WorksheetsPhysical Science Review
Total questions: 30
Worksheet time: 11mins
Name
Class
Date
1.
An example of a chemical property of a substance is
a)
size
b)
shape
c)
melting point
d)
flammability
2.
A block of metal has a length of 5 cm, a height of 5 cm, and a width of 10 cm. What is the volume?
a)
25 cm2
b)
100 cm2
c)
250 cm2
d)
500 cm2
3.
When water freezes, it undergoes a
a)
chemical change
b)
physical change
c)
vaporization
d)
evaporation
4.
Crystalline solids have...
a)
a regular, repeating pattern of matter
b)
no regular, repeating pattern of matter
c)
a soft texture
d)
a hard texture
5.
Bromine has an atomic number of 35. From this information, you know that bromine has...
a)
35 protons and 35 electrons
b)
35 protons and 35 neutrons
c)
35 neutrons and 35 electrons
d)
35 protons and 37 neutrons
6.
The elements in one period of the periodic table...
a)
decrease in atomic mass from left to right
b)
have the same number of electrons
c)
increase in atomic number from left to right
d)
have the same number of protons
7.
All of the following are properties of metals except...
a)
malleability
b)
conductivity
c)
brittleness
d)
ductility
8.
When elements chemically combine, they form _____________ which have different properties than the original elements.
a)
compounds
b)
mixtures
c)
homogeneous mixtures
d)
heterogeneous mixtures
9.
A __________ has a definite shape and definite volume because its molecules are very close.
a)
liquid
b)
gas
c)
solid
d)
plasma
10.
A motor oil with a high viscosity will move through an engine quickly.
a)
True
b)
False
11.
The reactivity of metals tends to decrease as you move left to right across the periodic table.
a)
True
b)
False
12.
Alloys are used in machines instead of pure metals because alloys are __________ than pure metals.
a)
weaker
b)
stronger
c)
shinier
d)
more conductive
13.
The center of an atom is called its
a)
core
b)
nucleus
c)
middle
d)
center
14.
A vapor changing to a liquid is called...
a)
vaporization
b)
freezing
c)
condensation
d)
evaporation
15.
The number of protons and electrons in an atom is the same.
a)
True
b)
False
16.
The BEST evidence for a chemical reaction is...
a)
the production of a gas
b)
the creation of a new substance
c)
a change in color
d)
the formation of a solid
17.
A(n) ____________ reaction is one that gives off energy or heat.
a)
endothermic
b)
exothermic
c)
chemical
d)
physical
18.
A(n) ____________ reaction is one that takes in or absorbs heat.
a)
endothermic
b)
exothermic
c)
chemical
d)
physical
19.
If you increase the pressure at one end of a tube of toothpaste, the pressure at the other end...
a)
decreases the same amoun
b)
increases the same amount
c)
is not affected
d)
increases half the amount
20.
An object will ________ in water if its density is greater than the density of water.
a)
sink
b)
float
c)
bob up and down
d)
do the backstroke
21.
A force of 30N moves an object 5 meters. The amount of work done is...
a)
6 Joules
b)
150 Joules
c)
6 N/m2
d)
150 BTU
22.
To describe an object's velocity, you must know its...
a)
speed
b)
direction
c)
speed and direction
d)
momentum
23.
When energy transformations occur from one form to another,
a)
friction creates energy
b)
no energy is lost
c)
energy is lost unless the machine is 100% efficient
d)
work is transformed into power
24.
Heat is a transfer of ___________ energy.
a)
kinetic
b)
thermal
c)
electromagnetic
d)
electrical
25.
To calculate the momentum of any object, you must mulitply its...
a)
mass
b)
velocity
c)
mass and velocity
d)
velocity and volume
26.
The energy in fossil fuels originally came from the...
a)
moon
b)
sun
c)
oceans
d)
volcanic eruptions
27.
Electrical charges cannot easily flow through materials that are...
a)
insulators
b)
conductors
c)
superconductors
d)
solenoids
28.
What is the measure of how much mass is in a given volume?
a)
mass
b)
weight
c)
volume
d)
density
29.
The system of measurement used by scientists all over the world is the...
a)
Customary System
b)
International System of Units
c)
Imperial Units
30.
The internal combustion engine converts __________ energy in fuel to _____________ energy that forces engine parts to move.
a)
chemical, thermal
b)
thermal, chemical
c)
chemical, electrical
d)
chemical, electromagnetic
100 %
