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CCT PRACTISE ITEM-APRIL-SET.1 -SCIENTIFIC LITERACY -SCORING KEY.1-KV SAP
KENDRIYA VIDYALAYA SAP, THIRUVANANTHAPURAM-05
CCT PRACTISE ITEM-APRIL-SET.1
SCIENTIFIC
LITERACY
SCORING KEY.1
|
Domain: Scientific
Literacy |
Theme: Force and Laws of motion |
Class(es): IX - XI Expected time: 15 mins Total Credit: 10 marks |
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Description of Item:
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Learning Outcome: (As per NCERT) Explains the terms like inertia,
impulse and momentum. The learners would be able to
differentiate between balanced and unbalanced forces evaluate the numerical value
of force and momentum. Explain the laws of motion in
various situations. |
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Scientific Literacy
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FRAMEWORK |
CHARACTERISTICS |
|
Competency |
Understand of Scientific
Principle |
|
Knowledge-system |
Conceptual content |
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Context |
Real life / Global |
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Cognitive demand |
Medium |
|
Item format |
Open constructed |
|
Proficiency Level |
4 |
Credit Pattern:
Full Credit: 02; Partial
Credit: 01 ; Nil
Credit: 0
Description of Answer Key and
Credits:
|
Explain expected answer and the respective credits: Two credits
each 4.1 c) To resist any change in its
state of rest or motion 4.2 a)
Accelerated 4.3 b) Move forward 4.4 b) Kg 4.5 c) Tata Nano |
PLEASE NOTE: Correct
your answers with this scoring key and award mark as per it. Please intimate
your score to your MENTOR when asked.
CCT PRACTISE ITEM-APRIL-SET.1 -SCIENTIFIC LITERACY -QUESTION PAPER.1-KV SAP
KENDRIYA
VIDYALAYA SAP, THIRUVANANTHAPURAM-05
CCT PRACTISE ITEM-APRIL-SET.1
SCIENTIFIC
LITERACY
QUESTION PAPER.1
UNIT –IV FORCE AND LAWS OF MOTION
The tendency of
a body in motion continues to remain in motion, moving with uniform velocity
and a body at rest continues to remain at rest unless acted upon by a force.
This tendency of the body is known as ‘inertia’ (i.e.
resistance to change). In Newton’s First Law of Motion, this concept is
clarified. The word inertia comes from the Latin word ‘iners’ that means idle
or lazy.
4.1 The inertia of an
object tends to cause the object ( )
a) To increase its
speed
b) To decrease its
speed
c) To resist any change in
its state of rest or motion
d) To decelerate due to
friction
4.2 A passenger in a
moving train tosses a coin which falls behind him. It means that motion of the
train is ( )
a)
Accelerated
b)
Uniform
c)
Retarded
d) Along circular tracks
4.3 A water tanker filled
up to 2/3 of its height is moving with a uniform speed. On sudden application
of the brake the water in the tank would ( )
a) Move
backward
b) Move
forward
c) Be
unaffected
d) Rise upwards
4.4 The physical quantity which makes it easier to accelerate a small car than a large car when equal amount of force is applied is measured in the unit of:
a)
m/s b) Kg
c) Kg m/s
d) Kg m/s2
4.5 A Honda city car, a Maruti Alto car, a Tata Nano car and a Mahindra Scorpio car all are running at the same speed of 50m/s under identical conditions. If all these cars are hit from behind with the same force and they continue to move forward, the maximum acceleration will be produced in
a)
Honda city b) Maruti Alto
c) Tata Nano
d) Mahindra Scorpio
PLEASE NOTE: Copy the questions in your CCT note book and
answer for all (No need to draw the diagram). Scoring key will be made
available to you soon with directions to self-checking. No need to send any
image/pdf back to your MENTOR through Whats App group. Please follow the
instructions from your MENTOR time to time.
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