SIUSLAW NEWS ❚ WEDNESDAY, SEPTEMBER 21, 2016
© 2016 by Vicki Whiting, Editor
Jeff Schinkel, Graphics
5 B
Vol. 32, No. 42
*Science, Technology, Engineering, Math
Below are some familiar baseball
images cut in half. Each one is
divided by its line of symmetry.
Can you work with a family
member to finish each drawing?
People used to think curve balls were just an
illusion. But thanks to technology and the
science of physics, we now know that a
baseball actually does curve, as much as 18
inches, when thrown by a skilled pitcher.
Curve balls start when a pitcher
throws them with topspin.
topspin
wind resistance
As the ball
spins, its bottom
surface moves in
air flow
the same direction
in which the air moves.
Topspin makes the top of the
baseball spin in the opposite
direction to the air moving
over the ball’s surface,
creating wind resistance.
Pitchers can throw several kinds of pitches to confuse
the batter. Do the math to discover which is which.
air pressure
Wind resistance creates higher air
pressure above the ball which
pushes against the ball, making it
fly in a curved flight path.
9:
13:
This pitch makes the
ball curve away from
the batter.
10:
This ball
curves down
and away
from the
batter.
Follow the
curved
paths to
reach the
baseball.
This ball drops
suddenly just before
it reaches home plate.
Newspaper
Numbers
In Circle One, write three
words that describe
Stacy Slugger. In
Circle Two, write
three words that
describe her
sister, Sandy
Slugger.
Where the
circles
intersect or
cross over each
other, write three
words that
describe both
Stacy and Sandy.
Look through the
newspaper and
circle five numbers.
Add them up.
Now look through
the newspaper
and find and circle
5 more numbers.
Add them up.
Which set of 5
numbers added up
to the largest sum?
Standards Link: Research:
Use the newspaper to locate
information.
This is called a
Venn diagram.
At the end of the ninth inning, the numbers fell off
the baseball stadium scoreboard. Add up each team’s
runs to see who won the game.
1
1 1 3
1
5
1
1
4
DRAGONS:
1 2
3 3 1
0
2
1
4
WOLVERINES:
TECHNOLOGY
BASEBALL
PRESSURE
SCIENCE
PITCHER
SCORES
FLIGHT
CURVE
PLATE
MATH
GAME
HOME
WIND
BALL
AIR
E N G S C O R E S
I
Y G O L O N H C E T
This week’s word:
P N E L G E U N R H
SYMMETRY
I R E A I
R
I
E U G
T N M B V G P
I
S
I
C E O E D H H C S L
H Y H S T N S S E F
E P L A T E
I
I
R C
R S M B A L L W P S
The noun symmetry means
something that is the same
or balanced on both sides of
a dividing center line.
A baseball has symmetry
because it is the same on
both sides.
Try to use the word
symmetry in a sentence
today when talking with your
friends and family members.
Baseball Math Fact
Find the score of a game. Create a math fact
or number sentence about that score. For
example if the Giants beat the Cubs 9 to 3,
the number sentence would be 9 - 3 = 6.
ANSWER: The both need a good batter.
Standards Link: Number Sense: Students write and solve number
sentences from problem situations that express relationships
involving addition and subtraction.
Write a paragraph telling
others about your favorite
sport and why it is your
favorite.
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