Clintondale Physical Science Exam Review

48 Questions | By Jdionne | Updated: Apr 21, 2023 | Attempts: 41

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Clintondale Physical Science Exam Review - Quiz

Think you are ready for the exam? ? Try this practice quiz to see how prepared you are.

Questions and Answers

1.

Which of the following is NOT a branch of natural science?
- A.
  
  Life science
- B.
  
  Earth and space sciences
- C.
  
  Physical science
- D.
  
  Social science
2.

Step of the In which step of the scientific method is information obtained through the senses?
- A.
  
  Drawing conclusions
- B.
  
  Making observations
- C.
  
  Analyzing data
- D.
  
  Revising a hypothesis
3.

What is a physical or mental representation of an object or an event?
- A.
  
  A theory
- B.
  
  A hypothesis
- C.
  
  A model
- D.
  
  A scientific law
4.

How is 0.00025 written in scientific notation?
- A.
  
  25 x 10-5
- B.
  
  2.5 x 10 4
- C.
  
  0.25 x 10 -3
- D.
  
  2.5 x 10 -4
5.

What is 1 centimenter equal to?
- A.
  
  100 meters
- B.
  
  1/10 of a millimeter
- C.
  
  10 millimeters
- D.
  
  100 millimeters
6.

What is the relationship in which the ratio of the manipulated variable and the responding variable is constant?
- A.
  
  Inverse proportion
- B.
  
  Direct proportion
- C.
  
  Slope
- D.
  
  Interdependent
7.

Which of the following are pure substances?
- A.
  
  Solutions
- B.
  
  Compounds
- C.
  
  Homogeneous mixtures
- D.
  
  Colloids
8.

If a material contains three elements joined in a fixed proportion, it is a
- A.
  
  Mixture
- B.
  
  Solution
- C.
  
  Atom
- D.
  
  Compound
9.

A mixture can be classified as a solution, suspension or colloid based on the
- A.
  
  Number of particles it contains
- B.
  
  Size of its largest particles
- C.
  
  Color of its particles
- D.
  
  Size of its smallest particles
10.

Filtration can be used to separate mixtures based on
- A.
  
  Their boiling points
- B.
  
  Their densities
- C.
  
  Their melting points
- D.
  
  The size of their particles
11.

Which of the following is NOT a clue that a chemical change has occurred?
- A.
  
  Change in color
- B.
  
  Production of a gas
- C.
  
  Formation of a precipitate
- D.
  
  Change in shape
12.

Which of the following factors affect the pressure of an enclosed gas?
- A.
  
  Temperature
- B.
  
  Volume
- C.
  
  Number of particles
- D.
  
  All of the above
13.

The temperature and volume in a closed container of gas remain constant. If the number of particles of gas is increased, the gas pressure will
- A.
  
  Increase
- B.
  
  Decrease
- C.
  
  Remain constant
- D.
  
  Cause a decrease in the average kinetic energy of the particles
14.

The law that states that the volume of a gas is directly proportional to its temperature in kelvins if the pressure and the number of particles is constant is
- A.
  
  Boyle's law
- B.
  
  Bose's law
- C.
  
  Einstein's law
- D.
  
  Charles' law
15.

During a phase change, the temperature of a substance
- A.
  
  Increases
- B.
  
  Decreases
- C.
  
  Stays the same
- D.
  
  Either increases or decreases depending on the change
16.

Which of the following phase changes is an endothermic change?
- A.
  
  Condensation
- B.
  
  Vaporization
- C.
  
  Deposition
- D.
  
  Freezing
17.

According to John Dalton's observations, when elements combine in a compound,
- A.
  
  The ratio of their masses is always the same
- B.
  
  Each element contributes an equal number of atoms
- C.
  
  Their volumes are always equal
- D.
  
  Their masses are always equal
18.

Who provided evidence for the existence of a nucleus in an atom?
- A.
  
  John Dalton
- B.
  
  JJ Thomson
- C.
  
  Democritus
- D.
  
  Rutherford
19.

In an atomic model that includes a nucleus, positive charge is
- A.
  
  Concentrated in the center of the atom
- B.
  
  Spread evenly throughout an atom
- C.
  
  Concentrated at multiple sites in an atom
- D.
  
  Located in the space outside the nucleus
20.

In Neils Bohr's model of the atom, electrons move
- A.
  
  Like balls rolling down a hill
- B.
  
  Like planets, orbiting the sun
- C.
  
  Like popcorn in a popcorn popper
- D.
  
  Like beach balls on water waves
21.

What can you assume has happened if an electron moves to a higher energy level?
- A.
  
  The atom has become more stable
- B.
  
  The electron has lost energy
- C.
  
  The electron has gained energy
- D.
  
  The atom has lost an electron
22.

What is the difference between an atom in the ground state and an atom in an excited state?
- A.
  
  The atom in the ground state has less energy and is less stable than the atom in an excited state.
- B.
  
  The atom in an excited state has one fewer electron that the atom in the ground state.
- C.
  
  The atom in an excited state has more energy and is less stable that the atom in the ground state.
- D.
  
  The atom in an excited state has one more electron that the atom in the ground state.
23.

In a periodic table, a set of properties repeats from
- A.
  
  Element to element
- B.
  
  Group to group
- C.
  
  Column to column
- D.
  
  Row to row
24.

One-twelfth the mass of a carbon-12 atom is used to define a
- A.
  
  Atomic number
- B.
  
  Atomic mass
- C.
  
  Mass number
- D.
  
  Atomic mass unit
25.

How is the atomic mass of an element determined?
- A.
  
  Average the atomic masses of all its isotopes
- B.
  
  Use the atomic mass of the most abundant isotope
- C.
  
  Take a weighted average of the masses of the isotopes present in nature
- D.
  
  Count the number of protons and neutrons in an atom of the element