wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

2025 Phys. Sci Midterm Review

Total questions: 96

Worksheet time: 2hrs 53mins

Name
Class
Date
1.

Which best describes a chemical change?

a)

size change

b)

formation of a new substance

c)

reversible change

d)

change in state

2.

Which best describes a physical change?

a)

always releases heat

b)

creates new substance

c)

changes form but not identity

d)

produces gas

3.

Which is a sign of chemical change?

a)

cutting

b)

color change

c)

melting

d)

freezing

4.

Another sign of chemical change?

a)

tearing

b)

crushing

c)

gas production

d)

growth

5.

You know a new substance formed when:

a)

properties change

b)

temperature changes

c)

mass changes

d)

shape changes

6.

A ______ change produces a new substance.

a)

physical

b)

chemical

c)

nuclear

d)

mechanical

7.

Breaking a mirror is a:

a)

phase change

b)

reaction

c)

chemical change

d)

physical change

8.

Melting butter is:

a)

physical change

b)

chemical change

c)

synthesis

d)

oxidation

9.

Alcohol evaporating is:

a)

combustion

b)

burning

c)

chemical change

d)

physical change

10.

Silver tarnishing is:

a)

physical change

b)

chemical change

c)

freezing

d)

dissolving

11.

Food spoiling is:

a)

melting

b)

chemical change

c)

physical change

d)

condensing

12.

Burning paper is:

a)

physical change

b)

freezing

c)

condensing

d)

chemical change

13.

Hydrogen peroxide bubbling is:

a)

dissolving

b)

phase

c)

chemical

d)

physical

14.

Popsicle freezing is:

a)

combustion

b)

physical

c)

chemical

d)

reaction

15.

Rusting metal is:

a)

change of state

b)

dissolving

c)

physical

d)

chemical

16.

Baking bread is:

a)

physical

b)

chemical

c)

melting

d)

boiling

17.

Total atoms in Ca3(PO4)2 =

a)

12

b)

7

c)

13

d)

10

18.

Total atoms in CaOCl2 =

a)

6

b)

4

c)

3

d)

5

19.

Total atoms in MgCl2 =

a)

2

b)

4

c)

1

d)

3

20.

How many Sulfur atoms are in Na2SO4 =

a)

4

b)

2

c)

1

d)

3

21.

How many oxygen atoms are in Al2(SO4)3?

a)

3

b)

12

c)

9

d)

7

22.

How many oxygen atoms are in CO2?

a)

1

b)

2

c)

3

d)

4

23.

When balancing chemical equations, what do you change?

a)

formulas

b)

exponents

c)

coefficients

d)

subscripts

24.

Balancing chemical equations follows which law?

a)

definite proportions

b)

conservation of mass

c)

multiple proportions

d)

gravity

25.

Balance: Cs + MgF2 → CsF + Mg. Choose the correct coefficients.

a)

1 1 1 1

b)

2 1 2 1

c)

1 2 1 2

d)

2 2 2 2

26.

Balance: Al + CuCl2 → AlCl3 + Cu. Choose the correct coefficients.

a)

2 3 2 3

b)

1 1 1 1

c)

1 2 1 2

d)

3 2 3 2

27.

Balance: Fe + O2 → Fe2O3. Choose the correct coefficients.

a)

1 1 1

b)

2 1 1

c)

4 3 2

d)

3 2 1

28.

Balance: H2 + O2 → H2O. Choose the correct coefficients.

a)

1 2 2

b)

2 2 2

c)

2 1 2

d)

1 1 1

29.

Balance: KNO3 → KNO2 + O2. Choose the correct coefficients.

a)

2 1 1

b)

3 2 1

c)

2 2 3

d)

1 1 1

30.

Balance: NaCl + CaF2 → NaF + CaCl2. Choose the correct coefficients.

a)

1 1 1 1

b)

2 2 2 2

c)

2 1 2 1

d)

1 2 1 2

31.

Sugars and starches are classified as which macromolecule?

a)

lipids

b)

proteins

c)

carbohydrates

d)

nucleic acids

32.

Protein monomers are called what?

a)

sugars

b)

nucleotides

c)

fatty acids

d)

amino acids

33.

Carbohydrate monomers are called what?

a)

amino acids

b)

nucleotides

c)

glycerol

d)

monosaccharides

34.

Nucleic acid monomers are called what?

a)

amino acids

b)

sugars

c)

fatty acids

d)

nucleotides

35.

Lipid monomers are primarily what?

a)

sugars

b)

fatty acids

c)

nucleotides

d)

amino acids

36.

Enzymes are made of which macromolecule?

a)

sugars

b)

proteins

c)

acids

d)

fats

37.

What is the main function of enzymes?

a)

build cells

b)

make DNA

c)

speed up reactions

d)

store energy

38.

