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A Game of X’s and O’s
Another
Presentation
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Scoreboard
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X
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O
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Click Here if
X Wins
Click Here if
O Wins
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1
a. toasting a
marshmallow
b. toothpick in
half
c. melting ice
d. boiling
water
Which of these is a chemical
change?
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Toasting a marshmallow
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2
a. Period 1
b. Periods 1 through 4
c. Group 18
d. Groups 3 through 12
The elements in
the periodic table
are arranged in
columns called
Groups and rows
called
Periods. Which
of the following
parts of the
periodic table
consists only of
the non-reactive
elements called
the noble gases?
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C – Group 18
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The elements
in Groups 3
through 12 in
the periodic
table are
known as
a. Metalloids
b. Inert gases
c. Nonmetals
d. Transition
metals
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d. Transition metals
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Nonmetals are found on the right
side of which dark line?
a. I
b. II
c. III
d. IV
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C. III
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How many
protons does a
krypton atom
have?
a. 18 c. 72
b. 36 d. 84
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B. 36 protons
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6
The diagram above shows models of two different atoms.
Which atomic particles are represented by the black dots?
a. Protons
c. electrons
b. Neutrons
d. nuclei
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C. Electrons
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7
When baking soda
and vinegar are
combined, gas
bubbles form, the
vinegar smell
disappears, and the
mixture gets colder.
Has a chemical or
physical change
taken place?
a. Physical Change b. Chemical Change
c. Not enough information
d. Half physical change, half chemical change
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B. Chemical Change
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Which SI unit would you use to report the mass of the steel ball shown in the diagram?
Which SI unit would you use to report the mass of the steel ball shown in the diagram?
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a. Grams
c. Meters
b. Ounces
d. Liters
Which SI unit
would you use
to report the
mass of the
steel ball shown
in the diagram?
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A. Grams
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The table shows
approximate amounts
of gases inhaled and
exhaled by humans.
What conclusion can
you draw from the
data?
a. Inhaled air contains less oxygen and more carbon dioxide
than exhaled air.
b. Inhaled air contains more oxygen and more carbon dioxide
than exhaled air.
c. Inhaled air contains more oxygen and less carbon dioxide
than exhaled air.
d. Inhaled air contains the same amount of oxygen and
carbon dioxide as exhaled
Air.
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c. Inhaled air contains more
oxygen and less carbon dioxide
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than exhaled air.