Class 7 Science Solved Model Papers: CBSE Class 7 Science Sample Paper Set 21
Access comprehensive sample question papers for Class 7 Science using the CBSE Class 7 Science Sample Paper Set 21. Designed to align with the 2026-27 CBSE academic guidelines, these model papers help students assess their exam readiness and understand current marking schemes.
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CBSE Class 7 Science Sample Paper Set U.Sample Papers are the very important for every student. The sample papers should be practiced to gain extra marks in examinations. The sample papers have been prepared based on summative assessment1 and summative assessment 2 pattern. The sample papers have been prepared based on pattern of last year examinations and as per latest changes in the syllabus. Students, teachers and parents can download all CBSE educational material and very well prepared worksheets from this website. All CBSE educational material is developed by our panel of teachers, have also been submitted by CBSE teachers and students.
Section- A
Q.1. Fill in the blanks:- (1)
(i) 0˚C = __________ ˚F.
(ii) The basic unit of time is __________.
Q.2. Write the two methods which were used in early time to measure time. (1)
Q.3. Answer in one word- (2)
(i) The process involved with the rise of mercury when clinical thermometer is kept under tongue.
(ii) The resting position of the bob of pendulum.
Q.4. Define: (i) Divergent beam of light. (2)
(ii) Time period of a pendulum.
Q.5. Identify the type of motion represented by the following graphs- (2)
Q.6. (i) Define the term “oscillation” for a simple pendulum. (2)
(ii) If a pendulum completes 40 oscillation in 20 seconds. Find its time period.
Q.7. (i) Define non- uniform motion. (3)
(ii) A body covers a distance of 50 km in 15 minutes. Calculate the speed in km/ h.
Q.8. (i) Differentiate between real and virtual images. (3)
(ii) Identify A and B in the following diagram and define them.
Q.9. Give reason - (3)
(i) Why does land breeze occur during night time?
(ii) Why do we wear light coloured clothes in summers and dark coloured clothes in winter?
Q.10. Medical vans used to transport patients to hospital has words “ ” inscripted on it. Name the phenomenon associated and explain. (3)
Q.11. (i) Plot the distance time graph for the following data. (5)
Time (h) 0 2 4 6 8
Distance (km) 0 3 8 9 13
(ii) With the help of graph, identify the type of motion.
(iii)Calculate the speed of car when time was 4h.
Section- B (CHEMISTRY) (26)
Q.14 Tartaric acid is present in __________ (1)
Q.15 Carpet wool is obtained from which breed of sheep. (1)
(i) Nali
(ii) Lohi
(iii) Marwari
(iv) Bakharwal
Q.16 Chemical formula of Sulphuric acid is (1)
(i) HSO4
(ii) H2SO3
(iii) H2SO4
(iv) K2SO4
Q.17 When is „World Water Day‟ celebrated? (1)
(i) 23rd March
(ii) 22nd March
(iii) 22nd May
(iv) 22nd July
Q.18 (i) How does aquifers get recharged? (2)
(ii)Name two water borne diseases.
Q.19 (i) Define shearing. (2)
(ii)Why shearing does not hurt the sheep?
Q.20 (i) Draw a flow chart to show production of silk from silk moth. (2)
(ii)Which microorganism is responsible for causing a fatal blood disease called sorter‟s disease?
Q.21 Name and define two processes that take place in the water cycle. (2)
Q.22 (i) Complete the following equation: (3)
Potassium hydroxide + Sulpheric acid
____________ + ____________ + ____________
(ii) Encircle the odd- one out. Give reasons for your choice.
Milk of magnesia, Sodium bi carbonate solution, Soap solution, Sugar solution.
Q.23 (i) Name two types of silk. (1+ 1+ ½+ ½)
(ii) Why do wool- yielding animals have thick fur?
(iii) What name is given to the hair of sheep?
(iv) Write the scientific name of Mulberry tree.
Q.24 (i) Why ice cubes float on water? (1 +1 +1)
(ii) Name the chemical constituents of water.
(iii)Define water table.
Q.25 Five solutions have been labelled as A, B, C, D and E. They have been tested with four indicators- methyl orange, phenolphthalein, blue litmus paper and red litmus paper. The observations have been recorded in the following table. Think and answer the questions that follow:
(i) Which of the following solutions can be used for neutralization?
(a) A and B
(b) C and B
(c) C and D
(d) D and E
(ii) What would be the colour of turmeric paper indicator in solution C?
(iii) How many acids have been tested?
Please click the below link to access CBSE Class 7 Science Sample Paper Set U.
Free study material for Science
CBSE Class 7 Science Sample Paper Set 21 & Sample Question Papers for Class 7 Science
Access Sample Papers for Class 7 Science
Review model practice papers for Class 7 Science. Working through the CBSE Class 7 Science Sample Paper Set 21 under simulated test conditions at home ensures complete familiarity with upcoming school evaluations.
Maximize Your Scores with Model Papers
- Curriculum Insights: Clarify chapter-wise weightage rules and question trends across Class 7.
- Gap Analysis: Check performance drops across sets to isolate specific Class 7 Science topics needing extra attention.
- Time Efficiency: Working through objective and descriptive problems builds critical pacing to finish exams comfortably.
Post-Practice Strategy for Class 7 Science
- Self-Evaluation: Score your answers using official guidance to track your academic progress.
- Mistake Correction: Class 7 pupils must re-solve questions answered incorrectly to master the correct method.
- Continuous Practice: Take additional Science sample modules online to maximize preparedness for CBSE evaluations.
FAQs
You can download the complete PDF for CBSE Class 7 Science Sample Paper Set 21 for free from StudiesToday.com. Our resources for Class 7 Science are updated for the latest academic session and follow the official exam pattern.
Yes, CBSE Class 7 Science Sample Paper Set 21 comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Science to help students of Class 7 understand correct methodology and marking scheme.
Practicing this Science paper helps in time management and identifying important topics. For Class 7, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.
Yes, all our study materials for Class 7 Science are provided in a mobile-friendly PDF format. You can easily download CBSE Class 7 Science Sample Paper Set 21 on your mobile device.