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Classification of Matter Test Review

Total questions: 125

Worksheet time: 4hrs 10mins

Name
Class
Date
1.
Which of the following numbers has three significant figures?
a)
1014 miles
b)
101 feet
c)
1000 yards
d)
all of the choices
2.
How many significant figures does the following number have: 0.002040
a)
6
b)
4
c)
3
d)
2
3.
How many significant figures does the following number have: 0.998005
a)
9
b)
10
c)
6
d)
5
4.
Round 0.010229 to four significant figures
a)
1022
b)
1023
c)
0.01023
d)
0.01022
5.
What is 0.658 rounded to 1 significant figure?
a)
0
b)
0.66
c)
0.7
d)
0.658
6.
Calculate 5.50 cm + 5.5 cm and give your answer with the correct number of significant figures.
a)
11 cm
b)
11.0 cm
c)
11.00 cm
d)
11.000 cm
7.
Calculate 12.34 + 1.234 + 0.1234 and give your answer with the correct number of significant figures.
a)
13.6974
b)
13.697
c)
13.70
d)
13.7
8.
Calculate 345.009 g - 23.00 g and give your answer with the correct number of significant figures.
a)
322.01 g
b)
322 g
c)
322.009 g
d)
322.0
9.
Calculate 7.987 m - 0.54 m and give your answer with the correct number of significant figures.
a)
7.45 m
b)
7.447 m
c)
7.4 m
d)
7.5 m
10.
Calculate 1.23 m x 0.89 m and give your answer with the correct number of significant figures.
a)
1.0 m2
b)
1.1 m2
c)
1.0947 m2
d)
1.095 m2
11.
Calculate 923 g ÷ 20312 cm3 and give your answer with the correct number of significant figures.
a)
0.04 g/cm3
b)
0.045 g/cm3
c)
0.0454 g/cm3
d)
0.05 g/cm3
12.
Calculate 0.020 cm x 50 cm x 11.1 cm and give your answer with the correct number of significant figures.
a)
10 cm3
b)
11.1 cm3
c)
11 cm3
d)
11. cm3
13.
(2 x 109)(4 x 10-4)
a)
8 x 1013
b)
8 x 1036
c)
8 x 105
d)
8 x 10-36
14.
5 x 1012
------------
2 x 106
a)
2.5 x 102
b)
2.5 x 106
c)
3 x 102
d)
2.5 x 1018
15.

Convert this number into scientific notation: 0.068

a)

6.9 x 106

b)

6.8 x 10-9

c)

6.8 x 10-2

d)

None of the above

16.

Convert this number into scientific notation: 950,000

a)

9.5 x 105

b)

9.5 x 10-9

c)

9.5 x 102

d)

None of the above

17.
Express the following in scientific notation:
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
18.
Solve the following using the proper significant figures.
6.34 x 10-9
____________
2.1 x 108
a)
3 x 10-17
b)
3.033 x 10-17
c)
3.03 x 10-17
d)
3.0 x 10-17
19.

What is the correct reading of the water level in the image?

a)

40 mL

b)

39.0 mL

c)

38.5 mL

d)

38.0 mL

20.
Divide:
(6.9 x 107) / (2.3 x 10-3)
a)
3 x 1010
b)
3 x 104
c)
3 x 10-4
d)
3 x 10-11
21.
Write the answer in scientific notation.
7.3 x 105  +   3.7 x 105  =
a)
11.0 x 105
b)
1.1 x 1010
c)
1.10 x 1011
d)
1.1 x 10 6
22.
Write the answer in scientific notation.
5 x 108 -   3.4 x 108  =
a)
2.4 x 108
b)
2.4 x 100
c)
1.6 x 100
d)
1.6 x 108
23.
How would you write 564,000,000 in scientific notation?
a)
5.64 x 10-7
b)
5.64 x 106
c)
5.64 x 108
d)
56.4 x 107
24.

What is the result of 1345.567 divided by 23.56? (Use significant figures!)

a)

57.11

b)

58.11

c)

56.75

d)

83.49

25.

Calculate 1.23 m x 0.89 m and give your answer with the appropriate number of significant figures.

a)

1.0 m2

b)

1.1 m2

c)

1.0947 m2

d)

1.09 m2

26.

Calculate 12.34 + 1.234 + 0.1234. Use only sig fig in your answer

a)

13.6974

b)

13.697

c)

13.70

d)

13.7

27.

Convert 4.2 seconds to hours

a)

0.00117 hours

b)

252.0 hours

c)

0.05 hours

d)

1.2 hours

28.

Convert 354 grams to kg

a)

0.354 kg

b)

3.54 kg

c)

35400 kg

d)

3540 kg

29.

