Free Printable 23-24 Physical Science Test Questions - OL

Free Printable Worksheets

Worksheets

23-24 Physical Science Test Questions - OL

Total questions: 145

Worksheet time: 15hrs 56mins

Name

Class

Date

1.

There are 5 grams of carbon on the reactant side of a chemical equation,.

How many grams of carbon will be on the product side of the equation?

(a)

2.

How many atoms of Hydrogen are found on the reactant side?

(a)

3.

How many atoms of Carbon are found on the product side?

(a)

4.

Identify the reactants in the equation below.

(a)

5.

Identify the products in the equation below.

a)

HCl

b)

NaOH

c)

H₂O

d)

NaCl

6.

Identify the reactants in the equation below.

a)

CO₂

b)

H₂O

c)

C₆H₁₂O₆

d)

O₂

7.

Identify the products in the equation below.

a)

AgI

b)

Na₂S

c)

Ag₂S

d)

NaI

8.

How many total atoms are found on the reactant side?

(a)

9.

How many total atoms are found on the reactant side?

(a)

10.

How many total atoms are found on the product side?

(a)

11.

Is this equation balanced or unbalanced?

a)

balanced

b)

unbalanced

12.

Is this equation balanced or unbalanced?

a)

balanced

b)

unbalanced

13.

Is this equation balanced or unbalanced?

a)

balanced

b)

unbalanced

14.

Is this equation balanced or unbalanced?

a)

balanced

b)

unbalanced

15.

Is this equation balanced or unbalanced?

a)

balanced

b)

unbalanced

16.

Is this equation balanced or unbalanced?

a)

balanced

b)

unbalanced

17.

Is this equation balanced or unbalanced?

a)

balanced

b)

unbalanced

18.

Is this equation balanced or unbalanced?

a)

balanced

b)

unbalanced

19.

According to the Law of Conservation of Mass, how many grams of hydrogen are needed?

(a)

20.

According to the Law of Conservation of Mass, how many grams of sulfur (S) are needed?

(a)

21.

According to the Law of Conservation of Mass, how many grams of hydrochloric acid (HCl) are produced?

(a)

22.

According to the Law of Conservation of Mass, how many grams of Oxygen (O) are needed?

(a)

23.

What number should be placed in the blank in order for this equation to follow the Law of Conservation of Mass?

(a)

24.

In the chemical equation HCl + CaCO → _____, which of the following elements cannot be part of the products?

a)

Carbon

b)

Chlorine

c)

Nitrogen

d)

Oxygen

25.

How many Hydrogen are in 4H₂O?

a)

6

b)

8

c)

2

d)

4

26.

How many Magnesium are in 10MgCl₂?

a)

10

b)

5

c)

20

d)

1

27.

How many O's are in Al₂(SO₄)₃

a)

4

b)

12

c)

7

d)

24

28.

Number of H in 3(NH₄)₂CrO₄

a)

4

b)

2

c)

8

d)

24

29.

How many atoms are there TOTAL in:
H₂SO₄

a)

6

b)

5

c)

7

d)

3

30.

How many elements are in C₆H₁₂O₆?

a)

1

b)

2

c)

3

d)

4

31.

How many Sodium (Na) are in 6NaCl?

a)

1

b)

12

c)

6

d)

4

32.

How many oxygen (O) are in Al₂(SO₄)₃

a)

4

b)

12

c)

7

d)

24

33.

What is the total number of atoms in H₂O₂?

a)

2

b)

4

c)

3

d)

5

34.

What is the total number of atoms in C₈H₃NaBr₁₂?

a)

18

b)

12

c)

25

d)

24

35.

How many Chlorine (Cl) atoms are in 2CaCl₂?

a)

2

b)

4

c)

8

d)

1

36.

What is the total number of atoms in 3CO₂?

a)

9

b)

6

c)

12

d)

5

37.

How many Hydrogen are in 4H₂O?

a)

6

b)

8

c)

2

d)

4

38.

How many elements does PbNO₃ have?

a)

2

b)

3

c)

4

d)

5

39.

