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
51. If the pH of an acid is 1.5, then what is the pOH of its conjugate base?
  1. 12.5
  2. 1.5
  3. 7
  4. 10.5
  5. 14
See answer
52. Which of the following is exchanged in an oxidation-reduction reaction?
  1. Bond structure
  2. Hydrogen ions
  3. Electrons
  4. Protons
  5. Both electrons and protons are exchanged
See answer
53. Even when the surrounding air is very warm, metal objects usually stay quite cool to the touch. Which of the following explains this phenomenon?
I. A high heat capacity
II. Low heat transfer rate between metal and air
III. Low electric conductance of metals
  1. I only
  2. II only
  3. III only
  4. I and II
  5. II and III
See answer
54. Which of the following is not a rule when calculating the significant figures in a number?
  1. All zeroes are always significant.
  2. All non-zero numbers are significant.
  3. Zeroes written to the left of a decimal point are significant.
  4. Zeroes located between non zero numbers are significant.
  5. Zeroes at the end of a number are significant.
See answer
55. During the process of radioactivity, small particles are emitted from the atom or molecule in question. Which of the following types of particles can be emitted during radiation?
I. Electrons
II. Neutrons
III. Photon
  1. I only
  2. II only
  3. I and III
  4. II and III
  5. I and II
See answer

Select how would you like to study

Study Mode Free Daily Question Test Mode