Practice Quiz

FCAT Grade 8 Science Assessment Practice Questions - Question List

Select how would you like to study

Study Mode Free Daily Question Test Mode
46. Max mixes 2 moles of MgCl2 into 1 liter of water and it completely dissolves. What is the molality of this solution?
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
See answer
47. An elastic collision is best defined as what?
  1. When kinetic energy is conserved before and after the collision.
  2. The two colliding bodies have conserved momentum, and stick together at the collision point.
  3. Potential energy is conserved before and after the collision.
  4. Sound or heat is generated during the collision.
  5. The colliding bodies are stretchy in nature and conserve their momentum.
See answer
48. Which of the following is true at the triple point in the phase diagram of a compound?
  1. It is the point at which the gas phase of the compound has triple its normal volume.
  2. It is the point at which the compound is a solid, liquid, and a gas.
  3. It is the point at which the compound turns into plasma.
  4. It is the point at which the compound is able to sublimate from solid to gas.
  5. None of the above are true.
See answer
49. According to the Arrhenius definition of an acid, an acid is:
  1. Anything capable of reducing pH in solution.
  2. Anything capable of producing hydrogen ions.
  3. Anything capable of donating electrons.
  4. A substance that tastes sour.
  5. None of the above
See answer
50. Elements, or single atoms, are built out of:
  1. Protons, kleptons, and quarks.
  2. Muons, neutrinos, and electrons.
  3. Electrons, protons, and neutrons.
  4. Neutrons, protons, and flavons.
  5. Croutons, electrons, and protons.
See answer

Select how would you like to study

Study Mode Free Daily Question Test Mode