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WorksheetsSemester Final Review
Total questions: 71
Worksheet time: 36mins
Name
Class
Date
1.
The smallest particle that has the properties of an element.
a)
Neutrons
b)
Electrical Charge
c)
Protons
d)
Atom
2.
A tiny negatively charged subatomic particle outside the nucleus of an atom.
a)
Proton
b)
Atom
c)
Electron
d)
Neutron
3.
A neutral subatomic particle in the nucleus of an atom.
a)
Atom
b)
Electron
c)
Neutron
d)
Proton
4.
Which of the following properties uniquely identifies every element?
a)
Number of valence electrons
b)
Number of protons
c)
Phase at room temperature
d)
Charge of the atom
5.
Which of the following properties of carbon distinguishes it from all other elements?
a)
Carbon has six protons in its nucleus.
b)
Carbon can be found in Earth’s crust.
c)
Carbon is a gray solid at room temperature.
d)
Carbon forms compounds with oxygen.
6.
An electron in the outermost energy level of an atom.
a)
Ion
b)
Reactivity
c)
Valence Electron
d)
Electron Cloud
7.
The ability of a substance to combine chemically with another substance.
a)
Reactivity
b)
Electron Cloud
c)
Ion
d)
Valence Electron
8.
The atomic number of an element is equal to it's number of *
a)
Protons
b)
Atomic Mass
c)
Neutrons
d)
Valance Electrons
9.
How many electrons can an atom hold in the second energy level?
a)
2
b)
8
c)
18
10.
What is the greatest number of valence electrons an atom can have?
a)
2
b)
8
c)
3
d)
12
11.
Hallie draws the following image as a part of her physical science homework. What did Hallie draw?
a)
Bohr model
b)
Molecular formula
c)
Lewis structure
12.
The atomic mass (mass number) of an atom is equal to the
a)
protons only
b)
protons + neutrons + electrons
c)
protons + neutrons
d)
protons + electrons
13.
Atoms that gain or lose electrons, which change the electrical charge.
a)
Valence electron
b)
Electron cloud
c)
Ion
d)
Reactivity
14.
Most of the volume of an atom is made up from the:
a)
electron cloud
b)
protons
c)
nucleus
15.
Elements in Group 17 would want to react and combine with elements in Group:
a)
Group 3
b)
Group 14
c)
Group 2
d)
Group 1
16.
Why are Noble Gases (Group 18) NON- REACTIVE?
a)
They need two more electrons in outer shell
b)
They have a full outer shell of valence electrons
c)
They are neutral
17.
What is the mass number of the atom represented in the above graphic?
a)
8
b)
12
c)
6
d)
14
18.
Which two subatomic particles have approximately the same mass (both = 1 AMU)?
a)
Electron and neutron
b)
Neutron and proton
c)
Electron and proton
19.
Elements in the same vertical column on the periodic table are called
a)
period
b)
relative
c)
group
20.
Elements in the same horizontal row on the periodic table are in the same
a)
group
b)
period
c)
family
21.
All of the elements in a single period have the same
a)
number of energy levels/orbitals
b)
number of valence electrons
c)
number of electrons
d)
chemical properties
22.
Electrons fill an atom's energy levels according to what rule?
a)
2-8-8
b)
4-1-1
c)
9-1-1
23.
Elements are arranged on the Periodic Table of Elements are in _____________ order of the atomic number.
a)
increasing
b)
decreasing
24.
In a neutral atom, an atom's number of protons is equal to its number of
a)
valence electrons
b)
electrons
c)
neutrons
25.
What do you do to balance equations?
a)
add subscripts
b)
add more reactants
c)
add more products
d)
add coefficients
26.
How many Oxygen (O) atoms are in the following compound: Na2SO4
a)
1
b)
3
c)
4
d)
2
27.
Which of the following equations is balanced?
a)
Equation 1
b)
Equation 2
28.
I'm in Group 15 and Period 4. Which element am I?
a)
Titanium
b)
Vanadium
c)
Arsenic
d)
Zirconium
29.
How many protons, electrons, and neutrons does Phosphorus have (with an atomic mass rounded to 31)?
a)
15 protons, 16 electrons, 15 neutrons
b)
15 protons, 15 electrons, 15 neutrons
c)
15 protons, 15 electrons, 16 neutrons
d)
16 protons, 16 electrons, 16 neutrons
30.
Balance this chemical equation:
a)
3Al + 2O2 → 2Al2O3
b)
8Al + 6O2 → 4Al2O3
c)
2Al + 3O2 → 2Al2O3
d)
4Al + 3O2 → 2Al2O3
31.
A change in the size, shape, or state of matter.
a)
Physical change
b)
Chemical change
c)
Electron change
d)
Chemical reaction
32.
A solid that is deposited from a solution.
a)
Precipitate
b)
Evidence
c)
Substance
33.
A process that absorbs heat.
a)
Chemical reaction
b)
Exothermic reaction
c)
Endothermic reaction
34.
Which of the following is a sign that a chemical reaction has occurred?
a)
Melting
b)
Formation of a gas
c)
Dissolving
d)
Change in shape
35.
