# CBSE Class 9 Science Practice Paper SA-II: Set -XI

Get here the CBSE Class 9 Science Practice Paper for the Summative Assessment-II, 2016-2017 from this article. Prepared as per the latest CBSE guidelines, this paper includes all new and important questions to help the students prepare for the coming exams more effectively.

Jagranjosh.com, India’s leading education portal, presents CBSE Class 9 Science Practice Paper for Sumamtive Assessment-II, 2016-17. This practice paper is specially prepared by the subject experts after the brief analysis of previous year question papers. The paper contains entirely fresh  questions picked from the most important topics of Science. This paper will help the students in understanding the depth with which a topic should be studied.

About CBSE Science Practice Paper for SA – II, 2016-17:

Most of the CBSE schools follow the CBSE exam criterion while setting the CBSE Class 9 Science paper for SA-II.  Generally the level of questions asked in the question papers varies from school to school, but the topics from which the questions are extracted, are usually the same. So, this practice paper is prepared to help the students get acquainted with the important topics to be studied while preparing for the exam.

Importance of CBSE Class 9th Science Practice Paper, 2016 -2017:

This Science SA – II Practice Paper for CBSE Class 9, is set as per the latest CBSE exam pattern and aims at helping the students to prepare for the exam more effectively so as to get the desired results.

Solution for this practice paper will be out very soon. Till then, give it a try to solve the paper to check your preparation for the coming exams.

•   understand the latest examination pattern

•   get aquainted to the important important topics to be studied for SA – II Science exam

Few sample questions from the Question Paper are given below:

Q. Write the atomicity of the following molecules:

(a) H2SO4,  (b) CC14

Q. What energy will be required to raise a box weighing 5kg to a height of 20 m? (Take g = 10 m/s2).

Q. Define law of conservation of mass and law of definite proportions with suitable examples.

Q. A box has dimensions 5 m × 3 m × 1 m. At which surface will it exert maximum pressure on the ground. If mass of box is 100 kg and g = 10 ms−2, find the maximum pressure exerted by the box.

Q. State the kind of energy transformation that takes place in the following devices:

(a) Electric oven                                  (b)Electric motor

(c) Microphone                                    (d) Steam engine

(e) Hydroelectric power plant                (f) Solar battery

Q. Raju used to supply milk in a locality. Though he claimed that he supplied pure milk, many people complained that his supply contained adulterated milk. To help people in his neighbourhood, Sourabh put the milk to test in a lactometer and proved Raju wrong.

(i) What is a lactometer?

(ii) State the principle on which a lactometer works.

(iii) What values are exhibited by Sourabh?

Q. (a) What is the principle behind the working of sound boards? Explain.

(b) How does the speed of sound change with (i) medium (ii) temperature?

Q. (a) Briefly explain why some objects sink but others float when immersed in a liquid.

(b) When a boat is partially immersed in water, it displaces 600 kg of water How much is the buoyant force acting on a boat in Newton (g = 10 m/s2)

Q. Ammonium chloride sublimates on heating. It means that on heating ammonium chloride:

(a) First melts at its melting point and then changes into a gas at its boiling point

(b) Directly changes from solid to vapours without melting.

(c) Loses its water of crystallization

(d) Condenses from the gaseous state to the liquid state

Q. When dipped in a fluid, name the factor on which the loss in weight of a solid depends. Name the two forces which act upon the solid dipped in the fluid.

Get the Complete Practice Paper from this link

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