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WorksheetsPhysical Science Review
Total questions: 44
Worksheet time: 22mins
What are the building blocks of all matter?
forces
atoms
magnetic fields
kinetic and potential energy
How is 0.00069 written in scientific notation?
69 * 10-5
6.9 * 104
0.69 * 10-3
6.9 * 10-4
Which of the following are pure substances?
Compounds
Homogeneous mixtures
Colloids
Solutions
If a material contains three elements joined in a fixed proportion, it is a
Atom
Compound
Solution
Mixture
A substance has a melting point of 0 degrees Celsius and a boiling point of 100 degrees Celsius. It is most likely
Hydrogen
Gold
Water
Table Salt
Matter that has a definite volume but no definite shape is a
Plasma
Gas
Solid
Liquid
The phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first is
Sublimation
Deposition
Vaporization
Melting
Which subatomic particle has a negative charge?
Alpha particle
Electron
Neutron
Proton
To find the number of neutrons in an atom, you would subtract
Mass number from atomic number
Atomic number from electron number
Atomic Number from Mass Number
Isotope Number from Atomic Number
Which list of elements contains only metals?
Carbon, iodine, tin
Tin, copper, cesium
Helium, iron, copper
Iodine, carbon, argon
A member of the boron family has three valence electrons, while a member of the nitrogen family has
Four
Five
Three
None
In which step of the scientific method is information obtained through the senses?
Drawing conclusions
Making observations
Analyzing data
Revising a hypothesis
What are 6 centimeters equal to?
600 meters
6/10 of a millimeter
60 millimeters
600 millimeters
What is the symbol for aluminum?
AL
Al
Au
A
Which of the following is a heterogeneous mixture?
Water in a swimming pool
Sugar water
A jar of mixed nuts
Stainless steel
Which of the following is a chemical change?
Ice melting
Ice being carved
Water boiling
Water breaking down into hydrogen and oxygen
What is the result of a force distributed over an area?
Temperature
Volume
Pressure
Mass
J.J. Thomson's experiments provided evidence that an atom
Is the smallest particle of matter
Contains negatively charged particles
Has a negative charge
Has a positive charge
Which of the following is unique for any given element?
The number of neutrons
The charge on the electrons
The mass of a neutron
The number of protons
Moving from left to right across a row of the periodic table, which of the following values increases by exactly one from element to element?
Isotope number
Atomic number
Atomic mass unit
Mass number
As you move from left to right across a period, the number of valence electrons
increases
stays the same
increases and then decreases
decreases
Typically, atoms gain or lose electrons to achieve
an exchange of energy
ionization
a stable electron configuration
vaporization
The formation of an ionic bond involves the
transfer of electrons
transfer of neutrons
transfer of protons
sharing of electrons
Which of the following is an example of a safe laboratory procedure?
Typing back long hair and loose clothing
Eating or drinking from laboratory glassware
Touching hot objects with your bare hands
Testing an odor by directly inhaling the vapor
Which of the following conversion factors would you use to change 18 kilometers to meters?
1km/1000m
1000m/1km
100m/1km
1km/100m
On the Celsius scale, at what temperature does water boil?
212 degrees
0 degrees
100 degress
32 degrees
A substance that is made up of only one kind of atom is a
compound
element
homogeneous mixture
solution
The symbol for gold is
Au
Al
Gl
Go
Which of the following is a characteristic of a mixture?
has varying properties
has a fixed composition
contains only pure substances
has both varying properties and a fixed composition
Which of the following has the highest viscosity?
corn syrup
milk
water
orange juice
Which of the following is a physical change?
Sawing a piece of wood in half
Burning a piece of wood
Rust forming on an iron fence
A copper roof changing color from red to green
A gas has
A definite volume but no definite shape
A definite shape but no definite volume
no definite shape or definite volume
a definite volume and definite shape
If you move a substance from one container to another an its volume changes, the substance is a
Solid
Liquid
Gas
Solution
The phase change in which a substance changes from a solid to a liquid is
freezing
melting
sublimation
condensation
The Greek philosopher Democritus coined what word for a tiny piece of matter that cannot be divided?
element
atom
electron
molecule
In an atomic model that includes a nucleus, positive charge is
concentrated in the center of an atom
spread evenly throughout an atom
concentrated at multiple sites in an atom
located in the space outside the nucleus
Which statement about subatomic particles is NOT true?
Protons and neutrons have almost the same mass
Protons and electrons have opposite charges
Unlike protons and elections, neutrons have no charge
Protons and neutrons have the same charge
The number of protons in one atom of an element is that element's
mass number
isotope
atomic number
balanced charge
Which statement is true about oxygen-17 and oxygen-18?
They do not have the same number of protons
Their atoms have an identical mass
They are isotopes of oxygen
The have the same mass number
The unit for atomic mass is
Gram
a.m.u.
pound
none of the above
Atoms of the most reactive elements tend to have
One or seven valence electrons
Four or five valence electrons
Eight valence electrons
No valence electrons
The tendency of an element to react is closely related to
its atomic mass
attractions between its atoms
the number of valence electrons in atoms of the element
the ration of protons to neutrons in atoms of the element
Which of the following groups contain three elements with stable electron configurations?
Lithium, krypton, argon
Argon, neon, barium
Xenon, neon, boron
Helium, xenon, neon
Which of the following formulas represents a compound whose molecules contain a triple bond?
N0N
O=O=O
O3
SO3
