WorksheetsFinal Exam: Physical Science
Total questions: 49
Worksheet time: 25mins
Name
Class
Date
1.
Electricity is...
a)
the flow of electrons
b)
a secondary source of energy (needs to have a source of energy produce it)
c)
can come from nonrenewable or renewable energy sources
d)
all of the above
2.
Which of Newton's laws of motion is also known as the action-reaction law
a)
Newton's 1st
b)
Newton's 2nd
c)
Newton's 3rd
3.
Which of Newton's laws of motion explains why a greater force acclerates a soccer ball farther than a smaller force
a)
Newton's 1st
b)
Newton's 2nd
c)
Newton's 3rd
4.
A rocket being propelled off its launch pad is a result of
a)
Newtons 2nd law
b)
Newtons 1st law
c)
Newtons 3rd law
5.
From the periodic table, how can you tell how many energy levels (orbitals) an atom has?
a)
group
b)
period
c)
atomic number
6.
What are valence electrons
a)
electrons on the outermost energy level
b)
electrons inside the nucleus
c)
electrons in the innermost energy level
7.
Which state of matter has the highest amount of kinetic energy
a)
solid
b)
liquid
c)
gas
8.
More kinetic energy means
a)
higher temperature
b)
lower temperature
c)
slower moving particles
9.
Compared to on Earth, your weight on the moon would be
a)
less
b)
more
c)
the same
10.
Work is being done on a pencil when you lift it up from the floor. That is because...
a)
the object does not move
b)
the object moves in the direction of the force
c)
you need a pencil to do school work
11.
What is the speed of a car that travels 500 km in 5 hours?
a)
20 km/hr
b)
0.100 km/kr
c)
100 km/hr
12.
If car A hits car B, the acceleration of car B depends on
a)
the force and the mass of car A
b)
the weight of car A
c)
how old the car is
13.
Any force that causes a change in the motion of an object is
a)
a push
b)
a pull
c)
unbalanced
14.
An object has no momentum if it is
a)
round
b)
not moving
c)
moving
15.
Newton's first law says that an object in motion will remain in motion because of
a)
inertia
b)
friction
c)
gravity
16.
Rain falls to the ground because of the force of
a)
magnetism
b)
friction
c)
gravity
17.
Velocity includes
a)
speed
b)
average speed
c)
speed and direction
18.
When a car accelerated, it changes
a)
time
b)
velocity
c)
inertia
19.
which subatomic particles are found in the nucleus
a)
protons and neutrons
b)
protons, neutrons, and electrons
c)
electrons and neutrons
20.
In order to find the number of neutrons in an atom you must subtract
a)
mass number-atomic number
b)
atomic number-mass number
c)
electron number-atomic number
21.
If the density of water is 1.0 g/cm3, which of the following will float?
a)
a cork: .95 g/cm3
b)
glass 1.2 g/cm3
c)
plastic: 1.2 g/cm3
22.
Which of the following is the correct energy transformation
a)
a grill converts sound energy to thermal energy
b)
a windmill converts motion to electrical energy
c)
the sun converts gravitational energy to radiant energy
23.
An object held in the air is experiencing which type of energy
a)
motion
b)
stored mechanical
c)
gravitational
24.
Which of the following is a
renewable resource
a)
solar
b)
natural gas
c)
coal
25.
Which of the following is not
included in the creation of hydroelectric power
a)
motion
b)
turbine
c)
solar power
26.
Energy stored in the sun
is
a)
nuclear
b)
motion
c)
electrical
27.
Which of the following statements is true according to the law
of conservation of energy?
a)
energy cannot be created
b)
energy cannot be destroyed
c)
all of the above
28.
Solar Panels convert what type of energy into electrical energy?
a)
chemical
b)
radiant
c)
stored mechanical
29.
The energy stored in
gasoline is
a)
chemical
b)
electromagnetic
c)
mechanical
30.
The energy of motion
is called
a)
kinetic
b)
potential
c)
thermal
31.
One kilometer equals 1000
meters. What does the prefix kilo- mean?
a)
1000
b)
10
c)
100
32.
The materials in the start of a chemical reaction are
called
a)
reactants
b)
products
c)
catalysts
33.
Which of the following is true about plasma
a)
lightning is plasma
b)
it is an excited gas
c)
both a and c
34.
A pure substance is an item
that always has the same composition and properties. Which of the following is NOT
a pure substance?
a)
element
b)
compound
c)
mixture
35.
Which list of elements
contains only metals?
a)
Na, Au, Ti
b)
P,N,O
c)
I, Fe, Ni
36.
The mass number of
an element is
a)
the sum of the protons and neutrons in the nucleus
b)
double the number of protons in one atom
c)
the number of neutrons
37.
Atoms want to have this
number of electrons in their second energy level
a)
2
b)
8
c)
18
38.
Which subatomic particle has a negative charge?
a)
electron
b)
neutron
c)
proton
39.
What type of change occurs
when water changes from a solid to a liquid
a)
melting
b)
freezing
c)
evaporation
40.
Matter that has a definite
volume and indefinite shape is a
a)
liquid
b)
solid
c)
gas
41.
A gas has
a)
definite volume and
indefinite shape.
b)
definite shape and
indefinite volume
c)
indefinite shape and indefinite volume.
42.
Which of the following is not a physical change
a)
water breaking down into hydrogen and oxygen
b)
ice being crushed
c)
water boiling
43.
Which of the following is a
chemical change?
a)
sawing a piece of wood in half
b)
burning a piece of wood
c)
water boiling
44.
A material that is malleable and conducts electricity is
most likely
a)
wood
b)
ice
c)
metal
45.
Which of the following has the highest viscosity?
a)
molasses
b)
milk
c)
water
46.
Which of the following is a heterogeneous
mixture?
a)
water
b)
solution
c)
jar of mixed nuts
47.
If a material contains two
elements chemically joined in a fixed proportion, it is a(an)
a)
atom
b)
solution
c)
compound
48.
What is the symbol
for aluminum?
a)
Al
b)
Aa
c)
A
49.
A substance that is made up of only one kind of atom is
a(an)
a)
compound
b)
homogeneuous
c)
element
100 %