Convert 26.2 m/s to km/hr

a)

94.32 km/hr

b)

3.41 km/hr

c)

2.64 km/hr

d)

0.98 km/hr

30.
Try to change the number back to standard form: 3.97  x  10-2
a)
0.000397
b)
0.0397
c)
0.0000397
d)
0.397
31.
Try to change the number back to standard form: 3.97  x  10-2
a)
0.000397
b)
0.0397
c)
0.0000397
d)
0.397
32.

Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?

a)

3 g/cm3

b)

0.33 g/cm3

c)

27 g/cm3

d)

39 g/cm3

33.
A student knows the mass of an object. What other variable does the student need to know to calculate the object's density?
a)
Color
b)
Weight
c)
Volume
d)
Length
34.

A mechanical pencil has the density of 3.0 g/mL. The volume of the pencil is 15.8 mL. What is the mass of the pencil?

a)

47.4 g

b)

50 g

c)

0.190 g

d)

5.27 g

35.

A screwdriver has the density of 5.5 g/mL. It has a mass of 2.3 g. What is the screwdriver’s volume?

a)

2.4 mL

b)

0.42 mL

c)

12.65 mL

d)

0.42 g

36.

A student has a rectangular block. It is 2 cm wide, 3 cm tall, and 25 cm long. It has a mass of 601 g. What is the density of the block? (V = L x W x H)

a)

150 cm3

b)

4 g/cm3

c)

0.25 g/cm3

d)

150 g/cm3

37.
Which liquid is the least dense?
a)
oil
b)
water
c)
syrup 
d)
plastic bottle
38.

Which unit of measurement is used for density?

a)

g

b)

cm3

c)

g/cm3

d)

mL

39.

Object B floats in water. The object is broken into 5 pieces and one of those pieces is placed into the water. What will the object do?

a)

sink

b)

float

c)

sink at first and then float

d)

float at first and then sink

40.

The volume of water in a graduated cylinder is 50 mL. A marble is placed in the cylinder and the volume goes up to 52 mL. What is the density if the mass of the marble is 1 gram?

a)

1.0 g/mL

b)

1.04 g/mL

c)

2 g/mL

d)

.5 g/mL

41.

Which box has a higher density?

a)

A

b)

B

c)

They both have the same density.

42.

Which substance has a density greater than water (1.0 g/ml)?

a)

Substance A

b)

Substance B

c)

Neither

43.

If both of these substances were placed in the same container, which one would float as the top layer?

a)

Substance A

b)

Substance B

c)

Neither

44.

If both of these substances were placed in the same container, which one would float as the top layer?

a)

Substance A

b)

Substance B

c)

Neither

45.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
46.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
47.
Which units of measurement are used for volume?
a)
grams
b)
centimeters
c)
grams/milliliter
d)
milliliter
48.
What is the measuring unit for mass?
a)
centimeter 
b)
millimeter 
c)
grams 
d)
pounds
49.
Which lab tool might you use to measure the volume of a liquid?
a)
electric scale
b)
bunsen burner
c)
test tube
d)
graduated cylinder
50.
The amount of space something takes up
a)
density
b)
volume
c)
mass
d)
matter
51.
You can measure ______ with grams.
a)
mass
b)
volume
c)
conductivity
d)
melting point
52.
True or False:  The density of a specific type of material never changes.  
a)
True
b)
False
53.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
54.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
55.
This picture represents: 
a)
Element
b)
Compound
c)
Mixture of Elements
d)
Mixture of Compounds
56.
What type of mixture is this?
a)
homogenous mixture
b)
chemical
c)
heterogeneous mixture 
d)
solid mix
57.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
58.
Italian Salad Dressing is a . . .
a)
heterogeneous mixture
b)
homogeneous mixture
c)
Pure Substance
d)
Compound
59.
Which one of these pictures represents a pure substance? 
a)
1 and 2
b)
1 and 3
c)
2 and 3
d)
1, 2 and 3
60.
Which one of these pictures represents a mixture? 
a)
1
b)
2
c)
3
d)
1, 2 and 3
61.
Which of the following is an example of a compound?
a)
a.  Sodium (Na)
b)
a.  Oxygen (O2)
c)
a.  Chlorine (Cl)
d)
a.  Water (H2O)
62.

Classify the matter pictured

a)

Element

b)

Compound

c)

Mixture of elements

d)

Mixture of compounds

e)

Mixture of elements and compounds

63.

Which of the following are NOT considered matter. (Check 2 of them)

a)

Solid

b)

Sound

c)

Gas

d)

Light

e)

Liquid

64.

Which of the following are evidences of a chemical change? (select all)

a)

sudden change of color

b)

Change of shape by tearing

c)

Change of size by pounding flat

d)

release of odor

65.

Which of the following are physical changes? (Select all)

a)

Cutting your hair

b)

Fruit rotting

c)

Water boiling

d)

Dropping an alka-seltzer in water

66.

