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Physical Science Final Test Review

Total questions: 87

Worksheet time: 46mins

Name
Class
Date
1.
The speed and direction of a moving object.
a)
acceleration
b)
net force
c)
velocity
d)
maximum speed
2.
Substances with atoms that are all alike.
a)
element
b)
compound
c)
isotope
d)
ion
3.
A substance in which the atoms of two or more elements are combined in a fixed proportion.
a)
element
b)
isotope
c)
compound
d)
ion
4.
Possible explanation for a problem using what is known and what is observe.
a)
theory
b)
idea
c)
observation 
d)
hypothesis
5.
Tendency of an object to resist any change in motion.
a)
accleration
b)
velocity
c)
inerita
d)
net force
6.
The measure of the amount of matter in an object 
a)
Mass
b)
Weight
c)
Work
d)
Kinetic 
7.
__________ is stored energy. 
a)
Potential
b)
Kinetic
c)
None of the above 
d)
All of the above 
8.
The __________ contains the protons and neutrons of an atom, and is most of the mass of an atom
a)
Nucleus
b)
Atomic Number
c)
Atomic Mass
d)
Electrons
9.
Columns on the periodic table are known as ---
a)
Periods
b)
Groups/Families
c)
Rows
d)
Elements
10.
A combination of two or more substances that can be easily separated in some physical way.
a)
solution
b)
matter
c)
heat energy
d)
mixture
11.
properties of matter that can be observed, measured, or changed without changing the matter itself. 
a)
physical properties
b)
density
density
c)
magnetism
d)
insulator
12.
The amount of space that a substance or object takes up.
a)
mass
b)
insulator
c)
density
d)
volume
13.
Gasoline being flammable is an example of a
a)
chemical property
b)
physical property
c)
phase change
d)
none of the above 
14.
Color, shape, taste, and density are examples of ______________properties
a)
Chemical 
b)
Physical
c)
Heterogeneous
d)
Homogeneous
15.
Which phase change has a definite shape and volume?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
16.
Which phase of matter has no definite shape or volume?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
17.
An electron has a ____________ charge.
a)
Positive
b)
Negative 
c)
Neutral
d)
Not enough info.
18.
A proton has a ___________ charge
a)
Positive
b)
Negative
c)
Neutral
d)
Not enough info
19.
What does Newton's First law of motion state?
a)
For every action there is an equal and opposite reaction
b)
Force=mass x acceleration
c)
The Law of inertia, an object in motion will remain in motion until acted upon by an outside force.
d)
Energy cannot be created or destroyed, but only transferred. 
20.
What does Newton's second law of motion state?
a)
For every action there is an equal and opposite reaction. 
b)
Force = mass x acceleration
c)
The Law of inertia, an object in motion will remain in motion until acted upon by an outside force.
d)
Energy cannot be created or destroyed, but only transferred. 
21.
What does Newton's third law of motion state?
a)
For every action there is an equal and opposite reaction
b)
Force = mass x acceleration
c)
The law of inertia, an object in motion will remain in motion until acted upon by an outside force
d)
Energy cannot be created or destroyed, but only transferred 
22.
Which is not a state of matter?
a)
Solid
b)
Gas
c)
Temperature
d)
Plasma
23.
Thermal energy comes from what?
a)
Heat
b)
Water
c)
Wind 
d)
Light
24.
Describe melting.
a)
When liquid turns to solid
b)
When solid turns to liquid
c)
When liquid at the surface turns to gas
d)
When gas turns to liquid
25.
What is a state of matter where the molecules are moving very fast and freely? *
a)
gas
b)
liquid
c)
solid
d)
mass
26.
What is matter where the molecules are vibrating very slowly? 
a)
gas
b)
liquid
c)
solid
d)
mass
27.
Matter can be created during a chemical reaction.
a)
true
b)
false
28.
What is the symbol for carbon
a)
C
b)
Ca
c)
Fe
d)
Co
29.
The basic metric unit of measurement for length.
a)
liter
b)
meter
c)
inch
30.
The basic metric unit of measurement for volume.
a)
liter
b)
gram
c)
meter
31.
Rubbing your hands together is an example of....
a)
mass
b)
gravity
c)
force
d)
friction
32.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
33.
Jessica made a pitcher of lemonade. What can she do to dilute it if she thinks it doesn't taste right?
a)
Add water
b)
Add sugar
c)
Boil the lemonade
d)
Put it in the refrigerator 
34.
The mass you start with is the same as you end with, it may be in different forms 
a)
Law of Conservation of Mass
b)
Law of Conservation of Matter
c)
Law of Conservation of Properties
35.
This is a change in looks or appearance, and the substance does NOT change 
a)
Physical change
b)
Chemical Change
c)
Reactive change
d)
Property change
36.
 After completing an experiment, all chemical wastes should be
a)
taken home
b)
dumped in the sink
c)
disposed of according to your instructor’s directions
d)
left at your lab station for the next class
37.
Approved eye protection devices (such as goggles) are worn in the laboratory
a)
 to avoid eye strain
b)
to improve your vision
c)
only if you don’t have corrective glasses
d)
 any time chemicals, heat or glassware are used
38.

