NEW
Font size
S
M
L
XL
WorksheetsChemistry
Total questions: 32
Worksheet time: 28mins
Name
Class
Date
1.
Which of the following is an example of chemical change
a)
a pond drying up
b)
BURNING gasoline producing carbon dioxide
2.
New substances are formed during this
a)
Melting
b)
Chemical change
c)
Evaporation
3.
How are solids different from liquids?
a)
Solids have a fixed shape
b)
Liquids have a fixed shape
c)
Solids do not freeze
d)
Liquids do not freeze
4.
Olivia is making smores over a campfire. Her marshmallow falls into the fire and burns. Which is true about her marshmallow?
a)
The fire produces no change to the marshmallow.
b)
The fire produces a physical change to the marshmallow.
c)
The marshmallow turns into new matter (ashes).
d)
The ashes left behind will turn back into a marshmallow.
5.
Which of these show how liquid water changes as the temperature of the air decreases?
a)
Water -> Gas
b)
Gas -> Water
c)
Water -> Ice
d)
Ice -> Water
6.
Which process results in a permanent change to matter?
a)
A haircut
b)
Breaking a graham cracker
c)
An apple that has turned brown and smells bad
d)
Ice melting
7.
What is true about liquid water?
a)
It is invisible
b)
It has a definite shape and volume
c)
It has a temperature below freezing
d)
It takes the shape of its container
8.
The diagram shows the process of
a)
melting
b)
boiling
c)
freezing
d)
condensing
9.
Is making salt water to gargle with a physical or chemical change?
a)
physical
b)
chemical
10.
An gel ice pack getting cold after you put it in the freezer for an hour.
a)
Chemical Change
b)
Physical Change
11.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
12.
Green bananas turning yellow on their own as they ripen.
a)
Chemical Change
b)
Physical Change
13.
Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.
a)
Chemical Change
b)
Physical Change
14.
Which of the following is NOT an example of a physical change?
a)
crumpled paper
b)
pencil sharpening
c)
shrunken clothing
d)
sour milk
15.
A change in which NEW substances are formed.
a)
Chemical change
b)
Physical change
c)
Casual change
d)
Formal change
16.
Which of the following is NOT an example of chemical change?
a)
sour milk
b)
burning wood
c)
breaking a pencil
d)
rust
17.
Which of the following IS a chemical change
a)
using chalk
b)
water freezing
c)
slicing cheese
d)
digestion
18.
In the equation, 2Mg + O2 ---> 2MgO, which are the reactants?
a)
Mg and O
b)
MgO
c)
Mg and MgO
d)
O and MgO
19.
Is melting butter for popcorn a chemical or physical change?
a)
chemical
b)
physical
20.
Is bleaching your hair a physical or chemical change?
a)
physical
b)
chemical
21.
Using dye to change the color of a shirt green.
a)
Chemical Change
b)
Physical Change
22.
Is glass breaking a chemical or phyiscal change?
a)
chemical
b)
physical
23.
Is hammering wood together to build a house a chemical or physical change?
a)
chemical
b)
physical
24.
Baking soda and vinegar combine to make carbon dioxide
a)
Chemical Change
b)
Physical Change
25.
Boiling water
a)
Chemical Change
b)
Physical Change
26.
What is the symbol for sodium?
a)
Na
b)
S
c)
Sm
27.
What is the symbol for iron?
a)
I
b)
Ir
c)
Fe
28.
Name the element that has the chemical symbol C
a)
Cobalt
b)
Carbon
c)
Hydrogen
29.
NaCl
a)
sugar
b)
salt
c)
rust
30.
H2O
a)
salt
b)
sugar
c)
water
31.
CO2
a)
Carbon dioxide
b)
salt
c)
sugar
32.
C6H12O6
a)
salt
b)
carbon dioxide
c)
sugar
Reset
