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Physical Science EOC 2021

Total questions: 97

Worksheet time: 2hrs 29mins

Name
Class
Date
1.

What subatomic particle is responsible for atoms bonding to form compounds?

a)

protons

b)

neutrons

c)

electrons

d)

quarks

2.

What state of matter has no definite shape or volume?

a)

solid

b)

liquid

c)

gas

d)

All matter has a definite shape and volume.

3.

Which is an example of a physical change?

a)

Iron rusting

b)

Silver tarnishing

c)

Mixing baking soda and vinegar

d)

Melting ice

4.

What is sublimation?

a)

Change from solid to liquid.

b)

Change from liquid to gas.

c)

Change from liquid to solid.

d)

Change from solid to gas.

5.

1. An object with a mass of 35.6 grams occupies 5.0cm3 of space. If density = mass / volume, then the object’s density is

a)

35.6 g/mL

b)

6.4 g/mL

c)

7.12 g/mL

d)

0.14 g/mL

6.

Identify the type of reaction: A + B-----> AB

a)

combustion

b)

synthesis

c)

decomposition

d)

single-displacement

7.

Identify the type of this reaction: AX + B ---->BX + A

a)

combustion

b)

decomposition

c)

double displacement

d)

single displacement

8.

Which object has the greatest inertia ?

a)

a tennis ball

b)

a bowling ball

c)

a beach ball

d)

a volleyball

9.

The law that states for every action force there is an equal and opposite reaction force is

a)

Newton's first law of motion

b)

Newton's second law of motion

c)

Newton's third law of motion

d)

the law of converation of momentum

10.

Freshly brewed black coffee

a)

Heterogeneous

b)

Homogeneous

11.

Dirt

a)

Heterogeneous

b)

Homogeneous

12.

Brass (an alloy of copper and zinc)

a)

Heterogeneous

b)

Homogeneous

13.

Identify the reaction type for the following equation:

K + F2 --> KF

a)

Double replacement

b)

Single Replacement

c)

Synthesis

d)

Decomposition

14.

Identify the type of reaction:

ZnCl2 + Mg --> Zn + MgCl2

a)

Precipitate

b)

Single Replacement

c)

Double Replacement

d)

Decomposition

15.

Identify the reaction type:

NaCl + KOH --> KCl + NaOH

a)

Double replacement

b)

Combustion

c)

Synthesis

d)

Decomposition

16.

Identify the reaction type:

H2O2 --> H2O + O2

a)

Decomposition

b)

Synthesis

c)

Combustion

d)

Acid Base

17.
What is the total number of atoms present in 5Na3PO4
a)
5
b)
40
c)
55
d)
8
18.
How many Mn atoms are found in the following compound?
3Cr(MnO4)6
a)
3
b)
4
c)
6
d)
18
19.
Is the following equation balanced?...
Al + O2 --> 2Al2O3
a)
Yes!
b)
No!
20.
How many aluminum atoms are in Al2(SO4)3?
a)
1
b)
2
c)
3
d)
4
21.
Is the following equation balanced?
2C2H2 + 5O2 --> 4CO2 + 2H2O
a)
yes
b)
no
22.
Is the following equation balanced?
4Fe + 3O2 --> 2Fe2O3
a)
yes
b)
no
23.
Which group has the greatest number of valence electrons?
a)
1
b)
14
c)
18
d)
16
24.
How many valence electrons are found in atoms of group 14?
a)
4
b)
3
c)
14
d)
16
25.

All atoms are most stable with (or would "prefer") how many electrons in their valence shell?

a)

1

b)

2

c)

8

d)

18

26.

Ionic bonds are formed between...

a)

Non - metals

b)

A metal and a non-metal

c)

Metals

27.

How is an ionic bond formed?

a)

Sharing of electrons

b)

Delocalised electrons

c)

Transfer of electrons

28.

What is the name of the electrons involved in bonding?

a)

Reaction electrons

b)

Dipoles

c)

Electrostatic

d)

Valence electrons

29.

Which of the following actions will NOT

increase the rate of dissolution

(dissolving) for solids?

a)

Stirring the solution

b)

Decreasing the temperature

c)

Increasing the surface area of the

solute

d)

Increasing the temperature

30.

