DOS
Week of
Sept 10- 14
1.




DOS Monday
Which is one way liquid water is
different from water vapor?
The particles of liquid water are larger.
The particles of water vapor are farther
apart.
The particles of water vapor are closer
together.
Liquid water loses mass when it
changes to water vapor.
DOS ~ Monday
Which of the following allow
you to organize information
according to a specific criteria?
Classifying
Diagramming
Graphing
Measuring
2.
DOS ~ Monday
3. What is the biggest difference between
water particles in liquid water and water
particles in solid water?

The particles have different chemical
compositions

The particles in ice are vibrating in
place

The particles move faster in ice

The particles carry an opposite
electrical charge in ice than in water
DOS~Tuesday
1. An atom is _____________
(a.) The smallest part of an element
(b.) A rock
(c.) A science tool
(d.) A book
DOS~Wednesday
1. Which statement about atoms is
true?
 They are all the same.
 All substances are made of just
one kind.
 You can see them with your eyes.
 They are too small to be seen with
an ordinary microscope.
DOS~Wednesday
2. A particle made of two or more
atoms is called a ___________.
 element
 molecule
 compound
 None of the above
DOS~Wednesday
3. The diagram below shows iron,
oxygen, and carbon dioxide. Which
of these is a compound?
a.
Fe
b.
O
O
c.
O
C
Fe
Iron
O
O
O
O
O
C
O
Oxygen
O
Carbon Dioxide
O
C
O
DOS~Thursday
1. A substance having atoms of
more than one element that are
combined chemically is called a/an
___________.
 element
 molecule
 compound
 All of the above
DOS~Thursday
2. What is ALL matter made of?
 atoms
 oxygen
 water
 wood
DOS~Thursday
3. A substance having just one kind
of atom is called a/an ____________.
 oxygen
 carbon
 water
 element