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Elements/Compounds, Physical & Chemical Properties & Changes

Total questions: 74

Worksheet time: 37mins

Name
Class
Date
1.

An example of a physical property is ______________________.

a)

flammability (ignite)

b)

radioactivity

c)

ability to rust

d)

color

2.

A physical property is observable and measurable and a chemical property is the ability of a substance to react.

a)

true

b)

false

3.

An example of a chemical property is _________________.

a)

color

b)

mass

c)

density

d)

flammability (ability to burn)

4.

In a physical change, the substance stays the same substance. In a chemical change, the substance makes a new substance.

a)

true

b)

false

5.

When we completed the Alka-Seltzer (effervescent tablet) lab in class, what was the best sign a chemical reaction had happened?

a)

effervescent tablet dissolved

b)

volume of water increased

c)

tablet size became smaller

d)

bubbles of gas were produced

6.
a)

A

b)

B

c)

C

7.
a)

corrosive

b)

magnetism

c)

state at room temperature

d)

color

8.

Looking at the data above, how would a person know that a chemical change has happened?

a)

I only

b)

II only

c)

I and II

d)

I, II, and III

9.

A nail rusts-- is this a physical or chemical change?

a)

Physical change

b)

Chemical change

10.

Which shows one chemical change and one physical change?

a)

boiling water and melting wax

b)

rusting iron and baking a cake

c)

dissolving powder and shredding paper

d)

freezing water and burning coal

11.

A teacher wants to demonstrate a chemical reaction to her students. Which activity would best demonstrate a chemical reaction?

a)

Placing metal in an acid and bubbles rapidly form

b)

Dissolving saltwater leaving only salt

c)

Dissolving effervescent tablets into water

12.

Physical changes are mostly reversible and chemical changes are difficult to reverse.

a)

True

b)

False

13.

All of the following are physical properties of iron (Fe) except --

a)

malleable

b)

magnetic

c)

ability to rust

d)

conductor of heat

14.
a)

one of the original compounds came out of the solution

b)

the solutions reacted chemically

c)

some of the water froze into ice crystals

d)

rapid evaporation of water occurred, leaving a solid

15.

Looking at the image, what is the best evidence that a chemical reaction had occurred?

a)

the temperature was constant

b)

a gas was released

c)

a precipitate was formed

16.
Which of the following tells you that a chemical change may have occurred?
a)
Change Shape
b)
Melting
c)
Vaporizing
d)
Change in color
17.
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
18.
Is wood burning a physical or chemical change?
a)
Physical 
b)
Chemical
19.
Is milk going sour a physical or chemical change?
a)
Physical 
b)
Chemical
20.
Is Gatorade powder dissolving in water physical or chemical change?
a)
Physical 
b)
Chemical
21.
Is mold growing on cheese a physical or chemical change?
a)
Physical 
b)
Chemical
22.
Is making orange juice a physical or chemical change?
a)
Physical 
b)
Chemical
23.
Is sharpening a pencil a physical or chemical change?
a)
Physical 
b)
Chemical
24.
Is copper tarnishing a physical or chemical change?
a)
Physical 
b)
Chemical
25.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
26.
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
27.
Freezing Juice?
a)
Physical Change
b)
Chemical Change
28.
Fizzing, foaming, and burning are all examples of
a)
Chemical change
b)
Physical change
29.
Ms. Ferguson added 6 g of liquid wax to a cup that weighed 12 g. What is the weight of the cup after the wax solidifies?
a)
6 g
b)
18 g
c)
12 g
d)
24 g
30.
When you break a cracker into pieces it is a...
a)
Chemical change
b)
Physical change
31.
Which type of property is the ability to conduct electricity?
a)
physical property
b)
chemical property
32.
Which of the following properties is a physical property?
a)
magnetism
b)
reactivity with oxygen
c)
flammability
d)
non-reactive
33.
Which of the following is a Physical Property?
a)
Combustion
b)
Electronegativity
c)
Color
d)
PH Level
34.
Define a Physical Property
a)
A property of matter not involving in its manifestation a chemical change
b)
A property in which stops a chemical reaction from occuring.
c)
A property or behavior of a substance which undergoes a chemical change or reaction.
d)
A property which makes the object smell or taste different.
35.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
36.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
37.
Photosynthesis is an example of a
a)
physical change
b)
chemical change
38.

