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WorksheetsPhysical Science Final Review
Total questions: 72
Worksheet time: 2hrs 28mins
The smallest unit of matter.
element
atom
nucleus
Positively charged subatomic particles
protons
electrons
neutrons
nucleus
A subatomic particle with a neutral or no charge
protons
neutrons
electrons
The number on the periodic table for each element that shows how many protons and electrons it contains.
mass number
atomic number
valence electrons
The number of outermost electrons in the atomic structure.
protons
neutrons
valence electrons
atomic number
An organized diagram of all the elements.
periodic table
isotope notation
lewis dot diagram
A negatively charged subatomic particle.
protons
neutrons
electrons
Two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons and therefore different mass numbers.
mass number
isotope
valence electron
Group 2 of the periodic table contains 2 valence electrons and are also very reactive especially with the carbon family.
alkaline earth metals
transition metals
alkali metals
halogens
Group 7 of the periodic table, that starts with Fluorine, is not as reactive as the lower numbered groups but still commonly reacts with group 1.
noble gases
halogens
alkali metals
transition metals
Groups of common metals in the center of the periodic table with varying numbers of valence electrons.
alkali metals
alkaline earth metals
transition metals
noble gases
There are 2 types of chemical bonds ___________ and ____________.
metal, nonmetal
ionic, covalent
positive, negative
Any charged atom is called an _________.
cation
anion
ion
Elements commonly form compounds so that each atom is stable with ___________ electrons in its last energy level or shell.
1
2
6
8
Ionic bonds occur between a ____________ and non-metal.
nonmetal
metal
liquid
Covalent bonds occur between nonmetals and _______________.
metals
nonmetals
solids
liquids
Identify as ionic or covalent.
NaCl
ionic
covalent
Identify as ionic or covalent.
H2O
ionic
covalent
What is the chemical name of the following formula:
(the numbers are subscripts)
P4S5
hexasulfur pentaphosphorus
tetraphosphorus pentasulfide
disulfur pentasulfide
The force that opposes the sliding motion between touching surfaces is called ___________.
friction
speed
motion
___________ is a push or pull exerted on an object.
motion
force
speed
The property of a moving object that equals its mass times its velocity is called ____________.
weight
momentum
speed
__________ is the gravitational force exerted on an object.
speed
mass
weight
Match the correct formula for each motion concept.
speed
distance /time
velocity
distance/time with direction
momentum
mass X velocity
acceleration
final speed-initial speed/time
force
mass X acceleration
Newton’s 1st law of motion is known as the law of _____.
mass X acceleration
inertia
action-reaction
Newton's 3rd law of motion is known as the _______-_______ law.
inertia-action
action-reaction
force-mass
A flow of electricity that moves through several resistors all along the same path.
Parallel Circuit
Ohm's Law
Series Circuit
Static Electricity
A flow of electricity that moves through several resistors all on separate branching paths.
Static Electricity
Parallel Circuit
Series Circuit
Ohm's Law
This is an object that will allow a flow of current through it with very low resistance.
Insulator
Conductor
Flower
Electrolytes
This is an object that will not allow a flow of current through it (it has a very high resistance).
Insulator
Conductor
Flower
Electrolytes
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
10 m/s
1000 m/s
100 seconds
10 seconds
The clown walked 27 feet in 9 seconds. what was his speed?
18 feet/sec
243 feet/sec
36 feet/sec
3 feet/sec
At 60 seconds, how far had this object traveled?
0 m
10 m
20 m
40 m
What is an example of a radio wave?
Vision
Television
Heat lamp
Sunlight
The waves with the longest wavelength in the electromagnetic spectrum are...
X-rays
Infrared waves
Gamma rays
Radio waves
Which of the following occurs as a light wave bends when it passes from on medium to another?
constructive interference
refraction
reflection
destructive interference
Which type of wave can cause your skin to age prematurely?
Ultraviolet waves
radio waves
X-rays
A wavelength is the distance between which 2 points?
B and G
A and C
C and F
A and H
A seesaw is an example of a
wedge
lever
inclined plane
pulley
When force is used to move an object across a distance, this is called...
effort
power
energy
work
work is equal to _____________ multiplied by distance
power
friction
force
acceleration
How much work is done if I use 5N of force to move an object 2 meters?
10 Newtons
7 Newtons
10 Joules
7 Joules
energy of motion
thermal energy
sondensation
water vapor
kinetic enetgy
The ability or capacity to do work is called _____.
energy
force
work
Electric current flows from
detect electric current
negative terminal to positive terminal
positive terminal to negative terminal
the flow rate of electric charges through a conductor
Which of the following describes covalent bonds?
Bonds form because of opposite charges
electrons are shared to fill outer electron shells
Electrons are transferred between atoms
Covalent bonds are magical
Why do elements bond?
To be friends
To create a new element
To become stable
To get bigger
What type of decay is shown here
23892U ---> 23490Th + 42He.
alpha
beta
gamma
What type of nuclear decay is shown here
13756Ba →→ 13756Ba + γ rays
alpha
beta
gamma
finish the equation
18173Ta --> ____ + 18174W
42He
0-1e
y
_Zn+_HCl-->_ZnCl2 +_H2
_Mg + _Cl2 --> _MgCl2
How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?
83 grams
75 grams
40 grams
12 grams
