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Chemical vs physical and review

Total questions: 150

Worksheet time: 2hrs 12mins

Name
Class
Date
1.

Which is a chemical property?

a)

Reactivity

b)

boiling point

c)

density

d)

conductivity

2.

Which is an example of a physical property?

a)

malleability

b)

rusting

c)

reactivity

d)

flammability

3.

Boiling point is a

a)

Physical property

b)

Chemical property

c)

Real property

d)

Fake property

4.

Conductivity is a

a)

Physical property

b)

Chemical property

c)

Real property

d)

Fake property

5.

Flammability is a

a)

Chemical property

b)

Physical property

c)

Real property

d)

Fake property

6.
When you break a cracker into pieces it is a 
a)
Chemical change
b)
Physical change
c)
Chemical Weathering
d)
Physical Weathering
7.

Which of the following is a sign that a chemical reaction has occurred?

a)

change in shape

b)

melting

c)

formation of a gas

d)

dissolving

8.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
9.
Is moldy cheese a chemical or physical change?
a)
chemical
b)
physical
10.
Is spoiled meat a chemical or physical change?
a)
chemical
b)
physical
11.
Is squeezing oranges to make orange juice a physical or chemical change?
a)
physical
b)
chemical
12.
Are fireworks exploding a physical or chemical change?
a)
phyiscal 
b)
chemical
13.
Is mowing the lawn a phyiscal or chemical change?
a)
physical
b)
chemical
14.

Water is heated and changed to steam ________________

a)

Physical Change

b)

Chemical Change

15.

Food is digested in the stomach ________________

a)

Physical Change

b)

Chemical Change

16.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
17.

In chemical and physical changes, mass is not created or destroyed but is only transformed into different substances.

a)

chemical change

b)

physical change

c)

law of conservation of mass

d)

physical property

18.

Cutting wood is a (a)   change.

19.

Burning wood is a (a)   change.

20.

When you mix substances together and one or more of the substances change into a new substance with different properties, this is a (a)   change.

21.

When water boils, you see bubbles. Boiling water is a (a)   change.

22.
Hardness: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
23.

Reacts with water: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
24.

Boiling point: Chemical or Physical Property

a)
Chemical Property
b)
Physical Property
25.
Luster: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
26.
Reacts with Air: Chemical or Physical Property
a)
Chemical Property
b)
Physical Property
27.

Which one of these is a chemical property?

a)

Melting point

b)

Boiling point

c)

Color

d)

Toxicity

28.
Physical properties are
a)

Properties that can be observed without changing the identity of the substance

b)

Properties that describe how a substance changes into a completely different substance

29.

the ability of a material to bend or be hammered into other shapes without breaking.

a)

Ductility

b)

Malleability

c)

Toxicity

d)

Solubility

30.

a resistance to being scratched or dented.

a)

Luster

b)

Flammability

c)

conductivity

d)

hardness

31.

 the ability to pass electricity or heat through a substance

a)

conductivity

b)

ductility

c)

oxidation

d)

malleability

32.

the ability of a substance to be drawn into thin wires

a)

Conductivity

b)

malleability

c)

ductility

d)

flammability

33.

Change in smell is the result of what?

a)

Pollution

b)

Condensation

c)

A chemical change

d)

A physical change

34.

What kind of change is exploding fireworks?

a)
b)
35.

What kind of change is baking a cake?

a)
b)
36.

What kind of change is metal rusting?

a)
b)
37.

What kind of change is freezing water into ice cubes?

a)
b)
38.

What kind of change is crushing a soda can?

a)
b)
39.

What kind of change is cutting your hair?

a)
b)
40.

What kind of change is a rotting banana?

a)
b)
41.

What kind of change is toasting bread?

a)
b)
42.

What kind of change is mixing vinegar & baking soda?

a)
b)
43.

What kind of change is squeezing juice out of an orange?

a)
b)
44.

Melting Cheese

a)

physical change

b)

chemical change

45.