In the following, which number represents the coefficient? 5 Mg3(PO4)2

a)

3

b)

4

c)

5

39.

What is the charge of a sulfur ion?

a)

S+1

b)

S-1

c)

S-2

40.

2Na + Cl2 = 2NaCl. In that equation, “2Na + Cl2” are best described as the

a)

elements.

b)

reactants.

c)

products.

41.

According to the conservation of mass in a chemical reaction, the atoms on the product side of the chemical equation

a)

can increase.

b)

can decrease.

c)

can stay the same

42.

The charge of K is +1 and the charge of oxygen is -2. Therefore, the formula for

potassium oxide is:

a)

KO

b)

K2O

c)

2KO

43.

The correct chemical formula for beryllium phosphide is ______ (Hint: Look up

the charges.)

a)

Be3P2

b)

BeP

c)

Be2P3

44.

What type of elements give their electrons away?

a)

metals

b)

non-metals

c)

halogens

45.

The formation of an ionic bond involves the

a)

transfer of neutrons

b)

transfer of electrons

46.

Typically, atoms gain or lose electrons to achieve

a)

an exchange of energy

b)

stable electron configuration

c)

vaporization

47.

Which of the following is diatomic?

a)

NO2

b)

NO

c)

N2

48.

An atom can become negatively charged by

a)

gaining protons

b)

gaining electrons.

c)

losing electrons.

49.

A new element was discovered and placed into group 16. How many valence electrons does it have?

a)

2

b)

3

c)

6

50.

The maximum number of valence electrons in an atom with a stable electron configuration is

a)

4

b)

6

c)

8

51.

Atoms are normally neutral because they contain

a)

mostly neutrons

b)

equal numbers of protons and electrons

c)

greater number of protons

52.

If the mass number of an atom is 16 and the atomic number is 9, how many protons are present

a)

8

b)

9

c)

16

53.

The mass number is the sum of

a)

protons and neutrons

b)

neutrons and electrons.

c)

neutrons only

54.

Which subatomic particle(s) is equal to the atomic number?

a)

Proton

b)

Neutrons

55.

Which statement about subatomic particles IS TRUE?

a)

Protons and electrons are located in the nucleus

b)

Neutrons have a neutral charge

56.

If an unknown substance CANNOT be broken down into simpler substances, it is

a)

a compound.

b)

a mixture

c)

an element

d)

a suspension

57.

Bounty paper towels are advertised to have the best absorption (how much liquid it can hold), how can you test this?

a)

Look it up on the internet.

b)

Use different number of bounty paper towels & different amounts of water.

c)

Use the same amount of different brands of paper towels & same amount of water.

58.

When your teacher asks you to collect evidence during an investigation, which part of the scientific method are they referring to.

a)

collecting data

b)

designing an experiment

c)

creating a hypothesis

59.

You notice that the leaves on the trees change colors. Which of the following is NOT a good scientific question which can be tested?

a)

What causes leaves to change color?

b)

How does the amount of light cause the leaves to change color?

c)

Does the amount of precipitation (rain) cause the leaves to change color?

60.

An organized plan for solving problems by gathering, classifying, and

communicating information is called

a)

scientific method.

b)

scientific science

61.