Which of the following is NOT a physical property?

a)

breaking a window

b)

color

c)

density

d)

freezing point

39.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
40.
Is Ductility a physical or chemical property?
a)
Physical
b)
Chemical
c)
None
d)
No such thing
41.
When paper is folded to make an origami bookmark, what physical property of the paper changes?
a)
mass
b)
weight
c)
shape
d)
smell
42.
Which is NOT a physical property?
a)
odor
b)
reacts with acid
c)
ability to conduct electric current
d)
hardness
43.
Which is an example of a physical property?
a)
ability to react with acid
b)
 state of matter
c)
flammability
d)
ability to react with oxygen
44.
Which of the following is a chemical property?
a)
flexibility
b)
ability to tarnish
c)
temperature
d)
texture
45.
Solubility is the ability of one substance to dissolve in another. 
a)
True
b)
False
46.
Which is a physical change?
a)
Liquid water freezing into solid ice
b)
Burning wood
c)
Silver tarnishing
d)
Iron rusting
47.
Which is the correct spelling for one of the signs of a chemical reaction/ chemical change?
a)
Percipitate
b)
Precipatate
c)
Precipitate
d)
Persipitate
48.
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
49.
Fireworks
a)
Physical Change
b)
Chemical Change
50.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
51.
A change in the size, shape, or state of matter.
a)
chemical change
b)
physical change
c)
chemical reaction
d)
electron change
52.
Adding baking soda and vinegar together and it fizzes and creates carbon dioxide.
a)
Chemical
b)
Physical
53.
What is an example of a Chemical change?
a)
Ripped paper 
b)
boiled egg
c)
cracked egg
d)
sugar in water
54.
Which of the following a sign of a Chemical Change?
a)
No Temperature Change
b)
No Bubbles
c)
No Gas Production
d)
Color Change (FOOD DYE DOES NOT COUNT!)
55.
Is bleaching your hair a physical or chemical change?
a)
Physical
b)
Chemical
56.
What is a mixture?
a)
pennies
b)
2 or more different things combined
c)
different size rocks
d)
marbles
57.
A description of objects that can be measured and observed.
a)
gas
b)
mustangs
c)
physical properties
d)
melting point
58.
What happened to change the state of the butter?
a)
heat was added
b)
it got cold
c)
heat was taken away
d)
nothing happened
59.

Two or more different elements chemically combine to form compounds.

a)

Agree

b)

Disagree

60.

Carbon, Ar, and Ne are examples of elements.

a)

Agree

b)

Disagree

61.

NaCl is an example of a compound that contains helium and oxygen atoms.

a)

Agree

b)

Disagree

62.

Compounds have properties different from the elements that make it up.

a)

Agree

b)

Disagree

63.

Can be broken down into a simpler substance

a)

Elements

b)

Compounds

c)

Both

64.

Composed of at least two different elements

a)

Elements

b)

Compounds

c)

Both

65.

Located on the Periodic Table

a)

Elements

b)

Compounds

c)

Both

66.
Carbon is considered an element while carbon dioxide is considered a compound. This is because carbon dioxide is –
a)
a gas at room temperature.
b)
made of two different elements.
c)
given off by green plants.
67.
A section of the Periodic Table of Elements is provided. What is the chemical symbol for magnesium?
a)
Mn
b)
Magnesium
c)
Mg
d)
12
68.
What is the difference between a compound and an element?
a)

Compounds are made up of elements and can be chemically separated. Elements cannot be separated.

b)

Elements make up compounds. Elements can be separated but compounds cannot be separated.

c)

Elements are found on the periodic table and compounds are found on the dining room table.

69.
Which of the following is a compound?
a)
Co
b)
He
c)
CO
d)
H
70.
Which statement best describes an element?
a)
made from mixture 
b)
thousands in the world
c)
pure, made of only one thing
d)
can be separated 
71.
Compounds are represented by a...
a)
Capital Letter
b)
Chemical symbol 
c)
Chemical formula 
d)
Chlorine 
72.
Elements are represented by a...
a)
More than one capital letter
b)
Chemical symbol 
c)
Chemical formula 
d)
Oxygen 
73.
A new compound has been discovered. Here is the chemical formula:
CHOFeNaNPb 

How many elements are in this compound?
a)
5
b)
6
c)
7
d)
10
74.
The chemical symbol O is used for what element?
a)
Cerium
b)
Cobalt 
c)
Oxygen
d)
Osmium

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