WorksheetsUnit 1
Total questions: 50
Worksheet time: 42mins
Name
Class
Date
1.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
2.
Is a a rusting bicycle a chemical or physical change?
a)
chemcial
b)
physical
3.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
4.
Is melting ice a chemical or physical change?
a)
chemical
b)
physical
5.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
6.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
7.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
8.
What is H2SO4
made up of?
made up of?
a)
2 hydrogen, 1 sulfur, 4 oxygen
b)
1 hydrogen, 2 sulfur, 4 oxygen
c)
2 hydrogen & 4 sodium
d)
1 hydrogen & 6 sodium
9.
Is mowing the lawn a phyiscal or chemical change?
a)
physical
b)
chemical
10.
Is corroding metal a chemical or physical change?
a)
physical
b)
chemical
11.
Is bleaching your hair a physical or chemical change?
a)
physical
b)
chemical
12.
Are fireworks exploding a physical or chemical change?
a)
phyiscal
b)
chemical
13.
Is sqeezing organges to make orange juice a phyical or chemcial change?
a)
physical
b)
chemical
14.
A pure substance containing only one kind of atom.
a)
element
b)
mixture
c)
compound
15.
Is frying an egg a physical or chemical change?
a)
chemical
b)
physical
16.
What does N stand for?
a)
Nitrogen
b)
Nickel
c)
Neon
17.
Water is an example of:
a)
Element
b)
Compound
c)
Solution
18.
Is burning leaves a physical or chemical change?
a)
chemical
b)
physical
19.
cream being whipped a physical or chemical change?
a)
physical
b)
chemical
20.
Is burning toast a chemical or physical change?
a)
physical
b)
chemical
21.
Compounds are different than elements because compounds are -
a)
A combination of two or more elements.
b)
B)not able to be broken down into parts
B)not able to be broken down into parts
c)
made from the same type of atoms
d)
a pure substance, elements are not
22.
Is melting ice cream a phyiscal or chemical change?
a)
physical
b)
chemical
23.
Is sour milk a chemical or physical change?
a)
chemical
b)
physical
24.
Is rancid butter a chemical or physical change?
a)
physical
b)
chemical
25.
Is moldy cheese a chemical or physical change?
a)
chemical
b)
physical
26.
Is spoiled meat a chemical or physical change?
a)
chemical
b)
physical
27.
What is the chemical symbol for Titanium
a)
Ti
b)
TI
c)
Tm
d)
Sn
28.
How many elements are represented in the compound?
Na2CO3
Na2CO3
a)
1
b)
2
c)
3
d)
4
29.
Is a strong gaseous odor coming from the fridge a chemical or physical change?
a)
Chemical
b)
physical
30.
Which of the following is not a compound?
a)
HCl
b)
Cl
c)
NaCl
d)
CO2
31.
S stands for what element?
a)
Silicon
b)
Tin
c)
Sulfur
d)
Antimony
32.
What is the chemical symbol for mercury?
a)
Hg
b)
Mc
c)
My
d)
C
33.
Salt has a chemical formula of NaCl. Salt is a...
a)
Compound
b)
Element
c)
Mixture
d)
None of the Above
34.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
35.
Which of the following represents an element?
a)
H2O
b)
He
c)
NaCl
d)
CaCO3
36.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
37.
Are there any compounds on the periodic table
a)
yes there are many
b)
no because only elements are on the periodic table
c)
I think they are?
38.
which is an example of an element
a)
CaCl
b)
FeO
c)
N
d)
NaCl
39.
Which of the following is the chemical formula for Salt?
a)
Na
b)
Cl
c)
ClNa
d)
NaCl
40.
How many different elements are represented in the compound?
C13H9N
C13H9N
a)
2
b)
3
c)
1
d)
4
41.
How many different elements are represented in the compound?
Fe3O4
Fe3O4
a)
2
b)
3
c)
1
d)
4
42.
Which item is not made of matter?
a)
air
b)
water
c)
a pencil
d)
a shadow
43.
These can only be separated by chemical means.
a)
element
b)
compound
c)
mixture
d)
stuff
44.
Elements can be broken down into simpler substances.
a)
false
b)
true
c)
sometimes
45.
A substance that cannot be broken down into a simpler substance
a)
Element
b)
Compound
c)
Mixture
46.
Adding baking soda and vinegar together and it fizzes and creates carbon dioxide.
a)
Chemical
b)
Physical
47.
Ice Melting
a)
Chemical Change
b)
Physical Change
48.
Pancakes cooking on a griddle
a)
Chemical Change
b)
Physical Change
49.
A tire is inflated with air.
a)
Chemical Change
b)
Physical Change
50.
What are the three states of matter?
a)
gas, liquid, mass
b)
solid, liquid, gas
c)
mass, solid, magnet
d)
gas, temperature, solids
100 %
