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Science Practical Exam Exercise

Total questions: 67

Worksheet time: 42mins

Name
Class
Date
1.

Oil and Water

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

2.

Copper - Cu

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

3.

Chalk - CaCO3

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

4.

Rocks and Sand

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

5.

Water - H2O

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

6.

Aluminum - Al

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

7.

Air

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

8.

Sugar (sucrose) ----C6H22O11

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

9.

Honey

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

10.

Soap

a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

11.
a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

12.

Sweet Tea, everything is mixed evenly and looks the same.

a)

Heterogeneous Mixture

b)

Homogeneous Mixture

13.
a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

14.
a)

Element

b)

Compound

c)

Homogeneous Mixture

d)

Heterogeneous Mixture

15.
a)

Homogeneous Mixture

b)

Heterogeneous Mixture

16.

2 or more different elements that are bonded together is called...

a)

A. element

b)

B. compound

c)

C. mixture

d)

D. solution

17.
A substance that contains only one type of atom is a(n)
a)
compound
b)
element
c)
heterogeneous mixture
d)
homogeneous mixture
18.
Which of the following lists only elements?
a)
H2O + OH, MgCl2
b)
H2O, KF, Ne
c)
KCl, Ag, Au
d)
K, Cl, N
19.

Jay combines water, sugar, and lemon juice to form lemonade. What type of substance was made?

a)

Element

b)

Molecule

c)

Mixture

20.
Which of the following is an example of a heterogenous mixture?
a)
soap
b)
a salad with lettuce, olives, and tomatoes
c)
cup of coffee
d)
water
21.
This type of mixture looks the same throughout. 
a)
Homogenous
b)
Heterogeneous
22.
a)
element
b)
compound
c)
mixture of elements and compounds
d)
mixture of compounds
23.
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
24.
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
25.

What is considered the simplest form of matter?

a)

Compounds

b)

Colloids

c)

Solutions

d)

Elements

26.
Contains two or more atoms combined
a)
Elements
b)
Compounds
c)
Mixtures
27.
Elements can be broken down into simpler substances. 
a)
false 
b)
true 
c)
sometimes 
28.
Classify the picture with the correct label.
a)
Mixture of Compounds
b)
Mixture of Elements
c)
Compound
d)
Mixture of Elements & Compounds
29.
Classify the picture with the correct label.
a)
Element
b)
Compound
c)
Mixture of Compounds
d)
Mixture of Elements
30.
Water is a ___________. 
a)
element 
b)
mixture 
c)
compound 
31.
These must be separated chemically. 
a)
elements 
b)
compounds 
c)
mixtures 
d)
homogeneous mixtures 
32.

What makes a compound and organic compound?

a)

They don't use any chemicals when they grow it

b)

It has carbon (C) in it

c)

It is alive

d)

It has chlorine (Cl) in it

33.

What is salad?

a)

element

b)

compound

c)

heterogeneous mixture

d)

homogeneous mixture

34.
Can a mixture be separated? 
a)
No
b)
Yes
c)
Only sometimes
35.
A combination of particles of one or more substance that are distributed uniformly throughout another substance is a/an
a)
Mixture 
b)
Substance
c)
Solution
36.
What is Kool-aid?
a)
element
b)
Heterogeneous Mixture
c)
Homogeneous Mixture
d)
Compound
37.
If they are not the same throughout, they are called...
a)
Homogeneous
b)
Heterogeneous
c)
Compounds
d)
Pure substance
38.
 A substance that cannot be broken down into any other substance by ordinarychemical means is called —
a)
molecule
b)
mixture
c)
element
d)
compound
39.

This is an example of a ...

a)

Element

b)

Molecule

c)

Mixture

d)

Compound

40.

This is an example of a...

a)

Element

b)

Compound

c)

Mixture

d)

Molecule

41.

Iron (Fe) is an example of a

a)

Compound

b)

Molecule

c)

Pure Substance

d)

Element

42.

This mixture is UNEVENLY mixed

a)

Homogeneous

b)

Heterogeneous

43.

How many different atoms

are there in a compound?

a)

0

b)

1

c)

2 or more

d)

-1

44.

Which of the following does not describe elements?

a)

All particles are alike

b)

Can be broken down into simpler substances

c)

Have unique sets of properties

d)

Join together to form compounds

45.

Which of the following best describes chicken noodle soup

a)

element

b)

compound

c)

mixture

d)

solution

46.

What is the chemical formula for water?

a)

NaCl

b)

CO2

c)

NH3

d)

H2O

47.

Example of a homogeneous mixture

a)

sweet tea

b)

pizza

c)

guacamole

d)

helium

48.

What is a mixture?

a)

an atom

b)

2 or more substances that are together in the same place, but their atoms are not chemically bonded

c)

a substance that cannot be broken down into any other substances by physical or chemical means

d)

A substance made of 2 or more elements that are chemically

combined in a set ratio

49.

The smallest unit of an element that has all the basic properties of the element is called what?

a)

compound

b)

mixture

c)

element

d)

atom

50.

KCl2

a)

Compound

b)

Element

c)

Mixture

51.

Lucky Charms Cereal

a)

Compound

b)

Element

c)

Mixture

52.

Koolaid

a)

Compound

b)

Element

c)

Mixture

53.

Salt (NaCl)

a)

Compound

b)

Element

c)

Mixture

54.

What type of matter is this?

a)

compound

b)

element

c)

mixture

55.

What type of matter is this?

a)

compound

b)

element

c)

mixture

56.

What type of matter is this?

a)

compound

b)

element

c)

mixture

57.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
58.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
59.
Are these molecules also compounds?
a)
YES
b)
NO
60.
Are these molecules also compounds?
a)
YES
b)
NO
61.

In this diagram, Y represents...

a)

An element

b)

A molecule

c)

A compound

d)

A mixture

62.

In this diagram, X represents...

a)

A compound

b)

A mixture

c)

An atom

d)

An element

63.

This diagram represents...

a)

An element

b)

A molecule

c)

A compound

d)

A mixture of elements and compounds

64.

Which example is a compound?

a)

N2

b)

O2

c)

Cu

d)

H2O2

65.
a)
Element
b)
Compound
c)
Mixture of compound and element
d)
Mixture of two elements
66.
Mixtures are __________ combined.
a)
Chemically
b)
Physically
c)
Magically
d)
Spontaneously
67.
What is CO2 and example of?
a)
element
b)
mixture
c)
compound

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