static
  3. chemical
  4. thermal
Grade 2 Properties of Matter
A                has a definite shape.
  1. solid
  2. liquid
  3. water
  4. mass
Grade 2 Matter
What is anything that takes up space and has mass?
  1. mass
  2. volume
  3. melting
  4. matter
Grade 8 Matter
Matter is made of                  .
  1. matter
  2. particles
  3. gravity
  4. none of the above
Grade 8 Periodic Table and Elements
The atomic number of an atom is determined by the number of                .
  1. protons
  2. neutrons
  3. electrons
  4. isotopes
Grade 8 Biochemical Pathways
In what process do cells obtain energy from sugar molecules?
  1. photosynthesis
  2. nitrogen cycle
  3. respiration
  4. food chains
Grade 2 Matter
Which states of matter do NOT have a definite shape?
  1. gas, matter, and solid
  2. gas and liquid
  3. solid and liquid
Grade 8 Periodic Table and Elements
The Periodic Table has 7 groups.
  1. True
  2. False
Grade 5 Matter
The molecules in a liquid are
  1. closer together than in a solid and further apart than in a gas.
  2. are spaced the same as in solids and gases.
  3. closer than in gases but further apart than in solids.
  4. none of the above
Grade 6 Acids and Bases
You can determine the concentration of acids or bases in a solution by using
  1. the pH scale.
  2. a salt.
  3. the periodic table of elements.
  4. a particle accelerator.
Grade 7 Acids and Bases
Distilled water with a pH of 7 is                .
  1. a salt
  2. an alkali
  3. an acid
  4. neutral
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