What combination would dissolve a solid solute the fastest?

a)

high temperature, no stirring

b)

no heat, no stirring

c)

sugar cube, no heat

d)

high temperature, stirring

31.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
32.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
33.
Complete the sentence.
A substance that is more basic has a _____ pH than a substance that is acidic.
a)
lower
b)
higher
c)
the same
d)
none of the above
34.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
35.

Four substances were tested for pH, lemon juice (pH 2), baking soda (pH 9), bleach (pH 12), and milk (pH 6). Which of the following correctly lists the substances from most basic to acidic?

a)

lemon juice, milk, baking soda, bleach

b)

bleach, baking soda, milk, lemon juice

c)

milk, lemon juice, baking soda, bleach

d)

baking soda, bleach, lemon juice, milk

36.

lemon juice is a

a)

acid

b)

base

37.

bleach is

a)

an acid

b)

a base

38.

if you add an acid to a base what will happen?

a)

BOOM

b)

it will neutralize

c)

it wont mix

39.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
40.
What do acids do to red litmus paper?
a)
Turn it Red 
b)
Turn it Blue
c)
Turn it Yellow
d)
Turn it Green
41.
What do bases do to red litmus paper?
a)
Turn it Red 
b)
Turn it Blue
c)
Turn it Yellow
d)
Turn it Green
42.
What do bases do to blue litmus paper?
a)
Turn it Red 
b)
Turn it Blue
c)
Turn it Yellow
d)
Turn it Green
43.
What do acids do to blue litmus paper?
a)
Turn it Red 
b)
Turn it Blue
c)
Turn it Yellow
d)
Turn it Green
44.

Vinegar, fruit juice, and cola are examples of:

a)

strong acids

b)

strong bases

c)

strong bases

d)

weak acids

45.

NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?

a)

Acid

b)

Base

c)

Neither (Neutral)

46.

When the solution equilibrium point is reached and no more solute will dissolve, the solution is said to be _________.

a)

unsaturated

b)

saturated

c)

supersaturated

47.

What do you call a solution that contains less than the maximum amount of solute that is capable of being dissolved?

a)

unsaturated solution

b)

saturated solution

c)

supersaturated solution

d)

insoluble solution

48.

Which of the following best describes a supersaturated solution?

a)

a solution that contains the maximum amount of solute that is capable of being dissolved

b)

a solution that contains less than the maximum amount of solute that is capable of being dissolved.

c)

a solution that contains more than the maximum amount of solute that is capable of being dissolved.

d)

none of the above

49.

What is happening at E?

a)

Stationary

b)

Accelerating

c)

Fast steady speed; moving away from the starting position

d)

Steady speed; returning to start position

50.
What kind of acceleration is shown here?
a)
positive
b)
negative
c)
none
d)
varies
51.
What kind of acceleration is shown here?
a)
positive
b)
negative
c)
none
d)
varies
52.
Which section of the graph shows deceleration?
a)
AB
b)
BC
c)
EF
d)
GH
53.
The picture shows an electrical circuit. This circuit is a series circuit because: 
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
54.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
55.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
56.

Calculate the average speed of a car that travels 60 km in 2 hours.

a)

12 km/h

b)

30 km/h

c)

25 km/h

d)

35 km/h

57.

A bus travels 20 km in 30 minutes. What is the average speed of the bus?

a)

20 km/h

b)

30 km/h

c)

40 km/h

d)

50 km/h

58.

A car drives with a constant speed of 80 miles per hour. How far can it travel in 180 minutes?

a)

0.44 miles

b)

240 miles

c)

100 miles

d)

80 miles

59.

How will this object move?

a)

It won't move.

b)

It will move to the right.

c)

It will move to the left.

d)

It will move up.

60.

How will this object move?

a)

It won't move.

b)

It will move to the right.

c)

It will move to the left.

61.

What is the resultant force?

a)

40 N, Left

b)

0 N, Balanced

c)

400 N, Right

d)

40 N, Right

62.

Energy transfer that does not require matter

a)

Conduction

b)

Convection

c)

Radiation

d)

Induction

63.

Which of the following is the correct equation for calculating an object's gravitational potential energy?

a)

PE = mgh

b)

PE = mg / h

c)

PE = mg + h

d)

PE = gh

64.