How many atoms are there TOTAL in:
H₂SO₄

a)

6

b)

5

c)

7

d)

3

40.

How many total atoms are in this compound?

a)

10

b)

7

c)

12

d)

3

41.

How many total atoms in the compound?

a)

3

b)

5

c)

6

d)

4

42.

How many total atoms in the compound?

a)

18

b)

10

c)

7

d)

3

43.

How many elements are in C₆H₁₂O₆?

a)

1

b)

2

c)

3

d)

4

44.

What is the Coefficient?

a)

4

b)

3

c)

1

d)

0

45.

How many oxygen atoms are found here?

Mg(NO₃)₂

a)

2

b)

4

c)

6

d)

8

46.

What kind of changes result in the substance changing into a new substance?

a)

Chemical changes

b)

Physical changes

47.

What happens in ALL chemical changes?

a)

Change in state of matter

b)

A new substance is formed

c)

Bubbles are produced

d)

An explosion

48.

Is wood burning a physical or chemical change?

a)

Physical

b)

Chemical

49.

Is milk going sour a physical or chemical change?

a)

Physical

b)

Chemical

50.

Is squeezing orange juice a physical or chemical change?

a)

Physical

b)

Chemical

51.

Is sharpening a pencil a physical or chemical change?

a)

Physical

b)

Chemical

52.

Two materials are combined and the solution begins to fizz. What kind of change is this?

a)

Chemical

b)

Physical

53.

Chemical Change or Physical Change?

a)

Chemical

b)

Physical

54.

Chemical Change or Physical Change?

a)

Chemical

b)

Physical

55.

Chemical Change or Physical Change?

a)

Chemical

b)

Physical

56.

Chemical Change or Physical Change?

a)

Chemical

b)

Physical

57.

Chemical Change or Physical Change?

a)

Chemical

b)

Physical

58.

How do chemical reactions form new substances?

a)

atoms break apart and combine back together to make new atoms

b)

molecules mix together and change size and position

c)

molecules break apart and combine back together to make new molecules

d)

the molecules dissolve in water to form solutions

59.

Which of the following is an example of a chemical reaction?

a)

Freezing liquid mercury

b)

Adding yellow to blue to make green

c)

Toasting a marshmallow

d)

Cutting a diamond

60.

Which of the following is evidence that a chemical reaction is occurring?

a)

unexpected color change

b)

change in shape

c)

temperature remains constant

d)

substance changes from a solid to a liquid

61.

Why is tearing a piece of paper a physical change?

a)

It changes the paper chemically

b)

It is physically difficult to tear

c)

The paper changes its size, but it's still paper

d)

It is not a physical change

62.

Is melting iron a physical or chemical change?

a)

Physical

b)

Chemical

63.

Is digesting your food a physical or chemical change?

a)

Physical

b)

Chemical

64.

Fireworks Exploding is a ________ change.

a)

Physical Change

b)

Chemical Change

65.

Choose all of the following that are PHYSICAL changes.

a)

b)

c)

d)

e)

66.

Choose all of the following that are CHEMICAL changes.

a)

b)

c)

d)

e)

67.

Which of the following is an Alkaline Earth Metal?

a)

Calcium (Ca)

b)

Lithium (Li)

c)

Phosphorus (P)

d)

Copper (Cu)

68.

Which of the following is a transition metal?

a)

Iron (Fe)

b)

Oxygen (O)

c)

Neon (Ne)

d)

Barium (Ba)

69.

Which of the following is a Halogen?

a)

Bromine (Br)

b)

Rubidium (Rb)

c)

Argon (Ar)

d)

Beryllium (Be)

70.

Which of the following is a Noble Gas?

a)

Krypton (Kr)

b)

Chlorine (Cl)

c)

Radium (Ra)

d)

Gallium (Ga)

71.

Which of the following is the most reactive group of non-metals?

a)

Metaliods

b)

Other Nonmetals

c)

Halogens

d)

Noble Gases

72.