Which of the following is NOT a safe laboratory practice?

a)

wearing eye goggles

b)

Following instructions carefully

c)

Wearing flip flops

62.

What will we study in physical science? Choose any that apply!

a)

Chemistry

b)

Biology

c)

Physics

d)

Ecology

e)

Zoology

63.

The chemical named "sodium chloride" has the common name...

a)

Vinegar

b)

Bleach

c)

Salt

d)

Sugar

e)

Sand

64.

Which of the following is NOT a safe laboratory practice?

a)

wearing eye goggles

b)

Following instructions carefully

c)

Wearing flip flops

65.

You notice that the leaves on the trees change colors. Which of the following is NOT a good scientific question which can be tested?

a)

What causes leaves to change color?

b)

How does the amount of light cause the leaves to change color?

c)

Does the amount of precipitation (rain) cause the leaves to change color?

66.

Which is not Matter?

a)

Ice

b)

Water

c)

Heat

d)

Air

67.

What is a solid?

a)

The particles are close together and locked in position, so they cannot move around each other and can only vibrate.

b)

Shape and volume are not fixed.

c)

Has a fixed volume and shape.

d)

Particles are pretty far apart and able to move around easily.

68.

What is a liquid?

a)

Particles are pretty far apart and able to move around easily.

b)

Shape and volume are not fixed.

c)

The particles are close together but they are able to move about.

d)

Has a fixed volume but does not have a fixed shape.

69.

What is a gas?

a)

The particles are spread apart and move freely in all directions.

b)

Does not have a fixed volume or shape. The amount of space that it takes up can change.

c)

Shape and volume of particles are fixed.

d)

Particles are very tightly packed, can only vibrate.

70.

The correct statement about elements are...

a)

proton: 3

electron: 7

neutron: 4

b)

proton: 3

electron: 4

neutron: 7

c)

proton : 3

electron : 4

neutron : 3

d)

proton: 3

electron: 3

neutron: 4

71.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
72.
A force is a _________ or a ___________.
a)
color    sound
b)
electricity    pull
c)
push    pull
d)
push     work
73.

Changes from a liquid state to a gas state.

a)

water vapor

b)

evaporate

c)

condenses

d)

solid

74.

Changes from a gas state to a liquid state.

a)

water vapor

b)

evaporates

c)

condenses

d)

gas

75.

Calculate the net force

a)

25

b)

65

c)

20

d)

15

76.

What is the net force?

a)

400

b)

800

c)

200

d)

600

77.

If you are pushing a 1200 kg car with an acceleration of 0.5 m/s2 , what is the force you have applied to the car?

a)

600

b)

2400

c)

4.16

d)

60

78.

calculate the force applied to a 5 kg shopping cart if it accelerates at 3 m/s2

a)

15

b)

1.67

c)

0.6

d)

1.57

79.

You publish an experiment in a scientific journal. What step of the scientific method is this?

a)

ask a question

b)

form a hypothesis

c)

collect the data

d)

communicate findings

e)

analyze and interpret data

80.
If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?
a)
True
b)
How fast you get to school
c)
Riding a bike or walking
d)
False
81.

The dependent variable is the variable that is _____

a)
the scientist controls what to test
b)
educated guess
c)
ask a question
d)

being measured

82.

When doing an experiment, which variable are you going to change?

a)
Dependent Variable
b)
Independent Variable
c)
Control group 
d)
Hypothesis
83.

Which of the following statements is correct?

a)

Protons are positively charged and neutrons are negatively charged.

b)

Protons are negatively charged and electrons are positively charged.

c)

Protons are positively charged and electrons are negatively charged.

84.

The aluminum ion is Al+3 while the sulfide ion is S-2. What would be the correct formula for aluminum sulfide?

a)

AlS

b)

Al2S3

c)

Al3S2

d)

AlS+1

85.

What would be the best name for B2S3?

a)

beryllium sulfide

b)

boron sulfide

c)

diboron trisulfide

d)

diboron trisulfate

86.

What is the correct formula for magnesium iodide?

a)

MgI

b)

MgI2

c)

Mg2I

d)

Mg2I2

87.

What phase change occurs when a solid turns directly to a gas?

a)

Freezing

b)

Condensation

c)

Sublimation

d)

Vaporisation

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