Burning Wood

a)

physical change

b)

chemical change

46.

Milk Souring

a)

physical change

b)

chemical change

47.

Mixing sugar and water.

Is it a physical or chemical change?

a)

Physical

b)

Chemical

48.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

49.

Is this an example of a physical or chemical change?

a)

physical

b)

chemical

50.
Is freezing juice a physical or chemical change?
a)
Physical Change
b)
Chemical Change
51.

Mark all the examples that result in a chemical change.

a)

Cooking / Baking

b)

Boiling Water

c)

Rusting

d)

Tearing food with teeth

e)

mixing food with saliva and enzymes to break it down into glucose

52.

What is a physical property of these strawberries?

a)

Red

b)

Rotten

c)

Flammable

53.

What is a chemical property of paper?

a)

Flammable

b)

White

c)

Light

54.

Is an ice cream cone melting a physical or chemical change?

a)

Physical

b)

Chemical

55.

Is crumpling a piece of paper a physical or chemical change?

a)

Physical

b)

Chemical

56.
Which one of these is a chemical property?
a)
melting point
b)
boiling point
c)
color
d)
flammability
57.
Which of the following is not a chemical property? 
a)
rusting 
b)
boiling 
c)
rotting 
d)
burning 
58.
Ability to rust is this type of property:
a)
Physical property
b)
Chemical property
59.

Baking cookies is a chemical change. Which of the following is evidence of the chemical change? Choose all the options that are correct.

a)

Color changes from light tan to golden brown.

b)

The batter melts when it is heated in the oven.

c)

The melted batter turns from liquid to a solid after it is heated.

d)

The odor changes

60.
Which of the following is a sign that a chemical reaction has occurred?
a)
change in shape
b)
melting
c)
formation of a gas
d)
dissolving
61.
A mixture is the result of a physical change because...
a)
The parts can be separated
b)
A new substance is made
c)
There is a chemical reaction
d)
One part of the mixture disappears
62.
Which of these is a result of a physical change?
a)
A new odor
b)
A new gas
c)
A new chemical substance
d)
A solution
63.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
64.
Is a burning candle a physical or chemical change?
a)
Physical
b)
Chemical
c)

Both

d)

Neither

65.
Is water melting a physical or chemical change?
a)
Physical
b)
Chemical
66.
Is sour milk a physical or chemical change?
a)
Physical
b)
Chemical
67.
Is bending copper wire a physical or chemical change?
a)
Physical
b)
Chemical
68.
Is steam a physical or chemical change?
a)
Physical
b)
Chemical
69.
Are hard boiled eggs a physical or chemical change?
a)
Physical
b)
Chemical
70.
Is adding sugar to your coffee a physical or chemical change?
a)
Physical
b)
Chemical
71.
When baking soda and vinegar mix it creates a bubbly mess. Is this a chemical or physical change?
a)
Physical
b)
Chemical
72.
A copper penny turning greenish after a few years is an example of ...
a)
Chemical Change
b)
Physical Change
73.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
74.
Which of the following IS a physical change?
a)
Getting a haircut
b)
Rusty metal
c)
sour milk
d)
A compound
75.
Ripping up paper ...
a)
Chemical Change
b)
Physical Change
76.
Change in size ...
a)
Chemical Change
b)
Physical Change
77.
Causes a change in temperature ...
a)
Chemical Reaction
b)
Physical Reaction
78.
Is a firefly lighting up a physical or chemical change?
a)
Physical
b)
Chemical
79.
Is digesting your food a physical or chemical change?
a)
Physical
b)
Chemical
80.
A change in phase ...
a)
Chemical Change
b)
Physical Change
81.
An explosion occurs ...
a)
Chemical Change
b)
Physical Change
82.
When something burns it is which of these?
a)
chemical change
b)
physical change
c)
d)
83.
Is wood burning a physical or chemical change?
a)
Physical 
b)
Chemical
84.
Is mold growing on cheese a physical or chemical change?
a)
Physical 
b)
Chemical
85.