Inert means "does not react". Which of the following groups is inert?

a)

Alkali

b)

Transition Metals

c)

Halogens

d)

Noble Gas

73.

Which color on the image of the periodic table corresponds with the noble gases.

a)

red

b)

black

c)

blue

d)

orange

74.

Which color on the image of the periodic table corresponds with the metalloids.

a)

yellow

b)

red

c)

black

d)

white

75.

Which family of elements react quickly to air and can cause fire or explosions when they come in contact with water?

a)

alkali metals

b)

noble gasses

c)

transition metals

d)

metalloids

76.

The periodic table is mostly comprised of what type of element?

a)

Metals

b)

Nonmetals

c)

Metalloids

77.

What is the most reactive nonmetal?

a)

Fluorine (F)

b)

Cesium (Cs)

c)

Oxygen (O)

d)

Bromine (Br)

78.

Which of the following is the most reactive metal?

a)

Fluorine (F)

b)

Potassium (K)

c)

Mercury (Hg)

d)

Cesium (Cs)

79.

A jewelry maker is designing a unique piece of jewelry for a special client. She should choose an element from which family for this purpose?

a)

Alkali metal

b)

Alkaline earth metal

c)

Transition metal

d)

Metalloid

80.

What is the name of the family group that is highlighted?

a)

Alkali Metal Family

b)

Halogen Family

c)

Noble Gas Family

d)

Transition Metal Family

81.

The image shows a piece of metal being added to water and reacting violently. That material is most likely ___________.

a)

Sodium (Na)

b)

Silver (Ag)

c)

Xenon (Xe)

d)

Fluorine (F)

82.

Aluminum foil was added to a test tube full of a reddish-brown liquid nonmetal from the halogen family. The material in the tube is most likely ___________.

a)

Bromine (Br)

b)

Sodium (Na)

c)

Iron (Na)

d)

Neon (Ne)

83.

Which element would you expect to have properties that are similar to those of Beryllium (Be)?

a)

Strontium (Sr)

b)

Carbon (C)

c)

Aluminum (Al)

d)

Sliver (Ag)

84.

Which element is in the same family as Boron (B)

a)

Gallium (Ga)

b)

Arsenic (As)

c)

Nitrogen (N)

d)

Nickel (Ni)

85.

Gold (Au) is a _______.

a)

Transition Metal

b)

Alkali Metal

c)

Alkaline Earth Metal

d)

Halogen

e)

Poor Metal

86.

The is family has properties of both metals and nonmetals.

a)

Alkali

b)

Halogens

c)

Nonmetals

d)

Metalloids

87.

Rank the following from MOST reactive (5) to LEAST reactive (1).

a)

Cesium (Cs)

b)

Rubidium (Rb)

c)

Potassium (K)

d)

Sodium (Na)

e)

Lithium (Li)

1)

2)

3)

4)

5)

88.

What does this model represent?

(Select the TWO that are correct)

a)

Pure Substance

b)

Mixture

c)

Atoms

d)

Molecules

89.

What does this model represent?

(Select the TWO that are correct)

a)

Pure Substance

b)

Mixture

c)

Atoms

d)

Molecules

90.

What does this model represent?

(Select the TWO that are correct)

a)

Pure Substance

b)

Mixture

c)

Element

d)

Compound

91.

This model shows a MIXTURE of MOLECULES.

What kind of molecules are they?

a)

Elements

b)

Compounds

c)

Both

92.

Which model best represents a MIXTURE of MOLECULES?

a)

A

b)

B

c)

C

d)

D

93.

Which model is a PURE SUBSTANCE made of only ATOMS?

a)

W

b)

X

c)

Y

d)

Z

94.

Which model shows a MIXTURE?

a)

A

b)

B

c)

C

d)

D

95.

Which images show models of pure substances?

a)

A

b)

B

c)

C

d)

D

96.

Which images show models of only molecules?

a)

A

b)

B

c)

C

d)

D

97.

Select the words that correctly describe the model shown here.

a)

Pure Substance

b)

Mixture

c)

Atoms

d)

Molecules

98.

