WorksheetsModified Physical Science Semester 1 Final Exam
Total questions: 73
Worksheet time: 37mins
Name
Class
Date
1.
1) A sample of matter, either a single element or a single compound, that has definite chemical and physical properties is called ___________.
a)
mixture
b)
pure substance
c)
chemical formula
2.
2) A method of expressing a quantity as a number multiplied by 10 to the appropriate power is called ______________.
a)
scientific notation
b)
density
c)
length
3.
3) __________ is the measure of the straight-line distance between two points.
a)
weight
b)
mass
c)
length
4.
4) _____________ is the measure of the gravitational force exerted on an object.
a)
weight
b)
mass
c)
volume
5.
5) A change of matter from one form to another without a change in chemical properties is called _____________.
a)
chemical change
b)
physical change
c)
reactivity
6.
6) A factor that changes in an experiment in order to test a hypothesis is called a(n) _______________.
a)
chemical formula
b)
molecule
c)
variable
7.
7) The smallest unit of an element that maintains the chemical properties of that element is called a(n) ____________.
a)
atom
b)
molecule
c)
matter
8.
8) The application of science for practical purposes is called _____________.
a)
chemistry
b)
technology
c)
variable
9.
9) _______________ is the measure of the size of a body or region in three dimensional space.
a)
volume
b)
density
c)
weight
10.
10) ______________ is a combination of two or more substances that are not chemically combined.
a)
mixture
b)
compound
c)
none of the choices
11.
11) ___________ is the measure of the amount of matter in an object.
a)
mass
b)
weight
c)
density
12.
12) A(n) _____________ is a substance that cannot be separated or broken down into simpler substances by chemical means.
a)
molecule
b)
element
c)
compound
13.
13) A change that occurs when a substance changes composition by forming one or more new substances is called ____________.
a)
physical change
b)
chemical change
c)
reactivity
14.
14) __________ is the ratio of the mass of a substance to the volume of a substance.
a)
weight
b)
matter
c)
density
15.
15) The capacity of a substance to combine chemically with another substance is called _________________.
a)
flammability
b)
chemical change
c)
reactivity
16.
16) The temperature and pressure at which a solid becomes a liquid is called ______________.
a)
melting point
b)
boiling point
c)
chemical change
17.
17) A(n) ___________ is a substance made of atoms of two or more different elements joined by chemical bonds.
a)
mixture
b)
chemical formula
c)
compound
18.
18) A(n) ___________ is a combination of chemical symbols and numbers to represent a substance.
a)
compound
b)
chemical formula
c)
none of the choices
19.
19) A(n) ____________ is a group of atoms that are held together by chemical forces.
a)
atom
b)
molecule
c)
compound
20.
20) The temperature and pressure at which a liquid becomes a gas is called ___________.
a)
melting point
b)
boiling point
c)
condensation
21.
21) Anything that has mass and takes up space is called ___________.
a)
element
b)
compound
c)
matter
22.
22) _____________ is the process in which a solid changes directly into a gas.
a)
sublimation
b)
condensation
c)
evaporation
23.
23) The state of matter that starts as a gas and then becomes ionized is called _____________.
a)
solid
b)
gas
c)
plasma
24.
24) ______________ is the total kinetic energy of a substance's atoms.
a)
thermal energy
b)
viscosity
c)
energy
25.
25) The amount of force exerted per unit area of a surface is called ___________.
a)
thermal energy
b)
pressure
c)
energy
26.
26) ____________ is the resistance of a gas or liquid to flow.
a)
buoyant force
b)
viscosity
c)
fluid
27.
27) The upward force exerted on an object immersed in or floating on a fluid is called ____________.
a)
buoyant force
b)
viscosity
c)
energy
28.
28) _____________ is the capacity to do work.
a)
fluid
b)
buoyant force
c)
energy
29.
29) A(n) _____________ is the SI unit of pressure.
a)
pascal
b)
fluid
c)
thermal energy
30.
30) The change of a substance from a liquid to a gas is called ______________.
a)
sublimation
b)
condensation
c)
evaporation
31.
31) The change of a substance from a gas to a liquid is called ____________.
a)
sublimation
b)
condensation
c)
evaporation
32.
32) The nonsolid state of matter in which the atoms or molecules are free to move past each other is called a ________________.
a)
liquid
b)
gas
c)
fluid
33.
33) _____________ is the law that states that for a fixed amount of gas at a constant temperature, the volume of the gas increases as the pressure of the gas decreases and the volume of the gas decreases as the pressure of the gas increases.
a)
Boyle's Law
b)
Charles's Law
c)
Gay-Lussac's Law
34.
34) The law that states that the pressure of a gas increases as the temperature increases, if the volume of the gas does not change is called _________________.
a)
Boyle's Law
b)
Charles's Law
c)
Gay-Lussac's Law
35.
35) The law that states that for a fixed amount of gas at a constant pressure, the volume of the gas increases as the temperature of the gas increases and the volume of the gas decreases as the temperature of the gas decreases is called _____________.
a)
Boyle's Law
b)
Charles's Law
c)
Gay-Lussac's Law
36.