Is water evaporating from a pond a chemical or physical change?
a)
Physical
b)
Chemical
36.
Which is a physical change?
a)
Cooking an egg
b)
Burning a match
c)
Melting butter
37.
The sum of all the forces acting on an object.
a)
Friction
b)
Balanced Forces
c)
Unbalanced Forces
d)
Net Force
38.
The common units for speed in mathematics or physics are:
a)
miles per second
b)
miles per hour
c)
meters per second
d)
meters per hour
39.
How will this object move?
a)
It will move to the left.
b)
It will move up.
c)
It won't move.
d)
It will move to the right.
40.
The strength of a force is measured in
a)
meters
b)
ounces
c)
pounds
d)
newtons
41.
Calculate the net force.
a)
0 N
b)
20 N
c)
40 N
d)
10 N
42.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
10 N left
b)
60 N left
c)
60 N right
d)
50 N right
43.
Measurement of speed and direction of an object.
a)
Motion
b)
Frame of reference
c)
Speed
d)
Velocity
44.
The rate of change in an object's speed.
a)
Motion
b)
Acceleration
c)
Speed
d)
Velocity
45.
Speed is a vector quantity.
a)
True
b)
False
46.
Velocity is a vector quantity.
a)
True
b)
False
47.
A vector is symbolized by a(n):
a)
arrow
b)
line
c)
sentence
48.
An object at rest stays at rest or an object in motion stays in motion until unbalanced forces act upon it.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
49.
Newton's 2nd Law of Motion is also known as:
a)
Newton's Law of Inertia
b)
Newton's Law of Force and Acceleration
c)
Newton's Law of Action-Reaction
50.
Force =
a)
mass / acceleration
b)
mass x acceleration
c)
acceleration / mass
51.
If a bicycler travels 400 m in 100 s, how fast is he going?
a)
25 m/s
b)
4 m/s
c)
40 m/s
d)
100 m/s
52.
Acceleration =
a)
force / mass
b)
mass x force
c)
mass / force
53.
Newton's Third Law states that
a)
an object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted upon by an unbalanced force.
b)
for every action, there is an equal but opposite reaction.
c)
acceleration depends on the object’s mass and on the net force acting on the object.
54.
If Cason jumps on the ground and the ground pushes back with the same force, do the action-reaction forces cancel out?
a)
Yes
b)
No
55.
The spinning of Earth on its axis that causes day and night to occur.
a)
Rotation
b)
Tilt
c)
Orbit
d)
Revolution
56.
Move in an elliptical path around a center.
a)
Circle
b)
Revolution
c)
Tilt
d)
Rotation
57.
How long does Earth take to travel one complete revolution around the sun?
a)
365.00 days
b)
24 hours
c)
365.25 days
d)
29.5 days
58.
How long does Earth take to make one complete rotation?
a)
29.5 days
b)
365.25 days
c)
24 hours
d)
365.00 days
59.
Seasons are due to the
a)
rotation and tilt of the Earth.
b)
revolution and tilt of the Earth.
c)
rotation of the Earth only.
d)
revolution of the Earth only.
60.
When the Northern Hemisphere is pointing towards the sun, what season is the Southern Hemisphere?
a)
Summer
b)
Winter
c)
Spring
d)
Fall
61.
How many degrees is Earth tilted on its axis?
a)
32.5
b)
23.5
c)
25.3
d)
53.2
62.
Tides with the largest daily tidal range which occur when the Sun, Earth, and Moon line up with each other are known as
a)
neap tides.
b)
high tides.
c)
low tides.
d)
spring tides.
63.
Tides with the smallest daily tidal range which occur when the Sun, Earth, and Moon form a 90 degree angle.
a)
Low tide
b)
High tide
c)
Neap tide
d)
Spring tide
64.
Is light illuminated on the left or right side of them moon when the moon is WANING?
a)
Right
b)
Left
65.
Name the phase of this moon.
a)
Last quarter
b)
Waning gibbous
c)
Full Moon
d)
Waxing gibbous
66.
How many different sides of the moon do we see?
a)
1
b)
4
c)
2
d)
8
67.
Earth's tides are caused by
a)
gravitational pull from the Moon only.
b)
gravitational pull from mostly the Moon and minor gravitational pull from the Sun.
c)
gravitational pull from the Sun only.
68.
A galaxy with very little symmetry that does not fit into any category.
a)
Irregular-shaped galaxy
b)
Elliptical-shaped galaxy
c)
Spiral-shaped galaxy
69.
The Milky Way Galaxy is what type of galaxy?
a)
Irregular-shaped
b)
Elliptical-shaped
c)
Spiral-shaped
70.
This type of galaxy is forming new, big stars all the time.
a)
Irregular-shaped Galaxy
b)
Elliptical-shaped Galaxy
c)
Spiral-shaped Galaxy
71.
The Hertzsprung-Russell Diagram is a plot of the brightness/luminosity of a star vs. it's
a)
size.
b)
surface temperature.
c)
distance away from us.
d)
weight.
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