Select the words that correctly describe the model shown here.

a)

Pure Substance

b)

Mixture

c)

Atoms

d)

Molecules

99.

Which model best represents AMMONIA: 1 Nitrogen (N) atom & 3 Hydrogen (H) atoms?

(Use your notes about the molecules you built during class)

a)

A

b)

B

c)

C

d)

D

100.

Which model best represents METHANE: 1 Carbon (C) atom & 4 Hydrogen (H) atoms?

(Use your notes about the molecules you built during class)

a)

A

b)

B

c)

C

d)

D

101.

Which model shows a MOLECULE of an ELEMENT?

a)

A

b)

B

c)

C

d)

D

102.

A glucose (C₆H₁₂O₆) molecule is show here.

Is glucose an element or a compound?

a)

Element

b)

Compound

103.

How many atoms are there in a molecule?

a)

no atoms

b)

1 atom

c)

2 or more atoms

d)

exactly 18 atoms

104.

Two or more atoms chemically bonded together are called a

a)

atom

b)

element

c)

molecule

d)

mixture

105.

Two or more DIFFERENT TYPES of atoms chemically bonded together are called a

a)

atom

b)

element

c)

compound

d)

mixture

106.

The picture shows a model of ETHANOL.

Select the TWO terms that correctly describe ethanol.

a)

Molecule

b)

Compound

c)

Atom

d)

Element

107.

Match the following molecules to the atoms they are made of

a)

1.

2 nitrogens

b)

2.

1 carbon, 4 hydrogens, & 1 oxygen

c)

3.

1 oxygen & 2 hydrogens

d)

4.

2 carbons & 4 hydrogens

e)

5.

2 oxygens & 2 hydrogens

108.

The picture shows the molecule acetylene built with a molecular modeling kit.

Which of the written models below matches this molecule?

a)

b)

c)

d)

e)

109.

Based on your knowledge and the pictures, which state of matter usually has the highest density?

a)

solid

b)

liquid

c)

gas

110.

Find the volume of this piece of brass.

a)

50 g

b)

10 cm

c)

6 cm³

d)

12 cm³

111.

The mass of an object is 30 g. The volume is 5 mL. What is the density of this object?

a)

6 g/cm

b)

6 g/mL

c)

6

d)

6 ml/g

112.

Jack has a small fishing weight. The weight has a mass of 14 g and a volume of 2 cm³. What is the density of the weight?

a)

7 mL

b)

7 g/cm³

c)

28 g/cm³

d)

1/7 g/cm³

113.

Using water displacement, what is the volume of the fish?

a)

40 ml

b)

6 ml

c)

38 ml

d)

32 ml

114.

What units are used when measuring volume?

(Select ALL that apply)

a)

ml

b)

g

c)

cm³

d)

cm

115.

What is the formula for calculating density?

a)

Mass x Volume

b)

Volume x Mass

c)

Mass ÷ Volume

d)

Volume ÷ Mass

116.

What property of matter is measured in grams (g)?

a)

Mass

b)

Length

c)

Volume

d)

Height

117.

Elise wants to classify matter based on a measurable property. Using the tool shown, how could she classify objects?

a)

by mass

b)

by volume

c)

by density

d)

by temperature

118.

A property that describes how tightly packed particles are in a substance

a)

Density

b)

Mass

c)

Volume

d)

Weight

119.

A crayon has a mass of 15g and volume of 5 mL. What is the density?

a)

30 g/mL

b)

15 g/mL

c)

5 g/mL

d)

3 g/mL

120.

Braeden wants to classify matter based on a measurable property. Using the tool shown, how could he classify objects?

a)

by mass

b)

by volume

c)

by density

d)

by temperature

121.

What is the volume of water in this graduated cylinder?

HINT: Each small line is measuring 0.5 ml

(Remember to read from the bottom of the water line)

a)

22 ml

b)

21.5 ml

c)

21 ml

d)

20.5 ml

122.