What is the gravitational potential energy (GPE) of a 1 kilogram book that is 1 meter above the ground?

g = 9.8 m/s2

a)

9.8 Joules

b)

1.0 Joule

c)

0.10 Joule

d)

11.8 m/s2

65.
A 2600 kilogram car is moving at a speed of 25 m/s. How much kinetic energy does the car have?
a)
427,500 J
b)
237,500 J
c)
437,500 J
d)
537,500 J
66.

On Earth, a scale shows that you weigh 490 N. What is your mass?

a)

22 kg

b)

50 kg

c)

100 kg

d)

75 kg

67.
Billy was driving his car and when he reached the tollbooth he slowed from 190m/s to 12m/s in 20 second.
a)
-8.9m/s²
b)
8.9m/s²
c)
9.8m/s²
d)
-9.8m/s²
68.
The speed boats speed increased from 0m/s to 24m/s in a time span of 12 seconds.
a)
4 m/s²
b)
2 m/s²
c)
8 m/s²
d)
6 m/s²
69.
a)

Battery

b)

Lines

c)

Resistor

d)

bulb

70.
a)

resistor

b)

Ammeter

c)

Voltmeter

d)

Switch

71.
This is the symbol for a ...
a)
Bulb
b)
Battery
c)
Horn
d)
Fuse
72.

Which part of the wave is shown at letter A?

a)

amplitude

b)

crest

c)

trough

d)

wavelength

73.

Which part of the wave is shown at letter B?

a)

amplitude

b)

crest

c)

trough

d)

wavelength

74.

What part of the wave is shown at letter C?

a)

amplitude

b)

crest

c)

trough

d)

wavelength

75.

Which part of the wave is shown in letter D?

a)

amplitude

b)

crest

c)

trough

d)

wavelength

76.

Look at the arrows on the TOP of the image. What part of the wave are they?

a)

compression

b)

crest

c)

rarefaction

d)

trough

77.

Look at the arrows on the BOTTOM of the image. What part of the wave are they?

a)

compression

b)

crest

c)

rarefaction

d)

trough

78.

What type of wave behavior is shown?

a)

diffraction

b)

reflection

c)

refraction

d)

total internal reflection

79.

Which type of wave behavior is shown?

a)

diffraction

b)

reflection

c)

refraction

d)

total internal reflection

80.

What type of wave behavior is shown?

a)

diffraction

b)

reflection

c)

refraction

d)

total internal reflection

81.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
82.
Atoms with similar properties are most likely located...
a)
in the same period.
b)
in the same group.
c)
in different periods.
d)
to the right and left of each other.
83.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
84.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
85.
If an atom had the same properties as fluorine (F), it would probably be located in
a)
period 1.
b)
period 2.
c)
group 2.
d)
group 17.
86.
Measure mainly of the nuclear particles: protons + neutrons
a)
Subatomic Particles
b)
Atomic Number
c)
Atomic Mass
d)
Gluons
87.

Atoms of the same element with a different number of neutrons

a)

Ion

b)

alloy

c)

Isotope

d)

Quarks

88.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
89.
Where electrons are likely to be found as they travel around the nucleus
a)
Nucleus
b)
Electron Cloud
c)
Within a Proton
d)
Within a Neutron
90.
If 10 mg of iodine 131 is given to a patient, how much is left after 24 days? The half-life of iodine-131 is 8 days.
a)
1.25mg
b)
1.25g
c)
10g
d)
10mg
91.
The half-life of strontium-90 is 25 years. How much strontium-90 will remain after 100 years if the initial amount is 4.0 g?
a)
3.0g
b)
0.25mg
c)
0.3g
d)
0.25g
92.
What is the half-life of iodine-131?
a)
32 days
b)
8 days
c)
16 days
d)
24 days
93.

At constant pressure, how are the temperature and volume of a gas related?

a)

The are directly proportional

b)

They are inversely proportional

c)

They are constant

d)

They are indirectly proportional

94.

At constant temperature, when the volume of a gas is decreased, what happens to its pressure?

a)

It increases

b)

It decreases

c)

It will vary

d)

It remains constant

95.

At constant temperature, the pressure and volume of a gas are ______ proportional.

a)

inversely

b)

directly

96.

What happens to a volume of gas under constant temperature if the pressure decreases?

a)

The volume increases

b)

The volume decreases

c)

The volume remains the same

97.

At a constant volume, if the temperature increases the pressure will

a)

Increase

b)

Decrease

c)

Remain the same

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