According to the graph shown, at approximately what temperature is maximum enzyme activity?

a)

60°C

b)

20°C

c)

80°C

d)

40°C

39.

Organic compounds always contain which elements?

a)

oxygen only

b)

nitrogen and sulfur

c)

carbon and hydrogen

d)

metals and salts

40.

CO2 is best classified as which type of compound?

a)

sugar compound

b)

basic compound

c)

organic compound

d)

inorganic compound

41.

C6H12O6 is best classified as which type of compound?

a)

salt compound

b)

basic compound

c)

inorganic compound

d)

organic compound

42.

NaCl is best classified as which type of substance?

a)

protein molecule

b)

carbohydrate molecule

c)

organic compound

d)

inorganic compound

43.

CH4 is best classified as which type of compound?

a)

organic compound

b)

inorganic compound

c)

basic compound

d)

ionic compound

44.

H2O is best classified as which type of substance?

a)

acid compound

b)

inorganic compound

c)

organic compound

d)

sugar compound

45.

C2H6 is best classified as which type of compound?

a)

basic compound

b)

inorganic compound

c)

organic compound

d)

salt compound

46.

Why is carbon considered the backbone of many molecules?

a)

forms four covalent bonds

b)

forms strong ionic bonds

c)

repels nearby atoms

d)

has zero electrons

47.

Carbon bonds easily primarily because it has how many valence electrons?

a)

one valence electron

b)

four valence electrons

c)

two electron shells

d)

very high atomic mass

48.

What process occurs in ionic bonding?

a)

transfer of electrons

b)

vibration of particles

c)

sharing of electrons

d)

fusion of atoms

49.

Ionic bonds most commonly form between which types of elements?

a)

metal and nonmetal

b)

metal and metal

c)

nonmetal and nonmetal

d)

noble gases and halogens

50.

Cations are usually which category of elements?

a)

metals

b)

halogens

c)

nonmetals

d)

noble gases

51.

Anions are usually which category of elements?

a)

nonmetals

b)

metals

c)

lanthanides

d)

alkali metals

52.

A cation is best described as which type of particle?

a)

positive ion

b)

negative ion

c)

compound unit

d)

neutral atom

53.

An anion is best described as which type of particle?

a)

compound unit

b)

neutral atom

c)

positive ion

d)

negative ion

54.

What is the correct name for the ionic compound LiF?

a)

lithium flouride

b)

lithium fluorine

c)

lithium fluoride

d)

lithium fluorite

55.

Which statement best distinguishes organic from inorganic compounds?

a)

organic compounds contain salts

b)

inorganic compounds contain hydrogen

c)

inorganic compounds are all metals

d)

organic compounds contain carbon

56.

What is the correct name for KCl =

a)

potasside chlorine

b)

potassium chloride

c)

potassium chlorate

d)

kalium chloride

57.

What is the correct name for Cs2O =

a)

carbon oxide

b)

calcium oxide

c)

cesium oxygen

d)

cesium oxide

58.

What is the correct name for Ca3P2 =

a)

carbon phosphide

b)

calcium phosphate

c)

calcium phosphide

d)

calcium phosphorus

59.

What is the correct formula for Magnesium sulfide =

a)

Mg2S2

b)

MgS

c)

Mg3S

d)

Mg2S

60.

What is the correct formula for Sodium oxide =

a)

Na2O

b)

Na2O2

c)

NaO2

d)

NaO

61.

What is the correct formula for Barium chloride =

a)

BaCl

b)

Ba2Cl

c)

BaCl3

d)

BaCl2

62.

What is the correct formula for Lithium nitride =

a)

LiN

b)

Li3N

c)

LiN3

d)

Li2N

63.

What is the correct formula for CO2 =

a)

carbon monoxide

b)

carbon dioxide

c)

dioxide carbon

d)

dicarbon oxide

64.

What is the correct scientific name for H2O =

a)

water

b)

dihydrogen monoxide

c)

hydrogen monoxide

d)

hydroxide

65.

What is the correct formula for Carbon monoxide =

a)

CO

b)

C2O

c)

O2C

d)

CO2

66.

What is the correct formula for Dinitrogen tetroxide =

a)

NO4

b)

N2O4

c)

N4O2

d)

N2O

67.

What is the correct formula for Sulfur dioxide =

a)

SO2

b)

SO

c)

S2O2

d)

S2O

68.

What is the correct formula for Phosphorus trichloride =

a)

PCl

b)

P3Cl

c)

PCl3

d)

P2Cl3

69.

Chlorine has how many valence electrons?

a)

5

b)

1

c)

7

d)

8

70.

Beryllium has how many valence electrons?

a)

8

b)

2

c)

4

d)

6

71.

Lewis dot diagrams show:

a)

neutrons

b)

protons

c)

valence electrons

d)

orbitals

72.

