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WorksheetsWater W7D1
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
The chemical compound of water is
a)
HO
b)
H2O
c)
H3O
d)
HO2
2.
A water strider can skate along the top of a pond because:
a)
covalent bonds result in water cohesion
b)
hydrogen bonds result in water cohesion (surface tension)
c)
water striders have adapted to take advantage of water cohesion
d)
low surface tension of water
3.
This photos shows water molecules in which state of matter...
a)
Solid
b)
Liquid
c)
Gas
4.
This photo shows water molecules in which state of matter?
a)
Gas
b)
Liquid
c)
Solid
5.
Which atoms bond together to create a water molecule?
a)
Oxygen and Hydrogen
b)
Carbon and Oxygen
c)
Hydrogen and Helium
d)
Helium and Carbon
6.
This photo shows water molecules in which state of matter?
a)
Liquid
b)
Solid
c)
Gas
7.
How many Hydrogen atoms does a single water molecule have?
a)
1
b)
2
c)
3
d)
4
8.
What does "polar" mean?
a)
A molecule is cold
b)
A molecule has areas of positive and negative charge
9.
Select the good defenition for PHYSICAL CHANGE:
a)
A CHEMICAL REACTION OCCURS & NEW PRODUCT ARE FORMED
b)
MATTER CHANGE FORM BUT NOT CHEMICAL IDENTITY
10.
Select the good definition for CHEMICAL CHANGE:
a)
A CHEMICAL REACTION OCCURS & NEW PRODUCT ARE FORMED
b)
MATTER CHANGE FORM BUT NOT CHEMICAL IDENTITY
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