wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

2020-21 Unit 1 Test Review

Total questions: 60

Worksheet time: 36mins

Name
Class
Date
1.

How many elements are in the following compound?

C6H12O6

a)

3

b)

24

c)

6

d)

12

2.

Element or Compound? Zn

a)

Element

b)

Compound

3.

Element or Compound? CO2

a)

Element

b)

Compound

4.

How many capital letter are in an element?

a)

2+

b)

1

5.

Compounds are...

a)

pure substances

b)

made of 2+ elements

c)

only has one capital letter

d)

represented by a formula

e)

represented by a symbol

6.

Which is not a sign of a chemical change?

a)

fire/burning/combustion/rusting

b)

changing of state

c)

precipate

d)

unexpected color change

7.

Chemical or Physical Change? Fireworks

a)

Chemical

b)

Physical

8.

Chemical or physical? Salt dissolving

a)

chemical

b)

physical

9.

Which are compounds?

a)

NO3

b)

No

c)

NaCl

d)

H3PO4

e)

Po4

10.

Elements are represented by what?

a)

formula

b)

symbol

c)

molecule

d)

atoms

11.

Water is an element or compound?

a)

element

b)

compound

12.

A chemical change occurs when 2+ molecules react to form new substances with new properties. Ture or False?

a)

True

b)

False

13.

Boron is a example of a?

a)

metal

b)

nonmetal

c)

metalloid

14.

Element or Compound? Co

a)

element

b)

compound

15.

How many elements are in H2O?

a)

3

b)

2

c)

4

d)

1

16.

Burning a piece of paper is an example of a

a)

Physical Change

b)

Chemical change

17.

Scrambling eggs is an example of

a)

A physical change

b)

A chemical change

c)

Solution

18.

Tearing paper into small pieces is an example of a

a)

Mixture

b)

Physical change

c)

Chemical change

19.

Which of the following is a chemical change?

a)

Cutting bread

b)

Slicing carrots

c)

Melting butter

d)

Soured milk

20.

Which of the following is a physical change?

a)

Ice melting

b)

Baking potatoes

c)

Rusty nail

d)

Rotting wood

21.

Which change creates a NEW substance?

a)

Physical change

b)

Chemical Change

22.
Melting butter to pour over popcorn is a 
a)
Chemical change
b)
Physical change
23.
Which action would be a chemical change?
a)
freezing water
b)
tearing paper
c)
cleaning pennies
d)
melting chocolate
24.
Glass breaking s an example of a
a)
Chemical change
b)
Physical change
25.
A rusty bike shows a 
a)
Chemical change
b)
Physical change
26.
A ___________ change leads to the formation of a different substance.
a)
Physical change
b)
Chemical change
27.
Baking soda and vinegar combine to make carbon dioxide
a)
Chemical Change
b)
Physical Change
28.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
29.
A compound consists of two or more elements bound together.
a)
True
b)
False
30.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
31.
You drop two Alka-Seltzer tablets in a glass of water and immediately see bubbles coming up through the water. They probably indicate:
a)
A change of color
b)
Formation of a gas
c)
A change in temperature
d)
Formation of a precipitate
32.
A chemical change always results in the formation of a:
a)
explosion
b)
big mess
c)
new substance
d)
new state of matter
33.
When we mixed milk and vinegar in the lab demonstration, a/an ______________ was created.
a)
cheese
b)
new food
c)
precipitate
d)
element
34.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
35.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
36.
Which of the following could be a symbol on he periodic table of elements?
a)
JZ
b)
jz
c)
Jz
d)
JZa
37.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
38.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
39.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
40.

Both elements and compounds are pure substances.

a)

Agree

b)

Disagree

41.

Every compound has a chemical formula.

a)

Agree

b)

Disagree

42.

Represented by an unique chemical symbol

a)

Elements

b)

Compounds

c)

Both

43.

State of matter (solid, liquid, gas), shape and mass

a)

Physical Property

b)

Chemical Property

44.

What is the difference between Co and CO?

a)

CO is an element but Co is a compound

b)

Nothing is different. They are the same thing.

c)

CO is two elements and Co is only one element

d)

Co is not a pure substance

45.

Chemical Reaction

a)

a substance formed as a result of a chemical reaction

b)

a change in matter that produces one or more new substances

c)

the process in which substances undergo chemical changes that result in the formation of new substances

d)

a substance that enters into a chemical reaction

46.
A substance made of TWO or more elements that are CHEMICALLY combined in fixed amounts is...
a)
Substance
b)
Element
c)
Compound
47.
Which is a PURE substance composed of the SAME type of atom
a)
atom
b)
substance
c)
element
48.
A CHANGE that alters (changes) the identity of a substance and results in a NEW substance with DIFFERENT properties.
a)
Chemical Change
b)
Physical Change
49.
A CHANGE to a substance that occurs without forming a NEW substance, such as change of size or state of matter.
a)
Physical Change
b)
Chemical Change
50.
Evidence of a NEW substance formed from a chemical change, resulting in SOLID particles that form or separate out of a liquid is...
a)
Production of Heat or Light
b)
Production of a Precipitate
c)
Production of Gas
51.
Striking a match is a...
a)
Chemical Change
b)
Physical Change
52.
Melting chocolate is a...
a)
Chemical Change
b)
Physical Change
53.
A change that alters the identity of a substance resulting in a NEW substance with different properties. 
a)
chemical change
b)
physical change
54.
A change to a substance that occurs WITHOUT forming a new substance, such as a change in a state of matter. 
a)
chemical change
b)
physical change
55.
This is a CHEMICAL CHANGE- true or false?
a)
True 
b)
False
56.
This is a CHEMICAL CHANGE- true or false?
a)
True
b)
False
57.
This is a PHYSICAL CHANGE- true or false?
a)
True
b)
False
58.
a pure substance made of the same type of atom throughout
a)
Atom
b)
Element
c)
Substance
d)
Compound
59.

Physical Changes include

a)

changes in state of matter

b)

changes in size

c)

changes in shape

d)

all of the above

60.
A student mixes 2 clear liquids and the mixture slowly turns orange.  Which conclusion can we draw?
a)
They are both dangerous.
b)
They formed a new substance.
c)
At least one is an element.

Similar Resources on Wayground

All Things FFA

57 questions

All Things FFA

quiz

Worksheet

•

6th Grade

Brevet - Physique Chimie - Lab School Paris Revisions

61 questions

Brevet - Physique Chimie - Lab School Paris Revisions

quiz

Worksheet

•

6th - 8th Grade

Ulangan Harian Tema 7 kelas 6

60 questions

Ulangan Harian Tema 7 kelas 6

quiz

Worksheet

•

6th Grade

Mental maths / gk

60 questions

Mental maths / gk

quiz

Worksheet

•

1st - 12th Grade

Earth's Changing Climate Review

60 questions

Earth's Changing Climate Review

quiz

Worksheet

•

6th Grade

Core Knowledge Science Review

55 questions

Core Knowledge Science Review

quiz

Worksheet

•

6th Grade

Quiz #1 - Safety and CER

58 questions

Quiz #1 - Safety and CER

quiz

Worksheet

•

6th Grade - University

U3 6th Grade Waves Study Guide

59 questions

U3 6th Grade Waves Study Guide

quiz

Worksheet

•

6th Grade