36) An action exerted on a body in order to change the body's state of rest or motion is called a(n) __________.
a)
force
b)
motion
c)
friction
37.
37) _____________ is the rate at which velocity changes over time.
a)
speed
b)
velocity
c)
acceleration
38.
38) The force that resists the initiation of sliding motion between two surfaces that are in contact and at rest is called _______________.
a)
friction
b)
static friction
c)
kinetic friction
39.
39) An object's change in position relative to a reference point is called ________________.
a)
motion
b)
frame of reference
c)
displacement
40.
40) ______________ is the distance traveled divided by the time interval during which the motion occurred.
a)
displacment
b)
velocity
c)
speed
41.
41) A system specifying the precise location of objects in space and time is called a(n) ______________
a)
frame of reference
b)
displacement
c)
motion
42.
42) The force that opposes the movement of two surfaces that are in contact and are sliding over each other is called ____________________.
a)
static friction
b)
kinetic friction
c)
friction
43.
43) ________________ is the change in position of an object.
a)
displacement
b)
motion
c)
velocity
44.
44) The speed of an object in a particular direction is called _______________.
a)
speed
b)
acceleration
c)
velocity
45.
45) ______________ is a force that opposes motion between two surfaces that are in contact.
a)
friction
b)
static friction
c)
kinetic friction
46.
46) Maria is 123 centimeters tall. Her height in meters is _________.
a)
0.123 m
b)
1.23 m
c)
12.3 m
47.
47) A loaf of bread weighs 1362 g. The weight in kilograms is ________.
a)
1.362 kg
b)
1362 kg
c)
01362 kg
48.
48) The chemical symbol for sulfuric acid is H2SO4. How many TOTAL atoms are contained in each molecule of sulfuric acid?
a)
5
b)
6
c)
7
49.
49) How many oxygen atoms are in one molecule of table sugar (C12H22O11)?
a)
11
b)
12
c)
22
50.
50) A material that can be represented by a chemical formula is
a)
an element.
b)
a mixture.
c)
a pure substance.
51.
51) Which of the following is NOT an example of a physical property?
a)
boiling point
b)
reactivity
c)
density
52.
52) Lead has a density of 11.3 g/ml and a mass of 282.5 g. What is its volume?
a)
2.5 ml
b)
25 ml
c)
250 ml
d)
2500 ml
53.
53) A substance has a mass of 360 g and a volume of 7.5 ml. What is its density?
a)
2700 g/ml
b)
270 g/ml
c)
480 g/ml
d)
48 g/ml
54.
54) Which of the following is an example of a physical change?
a)
dissolving salt in water
b)
burning wood into charcoal
c)
cooking an egg
55.
55) Grinding quartz crystals down to produce sand is an example of a
a)
chemical change.
b)
chemical reaction.
c)
physical change.
56.
56) Digesting food is an example of
a)
physical change.
b)
change of state.
c)
chemical change.
57.
57) Which of the following is an example of a chemical change?
a)
strumming a guitar
b)
grilling a burger
c)
melting of copper
58.
58) Which of the following is NOT a potential sign of a chemical change?
a)
release of gas
b)
evaporation of water
c)
production of gas
59.
59) The only state of matter that is NOT a fluid is
a)
gas.
b)
liquid.
c)
solid.
60.
60) Which state of matter has a definite volume, but not shape?
a)
gas
b)
liquid
c)
solid
61.
61) When ice melts to form water, energy
a)
is destroyed.
b)
is released.
c)
is absorbed.
62.
62) Which state of matter will hold its shape without a container?
a)
solid
b)
gas
c)
plasma
63.
63) The kinetic theory states that the higher the temperature, the faster the
a)
particles that make up a substance move.
b)
molecules of gas rush together.
c)
lighter particles within a substance clump together.
64.
64) The ability to change or to move matter is referred to as
a)
energy.
b)
evaporation.
c)
heating.
65.
65) Ice floats in water because it is
a)
more dense than water.
b)
less dense than water.
c)
colder than water.
66.
66) What determines the speed of the atoms and molecules of a particular substance?
a)
size of the atoms and molecules
b)
temperature of the substance
c)
both size of the atoms and molecules AND temperature of the substance
67.
67) What is the speed of an object that travels 54 ft is 7.2 s?
a)
388.8 ft/s
b)
7.5 ft/s
c)
0.13 ft/s
68.
68) How far has an object traveled if it is moving at 25 ft/s for 4.5 minutes?
a)
6,750 ft
b)
112.5 ft
c)
10.8 ft
69.
69) What is the speed of an object at rest?
a)
15 km/hr
b)
0 km/hr
c)
1 km/hr
70.
70) The difference between speed and velocity is that velocity includes
a)
direction
b)
distance
c)
time
71.
71) Which of the following does NOT indicate velocity?
a)
14 m/s SSE
b)
40 km/hr toward the town square
c)
28 km from Los Angeles to Catalina Island
72.
72) Which of the following is a displacement?
a)
5 m/s
b)
10 ft
c)
3 blocks east
73.
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