SCIENCE Q3 W2 QUIZ BEE REVIEWER: EFFECTS OF FRICTION AND GRAVITY TO THE MOVEMENTS OF OBJECTS
SCIENCE Q3 W2 QUIZ BEE REVIEWER: EFFECTS OF FRICTION AND GRAVITY TO THE MOVEMENTS OF OBJECTS
EASY
1.
Roy is playing with his toy car. In which surface will his
toy car travel faster?
A.
cemented floor
B.
carpeted floor
C.
grassy surface
D.
polished floor
Ans. D
2.
Which activity is a way of reducing
friction?
A. applying lubricant
B. using spiked shoes
C.
putting spikes on tires
D. removing wheels
on heavy cabinets
Ans. A
3.
When can we say that friction on a floor is greater?
A.
If the floor is wet.
B. If the floor is tiled.
C.
If the floor is rough.
D.
If the floor is smooth.
Ans. C
4. Which surface has the least amount of friction?
A.
carpet
B.
concrete
C. grass
D. ice
Ans. D
5. Which activity
below needs least friction?
a. climbing
b. jogging
c. skating
d. walking
Ans. C
AVERAGE
1.
Rougher surfaces have ___________________.
A. no
friction
B. less
friction
C. more
friction
D. same
level of friction
Ans. C
2.
Friction is a force that acts in an ___________________ direction of movement.
A.
opposite C.
similar
B.
parallel D.
westward
Ans. A
A.
They lessen friction.
B.
They make the tires sturdy.
C.
They provide more friction.
D.
They make the tires race smoothly.
Ans. A
4. It is very
hard to pull an object in a rough surface because __________________.
A. Friction holds an object.
B. Friction fastens an
object.
C. Friction makes an object heavier.
D. Friction slows down the movement of
objects.
Ans. D
5. Friction can
be lessened in your door hinge by means of ___________________.
A. Putting some oil in it.
B. Coating it with paint.
C. Washing it with soap and water.
D. Wounding a rubber band around it.
Ans. A.
DIFFICULT
1. Why is it difficult to move heavy objects
on a rough surface?
A.Rough surface is slippery.
B. There is no friction
on a rough surface.
C.
There is lesser friction on a rough surface.
D.
There is greater friction
on a rough surface.
Ans. D
2. When you are travelling along a road, how does the wet road affect
friction?
A.It increases friction.
B.It decreases friction.
C.It maintains friction.
D.It increases and decreases friction.
Ans. B
3.
Why do you need to put rollers
under the cabinets
when you want to move them?
A.
To apply more force
B.
To stop the movement of the cabinet
C.
To slow down the movement
of the cabinet
D.
To minimize friction
through the small
surface of contact
of the rollers
Ans. D
4.
Why do badminton
players use rubber shoes while playing?
A.
To slide since the
badminton court is slippery.
B.
To glide faster since the badminton court is slippery.
C.
To have lesser
friction between their shoes and the floor.
D.
To have greater
friction between their shoes and the floor.
Ans. D
5.
Which of the following shows that friction
could be harmful?
A.
using breaks when stopping
B.
tearing out of bicycle gears
C.
writing
on a paper
D.
holding
a glass
Ans. B
CLINCHER
1. A crumpled and an uncrumpled paper were dropped at the same height and time, which paper will reach the ground first?
A.
The crumpled paper because it has a smaller surface area.
B.
The uncrumpled paper because it has a bigger surface area.
C.
Crumpled paper because
it is heavier compared to the uncrumpled paper.
D.
None, because both the crumpled
and uncrumpled paper have same masses.
Ans. A
2.
Drivers
driving on a wet road are advised to slow down. Why?
A.
To
avoid skidding so that the tires will last longer.
B.
To
save on fuel because tires moving on wet road uses more fuel.
C.
To
save on fuel because tires moving on wet road uses less fuel.
D.
To
avoid skidding because friction between the tires and wet road is less.
Ans. D
3.
Why do drivers
drive their car slowly during rainy days?
A.
Drivers drive slowly because the windshield is blurred.
B.
Drivers drive slowly because they are afraid
of the rain.
C.
Drivers drive slowly because the road is wet so there is less friction.
D.
Drivers drive slowly
because the road is wet so there is more friction.
Ans. C
4. Which of the following situations shows that friction is increased?
A.
Robert puts rollers
on heavy cabinets.
B.
Nestor puts grease on his bicycle gears.
C.
Cynthia uses rubber shoes while jogging.
D.
Bea puts floor
wax to make the floor smooth.
Ans. C
5. In which
of the following situations would friction most likely pose a problem?
A.
holding a pen to write
B.
walking on a slippery floor
C.
rubbing your hands to warm them
D.
setting of glass and plates on top of a table
Ans. B
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