Are You Smarter
th
Than a 4 Grader?
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Are You Smarter Than a
4th Grader?
Force and Motion!
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5th Grade Topic 1
5th Grade Topic 2
4th Grade Topic 3
4th Grade Topic 4
3rd Grade Topic 5
3rd Grade Topic 6
2nd Grade Topic 7
2nd Grade Topic 8
1st Grade Topic 9
1st Grade Topic 10
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25,000
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1,000
5th Grade Topic 1 Question
What
affects the gravitational pull
between objects?
A.
mass and acceleration
B. mass and distance
C. acceleration and force
D. force and mass
Explain your reasoning!
B.
5th Grade Topic 1 Answer
Mass and distance!
Think
of our planets! Everything has
gravity, but a heavier object (a greater
mass) has a stronger gravitational pull.
Also, distance affects gravitation (think of
magnets!) The farther apart, the weaker
the attraction!
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5th Grade Topic 2 Question
What
is the measurement of the
force of gravity on an object?
A.
acceleration
B. mass
C. speed
D. weight
5th Grade Topic 2 Answer
WEIGHT!
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4th Grade Topic 3 Question
If
a heavy ball and a light ball are
rolling at the same speed, which ball
will more difficult to stop? WHY?
4th Grade Topic 3 Answer
A
heavy ball would be more difficult
to stop because it has a greater
momentum. More force would have to
be applied to the ball to help it stop
because the heavy ball has a greater
mass.
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4th Grade Topic 4 Question
Which
ball would need the LEAST
force to move?
A.
10 oz.
B. 24 oz.
C. 16 oz.
D. 5 oz.
Explain your reasoning!
4th Grade Topic 4 Answer
The
5 oz. ball would require the least
force to move because it is the
lightest!
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3rd Grade Topic 5 Question
How
many forces must be applied to
make a simple machine work?
3rd Grade Topic 5 Answer
Only
ONE force is needed to make a
simple machine work!
(Think: Only one simple push or pull
sets a simple machine in motion).
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3rd Grade Topic 6 Question
Define
force and give one example of
force used in everyday life.
Many examples will be accepted! 
3rd Grade Topic 6 Answer
Force
is a push or a pull.
An
example of a force used in everyday
life would be when you kick a soccer ball
while playing soccer. You apply force to the
ball when you kick it ( a push), and you then
set the ball in motion.
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2nd Grade Topic 7 Question
Which
object would take the most
force to push?
A.
bus
B. skateboard
C. brick
2nd Grade Topic 7 Answer
A
A
BUS!
bus has the most mass (and is the
heaviest object), so we would have to
use much more force to push a bus
versus a skateboard (which is much
lighter).
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2nd Grade Topic 8 Question
What
would be the best simple
machine to use to slice fruit?
2nd Grade Topic 8 Answer
A
WEDGE!
(Hint: Think of an ax cutting wood!) A
wedge is the only simple machine that
could possibly cut through food. The
other simple machines wouldn’t make
sense!!
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1st Grade Topic 9 Question
Which
alike?
two simple machines are most
1.
screw and lever
2. lever and wedge
3. screw and inclined plane
WHY?? Explain your reasoning!
1st Grade Topic 9 Answer
A
screw and inclined plane!
A
screw is an inclined plane wrapped
around a cylinder!
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1st Grade Topic 10 Question
Which
simple machine would not work
without a fulcrum?
1st Grade Topic 10 Answer
A
lever!
Bonus
50 points for all teams:
SHOW ME A LEVER WITH YOUR ARM AND
POINT TO THE FULCRUM!
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Million Dollar
Question
Grade Level
Topic 11
1,000,000 Question
Tommy
is pushing a box across the
floor. Mary is pushing the box with
equal force in the opposite direction.
What is the result?
1,000,000 Answer
Since
Tommy and Mary are applying equal forces in
opposite directions, the box will stay in the same
place!
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Thanks for Playing!