Is this photo an example of an exothermic or endothermic reaction?

a)

endothermic

b)

exothermic

86.

An ___________________ process is a process that releases energy.

a)

exothermic

b)

endothermic

87.

Is the process shown to the right exothermic or endothermic?

a)

endothermic

b)

exothermic

88.

A process in which energy is absorbed is called an .....

a)

endothermic process.

b)

exothermic process

89.

Is the chemical reaction that occurs inside a hot pack an exothermic or endothermic reaction?

a)

endothermic

b)

exothermic

90.

When heat is released it is an

a)

exothermic reaction

b)

endothermic reaction

c)

both

d)

none

91.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
92.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. 
a)
Warm
b)
Cold
93.

Heat + Ice --> Liquid water

a)

Endothermic

b)

Exothermic

c)

Both Exo and Endo

d)

Neither Exo or Endo

94.

Fireworks are an example of

a)

exothermic

b)

endothermic

c)

both

d)

none

95.

A melting ice cube is an example of

a)

exothermic

b)

endothermic

c)

none

d)

both

96.

An ice pack in an example of

a)

exothermic

b)

endothermic

c)

both

d)

none

97.
In an endothermic reaction, heat is ...
a)
taken in or absorbed
b)
given out or released 
98.
In an exothermic reaction, heat is ...
a)
taken in or absorbed
b)
given out or released
99.

Fire is an example of

a)

exothermic reaction

b)

endothermic reaction

c)

none

d)

both

100.

Sodium metal is cut with a knife

a)
Physical 
b)
Chemical
101.

two ore more substances unevenly mixed

a)

Heterogenous mixture

b)

Homogeneous mixture

c)

compounC

d)

Substance

102.

Two or more substances evenly mixed

a)

heterogenous mixture

b)

homogeneous mixture

c)

compound

d)

substance

103.

What type of mixture is shown?

a)

Homogeneous

b)

Heterogeneous

104.

Carbon is classified as a/an _________________.

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

105.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
106.

A Taco is an example of a

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

107.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
108.
The positive particles of an atom are 
a)
electrons 
b)
positrons 
c)
neutrons 
d)
protons 
109.
The subatomic particle with a negative charge is the
a)
electron
b)
proton
c)
neutron
d)
nucleus 
110.

This picture represents which of the following?

a)

element

b)

compound

c)

mixture of elements

d)

mixture of compounds

e)

mixture of elements and compounds

111.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

112.

In the illustration, which is an example of a gas?

a)

Bubbles

b)

Straw

c)

Ice

d)

The Glass

113.

a)

Element

b)

Compound

c)

Heterogenous

d)

Homogenous

114.

What is located in the nucleus of an atom?

a)

protons and neutrons

b)

protons and electrons

c)

electrons and neutrons

115.

How is the Periodic Table arranged?

a)

alphabetical order

b)

atomic number

c)

the year the element was discovered

d)

Albert Einstein decided how to arrange it.

116.

How are symbols for elements written?

a)

numbers

b)

pictures

c)

letters

117.

In which direction would you find groups/families?

a)

horizontal

b)

vertical

118.

What is located on the horizontal rows on the Periodic Table?

a)

families

b)

groups

c)

periods

119.

What is the charge of a proton?

a)

positive

b)

negative

c)

neutral

120.

What is the symbol for carbon?

a)

Ca

b)

C

c)

Na

121.

The mass number of an element is the amount of _________ it has.

a)

protons

b)

protons and neutrons

c)

electrons

d)

neutrons

122.

Which of the following elements is an example of an element that conducts electricity?

a)

Aluminum

b)

Helium

c)

Boron

d)

Neon

123.

Which element would you expect to be located in group 2 of the periodic table?

a)

Lithium

b)

Carbon

c)

Sulfur

d)

Beryllium

124.

Which of the following best describes the three general groups of elements?

a)

solids, liquids, gas

b)

metals, nonmetals, gases

c)

metals, nonmetals, metalloids

d)

metals, metalloids, synthetics

125.