This Bohr models is for which element:

a)

Calcium

b)

Beryllium

c)

Carbon

d)

Flourine

73.

A insect like a water strider can skate along the top of a pond because:

a)

covalent bonds result in water cohesion

b)

hydrogen bonds result in water cohesion (surface tension)

c)

low surface tension of water

74.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
75.

Water travels up from the roots of a tree to the top because of

a)

adhesion and cohesion

b)

surface tension

c)

polarity

d)

capillary action

76.
Water droplets take a spherical shape (as pictured) because of ____________
a)
adhesion
b)
cohesion
c)
capillary action
d)
solubility
77.
A molecule with electrically charged areas is called a _______________.
a)
magnet
b)
polar molecule
c)
solution
d)
electrical molecule
78.
Which of the following is most likely to be basic:
a)
Lemon juice
b)
Vinegar
c)
Laundry detergent
d)
Coke
79.
Which of these pH values would indicate that a solution is a weak base?
a)
4
b)
5.6
c)
8
d)
13
80.
When dissolved in water, acids produce:
a)
bases
b)
salts
c)
hydrogen ions
d)
hydroxide ions
81.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide
82.
Which of these pH values would indicate that a solution is a weak base?
a)
4
b)
5.6
c)
8
d)
13
83.

Where are the most reactive non-metals located on the periodic table?

a)

The group at the far left side of the table, Alkali metals.

b)

The rows at the bottom of the table, Lanthanide and Actinide series.

c)

The second group from the far right side of the table, Halogens.

d)

The uppermost complete period of the table.

84.

An atom has an atomic number of 14 and a mass number of 30. How many protons are present in this atom?

a)

30

b)

16

c)

14

d)

44

85.

Which of the following groups of elements do not usually react with other elements?

a)

Carbon group

b)

Halogen group

c)

Alkali metal group

d)

Noble gases group

86.

Which of the following elements best represents the Bohr model shown in the picture?

a)

A Fluorine atom

b)

A Neon atom

c)

An Oxygen atom

d)

An Argon atom

87.

The states of matter are different in many ways, including shape and volume. These three figures show the particles in a solid, a liquid, and a gas.

Which number is correctly paired with the state of matter?

a)

1: liquid

b)

2: solid

c)

2: liquid

d)

3: gas

88.

Charles' Law States...

a)

As Volume goes up temperature goes up 

b)

As Pressure goes down volume goes down 

c)

As Pressure goes up volume goes down

d)

As Pressure goes up temperature goes up

89.

This graph is a representation of which gas law?

a)

Charles Law

b)

Boyles Law

c)

Gay-Lussacs Law

d)

Ideal Gas Law

90.

This graph is a representation of which gas law?

a)

Charles Law

b)

Boyles Law

c)

Gay-Lussacs Law

d)

Ideal Gas Law

91.

Use the graph below to answer this question. What state of matter would the substance be at point F?

a)

solid

b)

liquid

c)

gas

92.

Use the graph below to answer this question. Which phase change is taking place if the substance is losing energy from point C to point B?

a)

melting

b)

freezing

c)

evaporation

d)

condensation

93.

Use the graph below to answer this question. What happens to temperature at points B and D

a)

Temperature increases

b)

Temperature remains constant

c)

Temperature decreases

d)

Not enough information provided

94.

Which best describes precision?

a)

How close a measurement is to the true value

b)

How close repeated measurements are to each other

c)

The number of times measured

d)

The smallest unit of measurement

95.

Looking at the target diagrams, which shows high accuracy but low precision?

a)

A

b)

B

c)

C

d)

D

96.
Which group includes some of the most familiar elements like nickel, iron, and copper?
a)
Inner transition metals
b)
Transition metals
c)
Halogens
d)
Noble gases

Similar Resources on Wayground

All 6th Grade Science Content

95 questions

All 6th Grade Science Content

quiz

Worksheet

•

6th Grade - University

Physical Science Final

91 questions

Physical Science Final

quiz

Worksheet

•

9th Grade

Foundations of Agriculture Final

96 questions

Foundations of Agriculture Final

quiz

Worksheet

•

9th Grade

Sang cœur!

100 questions

Sang cœur!

quiz

Worksheet

•

9th Grade

Chapter 10: Climate Change

91 questions

Chapter 10: Climate Change

quiz

Worksheet

•

9th - 12th Grade

Alexander Earth & Space ACP Fall 2019

99 questions

Alexander Earth & Space ACP Fall 2019

quiz

Worksheet

•

9th - 12th Grade

Ecostudent Challenge 100 Question Quiz

100 questions

Ecostudent Challenge 100 Question Quiz

quiz

Worksheet

•

4th Grade - University

SEMESTER EXAM REVIEW - 2021

100 questions

SEMESTER EXAM REVIEW - 2021

quiz

Worksheet

•

9th Grade