What is the length of the screw?

a)

5.0 cm

b)

5.1 cm

c)

51 cm

d)

6 cm

123.

What is the mass on the triple beam balance?

a)

211.1 g

b)

121.2 g

c)

120 g

d)

210.1 g

124.

Aluminum can be pressed and rolled into a flat sheet. What physical property allows aluminum to take this form?

a)

Malleability

b)

Hardness

c)

Brittleness

d)

Conductivity

125.

_________ is an example of an observable property.

a)

Temperature

b)

Volume

c)

Color

d)

Length

126.

_________ is an example of an measurable property.

a)

Temperature

b)

Texture

c)

Odor

d)

Malleability

127.

Matter is anything that has _______ and __________.

a)

volume

b)

malleability

c)

mass

d)

transparency

e)

luster

128.

The ability of a substance to break apart & dissolve in another substance is called _____.

a)

malleability

b)

conductivity

c)

solubility

d)

density

129.

Match the following

a)

how much light passes through a substance

1.

transparency

b)

the ability of a substance to be rolled into a shape

2.

malleability

c)

how easily a liquid drips or spreads out

3.

viscosity

d)

the shininess of a metal

4.

luster

e)

how easily energy moves through a substance

5.

conductivity

130.

Solid particles are...

a)

Tightly packed and vibrating

b)

Sliding past each other and flowing.

c)

Quickly moving in all directions.

d)

Tightly packed and bouncing off the walls

131.

Boiling is when matter changes from a _________.

a)

solid to a liquid

b)

solid to a gas

c)

gas to a liquid

d)

liquid to a gas

132.

Which TWO (2) things happen when a GAS becomes a LIQUID?

a)

the particles slow down

b)

the particles speed up

c)

the particles move further apart

d)

the particles move closer together

133.

Which TWO (2) things happen a liquid vaporizes?

a)

the particles slow down

b)

the particles move faster

c)

the particles move closer together

d)

the particles move farther apart

134.

Slower particles...

a)

have less heat energy

b)

are closer together

c)

have more heat energy

d)

are farther apart

135.

When a solid passes its melting point it becomes ________.

a)

liquid

b)

gas

c)

vapor

d)

condensation

136.

In what state of matter do particles have the most heat energy?

a)

solid

b)

liquid

c)

gas

137.

Which state of matter has particles that take the volume (fill up the entire space available to them) of their container?

a)

solid

b)

liquid

c)

gas

138.

Which state of matter moves and flows to fill the bottom of its container.

a)

Solid

b)

Liquid

c)

Gas

139.

When heat is added to a liquid and the temperature passes its boiling point it becomes ________.

a)

liquid

b)

gas

c)

solid

d)

condensation

140.

Which state of matter has particles arranged like this?

a)

solid

b)

liquid

c)

gas

141.

Which state of matter has particles arranged like this?

a)

solid

b)

liquid

c)

gas

142.

Which state of matter has particles arranged like this?

a)

solid

b)

liquid

c)

gas

143.

Which states of matter have a definite volume?

a)

Solid

b)

Liquid

c)

Gas

144.

Which states of matter have a shape that can change?

a)

Solid

b)

Liquid

c)

Gas

145.

Match the following

a)

1.

Melting

b)

2.

Vaporizing

c)

3.

Condensing

d)

4.

Freezing

Reset

Similar Resources on Wayground

150 questions

Grade 7 - EOT Part 1

Worksheet

•

7th Grade - University

141 questions

Food Chains / Energy Pyramid

Worksheet

•

7th Grade

149 questions

Weather Factors and Climate

Worksheet

•

7th Grade

146 questions

Electromagnetism

Worksheet

•

6th - 10th Grade

150 questions

Continental Drift and Plate Tectonics

Worksheet

•

7th Grade

145 questions

Astronomy Common Assessment Review (Part 1)

Worksheet

•

6th - 8th Grade

142 questions

Year 7 Unit 1 Particles ( Revision)

Worksheet

•

7th Grade - University

141 questions

Earthquakes Grade 7 Science

Worksheet

•

7th Grade