An element has an atomic number of 20. This means it has:

a)

20 atoms in it.

b)

20 protons.

c)

an atomic mass of 20.

d)

20 neutrons.

126.
Where is most of the mass in an atom located?
a)
in the nucleus
b)
in the protons
c)
in the neutrons
d)
in the electrons
127.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
128.
Which statement best describes an electron?
a)
Smaller mass than a proton and a negative charge
b)
Smaller mass than a proton and a positive charge
c)
Greater mass than a proton and a negative charge
d)
Greater mass than a proton and a positive charge
129.

What is the atomic number of this atom?

a)

1

b)

3

c)

4

d)

7

130.

Which element is in group 4 period 5?

a)

Zr - Zirconium

b)

Nb - Niobium

c)

C - Carbon

d)

Na - Sodium

131.

Where are most of the nonmetals found on the periodic table?

a)

left

b)

right

c)

middle

d)

bottom

132.
As you move down the first group, reactivity _________.
a)
Increases
b)
Decreases
c)
Stays the same
d)
They are all inert
133.

What groups are the most reactive METALS?

a)

2 and 3

b)

1 and 18

c)

1 and 2

d)

16 and 17

134.

Reactivity of metals increases as you move...

a)

Left

b)

Up

c)

Right

d)

Down

135.

Put the following in order of MOST reactive to least reactive.

He, Na, Fe, C

a)

Na, Fe, C, He

b)

Fe, He, Na, C

c)

C, Na, Fe, He

d)

Fe, C, Na, He

136.

Put the following elements in order from MOST reactive to LEAST reactive.

W, K, Rn, Zn

a)

K, W, Zn, Rn

b)

K, Zn, Rn, W

c)

Rn, Zn, W, K

d)

W, K, Zn, Rn

137.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
138.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
139.
Kool-Aid
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
140.

What does this picture show?

a)

element

b)

compound

c)

mixture

141.

These are the 3 states of matter.

a)

True

b)

False

142.
Sweet Tea
a)
Element
b)
Compound
c)
Homogeneous Mixture
d)
Heterogeneous Mixture
143.
What does the diagram show?
a)
A mixture of two elements
b)
A pure compound
c)
A mixture of two compounds
d)
A mixture of a compound & element
144.

What does this illustrate

a)

Elements

b)

Compunds

c)

Mixture of Elements and Compunds

d)

Mixture of Compounds

145.

Put the following elements in order from LEAST reactive to MOST reactive.

Fr, Og, Ag, Cr

a)

Og, Ag, Cr, Fr

b)

Ag, Cr, Fr, Og

c)

Fr, Og, Cr, Ag

d)

Fr, Cr, Og, Ag

146.

Neon is colorless, a poor conductor of heat and is not able to be stretched. How would it be classified?

a)

Nonmetal

b)

Metalloid

c)

Metal

d)

None of the above

147.

How many protons, electrons and neutrons are present in an atom of carbon, C, with the mass of 12?

a)

12 protons, 12 electrons, 12 neutrons

b)

6 protons, 12 electrons, 6 neutrons

c)

12 protons, 6 electrons, 12 neutrons

d)

6 protons, 6 electrons, 6 neutrons

148.

Which statement correctly describes the location and charge of the neutrons in an atom?

a)

The neutrons are inside the nucleus and have a positive charge.

b)

The neutrons are outside the nucleus and have a neutral charge.

c)

The neutrons are outside the nucleus and have a negative charge.

d)

The neutrons are inside the nucleus and have a neutral charge.

149.

What type of particles are found in the cloud surrounding the atom's nucleus?

a)

Neutral particles and positively charge particles

b)

Positive charge particles only

c)

Negatively charge particles and positively charge particles

d)

Negatively charge particles only

150.

What type of element makes up most of the periodic table?

a)

Metals

b)

Metalloids

c)

Nonmetals

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