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Physical Science Final Exam Review
Physical Science Final Exam Review
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Physics- Motion, Newton's Laws, and Energy
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Questions
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Answers
1
Calculate the mass of an object moving with a 20N force and an acceleration of 5m/s
2
4kg
80kg
4N
80N
2
Which of Newton's laws is demonstrated?
1st Law
2nd Law
3rd Law
3
Results in a change in velocity
Unbalanced force
Balanced force
4
Heating curves
All of these.
Indicate the triple point and critical point.
Indicate the melting and boiling points with plateaus.
Show phase changes for various pressures.
5
Which subatomic particles are located inside the nucelus of an atom?
protons & neutrons
electrons & neutrons
protons & electrons
electrons & protons
6
Which process represents a chemical change?
Vinegar bubbles when baking soda is added
A metal bar is rolled into a flat sheet
A lake freezes over into ice
Sand, water, and salt combine to form a mixture
7
What happens to Kinetic Energy as Potential Energy is decreased?
Decreases
Increases
It stays the same
8
If the same force is applied to an object with a large mass, it will have a _____ acceleration.
larger
smaller
9
A characteristic of a moving object that is related to the mass and the velocity of the object?
projectile
inertia
momentum
terminal velocity
10
When the molecules's kinetic energy increases, that substance's _______________ increases
potential energy
temperature
molecules's intermolecular attraction
number of molecules
11
What is the acceleration of an object with a 60 Newton force that has a mass of a 6 kg?
10 m/s2
252N
252 m/s2
10N
12
Choose the chemical change
glass breaking
wood rotting
crushing a can
melting gold for jewelry
13
Describe the Net force.
Unbalanced 15 N right
Balanced 0 N
Unbalanced 185 N right
Unbalanced 15 N left
14
Which of the following graphs shows no motion on a distance vs time graph?
B
D
A
C
15
Is this equation balanced or unbalanced? 2Mg + O
2
----> 2MgO
Not enough information is given
Balanced
Unbalanced
16
Is this equation balanced or unbalanced? Na + Cl
2
----> NaCl
Not enough information is given
Balanced
Unbalanced
17
Two isotopes of an element have the same number of: (
clue: same atomic number but different mass number
)
neutrons
protons
photons
pokemons
18
A runner travels 1 lap or 400m's and stops. What is the runners displacement
400m
2cm
0m
1000km
19
Which of Newton's Laws of Motion does this represent?
2nd
3rd
1st
4th
20
Unlike distance,
displacement
also includes the _____________ of the path.
direction
color
distance
size
21
Elements in group 13 have _________ valence electrons.
3
2
1
22
Isotopes are atoms that have the same number of protons, but a different number of...
electrons
protons
charges
neutrons
23
Fill in the Blank: Kinetic energy is defined as energy in ____________.
Motion
Stored
Physics
Florida
24
Valence electrons are located _________.
inside the nucelus
in between the inner and outer shells
in the outer orbital shell
in the first orbital outside the nucleus
25
Which of the following contains kinetic energy?
A boulder sitting on the top of a mountain
A car driving 3 miles per hour
A pen sitting on the edge of a table
A soccer ball right before the kick
26
An object will move at the same velocity, which means at the same _____ and in the same______
speed and direction
time and place
distance and space
velocity and acceleration
27
According to atomic theory, electrons are usually found:
in the atomic nucleus
in rain clouds as lighting
in the carpet as you shock your pet
outside the nucleus
28
Calculate the amount of moles present in 18g of water - (Mr:H=1 O=16) - give your answer to 3SF
1
1.00
18.0
0.10
29
Motion Graphs
2
4
1
3
30
A jet flies at 200 miles per hour over a distance of 2000 miles. How long was their trip?
10 hours
20 hours
there is no way a jet flies that fast!
100 hours
31
Choose the best reference point!
Road Sign
Passenger
Car tire
Cyclist
32
Where would a rollercoaster have the least kinetic energy?
At the bottom of the tallest hill
In the loops
At the top of the tallest hill
Halfway down a tall hill
33
Which of Newton's laws describes the relationship between mass and force?
Newton's Law of Gravitation
Newton's 3rd Law
Newton's 2nd Law
Newton's 1st Law
34
What is the correct speed calculation for the
last 2 seconds?
speed = 10 / 2
speed = 30 / 4
speed = 20 / 4
speed = 10 / 4
35
Do endothermic reactions produce or absorb energy?
absorb
produce
36
The positive charges must equal the negative charges when calculating subatomic particles because
atomic mass units
main regions
The Periodic Table of Elements
atoms are neutral
37
Which of Newton's Laws does this image relate to?
Inertia
Newton's 3rd Law
Newton's 2nd Law
Newton's 1st Law
38
A change in position with respect to a reference point is
direction
accleration
motion
velocity
39
Which of Newton's laws is demonstrated?
3rd Law
2nd Law
1st Law
40
All of the following are examples of acceleration EXCEPT -
Moving in a straight line and at a constant speed
Slowing down
Speeding up
Changing directions
41
Between Distance and Displacement, which is often shorter?
Displacement
Distance
They're always the same
42
An object in motion/at rest stays in motion/at rest until acted upon by an unbalanced force...
Newton's 2nd Law
Newton's 1st Law
Newton's 3rd Law
43
Which line/curve represents an object traveling at a constant negative velocity?
C
B
A
D
44
When is the object accelerating?
from 0-10 s
from 50-70 s
both 0-10 and 50-70 s
never
45
How many electrons make up a FULL valence shell?
4
10
8
46
Which listing below shows the proper charges of the subatomic particles?
p = +1 n = 0 e = -1
p = +1 n = -1 e = 0
p = 0 n = +1 e = -1
p = -1 n = 0 e = +1
47
Which one of Newton's Laws supports the use of seatbelts?
1st
None
2nd
3rd
48
Covalent bonds form between...
A metal and a nonmetal
2 metals
2 nonmetals
49
Calculate the force of a 11 kg football player running (acceleration) at a rate of 3 m/s²
7N
7N
33N
33m/s
50
The greater the force applied to an object, the _____________ acceleration
lesser
greater
51
Which ball has more potential energy?
Green
Blue
52
Find the velocity of a train traveling 600 km southwest in a total of 6 hours.
3600 km/ hr SW
100 m/s SW
606 km/hr SW
100 km/hr SW
53
Which of Newton's laws is about inertia?
Fourth
Second
Third
First
54
Fill in the Blank: Potential energy is referred to as ___________ energy.
Motion
Stored
Mechanical
Kinetic
55
What is a force?
A push on an object
makes the object move or change direction
All of the above
A pull on an object
56
A horse travels 270 miles in 30 hours, what is its speed?
90 miles per hour
9 miles per hour
90 miles
9 hours
57
Describe the Net force:
Balanced 0 N
Unbalanced 2 N left
Balanced 22 N right
Unbalanced 2 N right
58
Which value is a velocity?
16 mi/hr
20 m/s North
47 km/hr
20 m/s