Which of the following are examples of chemical changes? (Select all)

a)

Burning paper

b)

Cutting paper

c)

Iron rusting

d)

Writing on paper

67.

Matter is anything that.....

a)

Has mass and takes up space

b)

Has mass and is visible

c)

Takes up space and has energy

d)

Has energy and is visible

68.

What is an example of a chemical change?

a)

Tearing paper

b)

Dissolving salt in water

c)

Melting ice

d)

Burning wood

69.

What is an example of a physical property?

a)

Silver is shiny

b)

Alcohols are flammable

c)

Alkali metals are reactive with water

d)

Acids are sometimes corrosive

70.

Matter can be classified as either a __________ or a _____________.

a)

Element or a Compound

b)

Compound or a Solid

c)

Pure Substance or a Mixture

d)

Mixture or a Solid

71.

Ammonia, or NH3 is a:

a)

Mixture

b)

Element

c)

Compound

d)

Particle

72.

A substance with a variable and inconsistent composition made of two or more different substances physically mixed together that can be separated by physical means.

a)

Homogeneous

b)

Heterogeneous

c)

Homogeneous and heterogeneous

d)

None

73.
Changing the phase, size or shape of something....
a)
Chemical change
b)
Physical Change
c)
Suspension
d)
Colloid
74.

What is an example of a physical property?

a)

Silver is shiny

b)

Alcohols are flammable

c)

Alkali metals are reactive with water

d)

Acids are sometimes corrosive

75.

What is the best classification of this substance? H2SO4

a)

An element

b)

A compound

c)

A mixture

76.
Are made from a combination of 2 or more elements...
a)
Molecules
b)
Pure Substances
c)
Compounds
d)
Elements
77.
A chemical change is different than a physical change because in a chemical change
a)
Chemicals are used
b)
Molecules do not physically touch
c)
A new substance is formed and in a physical change no new substance is formed
d)
The change can be seen but in a physical change it cannot
78.

What is a physical property?

a)

A property that describes how something changes over time

b)

An observable property that describes the state of a system

c)

A property that describes how reactive something is

79.
Blue Color: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
80.
Solubility (dissolves): Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
81.

Physical change

a)

change of one substance into a new substance

b)

any change in size, shape, or state of matter in which the identity of the substance remains the same.

c)

any characteristic of a material, such as size or shape, that can be observed without changing the identity of the material.

d)

any characteristic of a substance, such as flammability, that can be observed that produces a new substance.

82.

Physical property

a)

change of one substance into a new substance

b)

any change in size, shape, or state of matter in which the identity of the substance remains the same.

c)

any characteristic of a material, such as size or shape, that can be observed without changing the identity of the material.

d)

any characteristic of a substance, such as flammability, that can be observed that produces a new substance.

83.

Distillation

a)

process that can separate two substances in a mixture by evaporating a liquid and re-condensing its vapor.

b)

law that states that the mass of all substances present before a chemical change equals the mass of all the substances remaining after the change.

c)

any characteristic of a substance, such as flammability, that can be observed that produces a new substance.

d)

tendency for a beam of light to scatter as it passes through a colloid.

84.

Chemical Property

a)

any characteristic of a material, such as size or shape, that can be observed without changing the identity of the material.

b)

any characteristic of a substance, such as flammability, that can be observed that produces a new substance.

c)

any change in size, shape, or state of matter in which the identity of the substance remains the same.

d)

change of one substance into a new substance

85.

Chemical Change

a)

change of one substance into a new substance

b)

any change in size, shape, or state of matter in which the identity of the substance remains the same.

c)

any characteristic of a material, such as size or shape, that can be observed without changing the identity of the material.

d)

any characteristic of a substance, such as flammability, that can be observed that produces a new substance.

86.

Pure Substance

a)

element or compound that cannot be broken down into simpler components without losing the properties of the original substance.

b)

substance in which the atoms of two or more elements are combined CHEMICALLY and in fixed proportions.

c)

substance containing two or more components that are blended/mixed uniformly so that individual components are indistinguishable with a microscope; like soda

d)

substance in which its different components are easily distinguished; like trail mix

87.

Solution

a)

homogeneous mixture, remains constant and uniformly mixed and has particles that are so small they cannot be seen with a microscope.

b)

heterogenous mixture containing a liquid , and in which visible particles slowly settle due to gravity; ex. yoohoo or muddy water

c)

heterogeneous mixture whose particles never settle; like FOG

88.

Homogeneous mixture

a)

element or compound that cannot be broken down into simpler components without losing the properties of the original substance.

b)

substance containing two or more components that are blended/mixed uniformly so that individual components are indistinguishable with a microscope; like soda

c)

substance which atoms that are all alike; Gold, oxygen

d)

substance in which its different components are easily distinguished; like trail mix

89.

Heterogeneous mixture

a)

element or compound that cannot be broken down into simpler components without losing the properties of the original substance.

b)

substance containing two or more components that are blended/mixed uniformly so that individual components are indistinguishable with a microscope; like soda

c)

substance which atoms that are all alike; Gold, oxygen

d)

substance in which its different components are easily distinguished; like trail mix

90.

Element

a)

substance which atoms that are all alike; Gold, oxygen

b)

heterogeneous mixture whose particles never settle; like FOG

c)

substance in which its different components are easily distinguished; like trail mix

d)

substance in which the atoms of two or more elements are combined CHEMICALLY and in fixed proportions.

91.

Compound

a)

substance in which its different components are easily distinguished; like trail mix

b)

substance containing two or more components that are blended/mixed uniformly so that individual components are indistinguishable with a microscope; like soda

c)

substance in which the atoms of two or more elements are bonded together in fixed proportions.

d)

element or compound that cannot be broken down into simpler components without losing the properties of the original substance.

92.
Substance with atoms that are all alike.
a)
element
b)
compound
c)
homogeneous mixture
d)
heterogeneous mixture
93.
What is a homogeneous mixture?
a)
a mixture that is the same throughout.
b)
a mixture that is made up of one type of atom.
c)
a mixture that is made up of one type of compound
d)
a mixture that cannot be separated through physical changes
94.
A mixture that is NOT evenly distributed is called ....
a)
Compounded
b)
Homogenous
c)
Heterogenous
d)
Salty
95.
Chicken soup is an example of what kind of substance?
a)
homogenous mixture
b)
solution
c)
heterogeneous mixture
d)
compound
96.
Kool-Aid
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
97.
Carbon
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
98.
Aluminum
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
99.
NaCl
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
100.
An ______________ is the basic particle from which all elements are made. 
a)
chemical bond
b)
atom
c)
molecule
101.
If you change a substance into a new substance...
a)
Partial Change
b)
Physical Change
c)
Chemical Change
d)
Freezing
102.
Changing the phase, size or shape of something....
a)
Chemical change
b)
Physical Change
c)
Suspension
d)
Colloid
103.
Any characteristic of a material, such as shape or size, that you can observe or attempt to observe without changing the identity of the material.
a)
physical change
b)
chemical change
c)
physical property
d)
chemical property
104.

Blood is a fluid found in the bodies of humans and other animals. It can be physically separated into plasma, red blood cells and white blood cells. Blood is a ___________________

a)

pure substance

b)

mixture

105.

Chemical or Physical:

Mass, volume, or density of an object is a _______________ property of that object.

a)

Chemical

b)

Physical

106.

Chemical or Physical:

The ability to cook, burn, rust, tarnish, or explode is an example of a ___________ property.

a)

Chemical

b)

Physical

107.
Physical or Chemical Change?  Cutting an orange into wedges.
a)
Physical Change
b)
Chemical Change
108.
1. Sugar dissolves in warm water
 
 
a)
Physical change
b)
Chemical Change
109.
8. Water boils at 100 degrees Celsius
 
a)
Physical Change
b)
Chemical Change
110.
Is milk going sour a physical or chemical change?
a)
Physical 
b)
Chemical
111.

Round 5.67498 to 1 s.f.

(a)  

112.

Round 0.04102 to 3 s.f.

(a)  

113.

Round 2.998 to 2 s.f.

(a)  

114.

Round 26,384 to 2 s.f.

(a)  

115.

Round 0.006008 to 3 s.f.

(a)  

116.

a)

Distillation method

b)

Sieving method

c)

Filtration method

d)

Sedimentation method

117.

a)

Sedimentation method

b)

Distillation method

c)

Filtration method

d)

Sieving method

118.

Which mixture can be separated using a filtration method?

a)

oil and water

b)

sand and iron powder

c)

sand and water

d)

water and ethanol

119.

Paper clips and glass fragments can be separated by using a ________

a)

magnet

b)

filter paper

c)

flotation method

d)

distillation method

120.

Which of these is a mixture?

a)

oxygen

b)

copper sulfate

c)

air

d)

quartz

121.

If I know the components of a mixture and the boiling points of the components, which is a possible way to isolate the components in the mixture?

a)

makes use of magnetic attraction

b)

make use of evaporation

c)

make use of distillation

d)

make use of paper chromatography

122.

Homogeneous Mixture is a Synonym of...

a)

Solution

b)

Pure substance

c)

Mixture

d)

Compound

123.

There are two types of mixture

a)

Magnetic and separation

b)

Decantation and filtration

c)

Heterogeneous and homogeneous

d)

Heteregeous and evaporation

124.

True or False: Elements and compounds are pure substances.

a)

True

b)

False

125.

Baking soda combines with vinegar to create bubbles of carbon dioxide gas.

a)

physical change

b)

chemical change

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