CBSE Previous Year Question Papers Class 7 Science

CBSE Science questions papers

CBSE last year papers for class 7 Science and Last Year Question Paper & Solutions of 7 Science are made available by CBSE every year just after the annual exams are over. CBSE marking scheme and blue print is provided along with the previous year question paper. This helps students find answer the most frequently asked question, How to prepare for CBSE annual exams. The best way to prepare for annual exams is to understand the questions pattern and practice them as given in previous year question papers.

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Question papers of class 7 Science

CBSE class 7 Question Paper for Science for the year 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015 with solutions in PDF format for free download. The previous year question papers last 10 year for all – NCERT books and based on CBSE latest syllabus must be downloaded and practiced by students. These old 5 to 10 year question papers are the best source to understand question paper pattern and chapter wise weightage in class 7^th Science question paper.

Cource Structure for class 7 Science

- Questions : Food
Food from where
How do plants get their food?
Key concepts : Autotrophic and heterotrophic nutrition; parasites, saprophytes; photosynthesis.
Resources : Coleus or any other plant with variegated leaves, alcohol, iodine solution, kit materials.
Activities/processes : (Periods - 22) Need for light, green leaf for photosynthesis, looking at any saprophyte/parasite and noting differences from a green plant.

Questions : Utilization of food
How do plants and animals utilize their food?
Key concepts : Types of nutrition, nutrition in amoeba and human beings, Digestive system – human, ruminants; types of teeth; link with transport and respiration.
Resources : Model of human teeth, charts of alimentary canal, types of nutrition etc., chart and model of amoeba. The story of the stomach with a hole.
Activities/processes : Effect of saliva on starch, permanent slide of Amoeba. Role play with children.

- Questions : Materials
Materials of daily use
Do some of our clothes come from animal sources?
Which are these animals?
Who rears them? Which parts of the animals yield the yarn? How is the yarn extracted?
Key concepts : Wool, silk – animal fibers. Process of extraction of silk; associated health problems.
Resources : Samples of wool and silk; brief account of silkworm rearing and sheep breeding
Activities/processes : (Periods - 38) Collection of different samples of woolen and silk cloth. Activities to differentiate natural silk and wool from artificial fibers. Discussion.

Questions : What kinds of clothes help us to keep warm? What is heat?
What is the meaning of ‘cool’/‘cold’ and ‘warm’ ‘hot’?
How does heat flow from/to our body to/ from the surroundings?
Key concepts : Heat flow; temperature.
Resources : Potassium permanganate, metal strip or rod, wax, common pins, spirit lamp, matches, tumblers, Thermometer etc.
Activities/processes : Experiment to show that ‘hot’ and ‘cold’ are relative. Experiments to show conduction, convection and radiation. Reading a thermometer.

Questions : Different kinds of materials
Why does turmeric stain become red on applying soap?
Key concepts : Classification of substances into acidic, basic and neutral; indicators
Resources : Common substances like sugar, salt, vinegar etc., test tubes, plastic vials, droppers, etc.
Activities/processes : Testing solutions of common substances like sugar, salt, vinegar, lime juice etc. with turmeric, litmus, China rose. Activity to show neutralization.

Questions : How things change/ react with one another
What gets deposited on a tawa/khurpi /kudal if left in a moist state?
Why does the exposed surface of a cut brinjal become black?
Key concepts : Chemical substances; in a chemical reaction a new substance is formed.
Resources : Test tubes, droppers, common pins, vinegar, baking powder, CuSO⁴ , etc.
Activities/processes : Experiments involving chemical reactions like rusting of iron, neutralization (vinegar and baking soda), displacement of Cu from CuSO⁴ etc. Introduce chemical formulae without explaining them.

Questions : Why is seawater salty? Is it possible to separate salt from seawater?
Key concepts : Substances can be separated by crystallization.
Resources : Urea, copper sulphate, alum etc., beaker, spirit lamp, watch glass, plate, Petridis etc.
Activities/processes : Making crystals of easily available substances like urea, alum, copper sulphate etc. using supersaturated solutions and evaporation.

- Questions : The World of the Living
Surroundings affect the living
Why are nights cooler? How does having winters and summers affect soil? Are all soils similar? Can we make a pot with sand? Is soil similar when you dig into the ground? What happens to water when it falls on the cemented/ bare ground?
Key concepts : Climate, soil types, soil profile, absorption of water in soil, suitability for crops, adaptation of animals to different climates.
Resources : Data on earth, sun – size, distance etc., daily changes in temperature, humidity from the newspaper, sunrise, sunset etc.
Activities/processes : (Periods - 42) Graph for daily changes in temperature, day length, humidity etc.; texture of various soils by wetting and rolling; absorption / percolation of water in different soils, which soil can hold more water.

Questions : The breath of life
Why do we/animals breathe?
Do plants also breathe?
Do they also respire? How do plants/ animals live in water?
Key concepts : Respiration in plants and animals.
Resources : Lime water, germinating seeds, kit materials.
Activities/processes : Experiment to show plants and animals respire; rate of breathing; what do we breathe out? What do plants ‘breathe’ out? Respiration in seeds; heat release due to respiration. Anaerobic respiration, root respiration.

Questions : Movement of substances
How does water move in plants?
How is food transported in plants? Why do animals drink water?
Why do we sweat? Why and how is there blood in all parts of the body?
Why is blood red?
Do all animals have blood?
What is there in urine?
Key concepts : Herbs, shrubs, trees; Transport of food and water in plants; circulatory and excretion system in animals; sweating.
Resources : Twig, stain; improvised stethoscope; plastic bags, plants, egg, sugar, salt, starch, Benedicts solution, AgNO³ solution
Activities/processes : Translocation of water in stems, demonstration of transpiration, measurement of pulse rate, heartbeat; after exercise etc. Discussion on dialysis, importance; experiment on dialysis using egg membrane.

Questions : Multiplication in plants
Why are some plant parts like potato, onion swollen – are they of any use to the plants? What is the function of flowers?
How are fruits and seeds formed?
How are they dispersed?
Key concepts : Vegetative, asexual and sexual reproduction in plants, pollination - cross, self-pollination; pollinators, fertilization, fruit, seed.
Resources : Bryophyllum leaves, potato, onion etc.; yeast powder, sugar.
Activities/processes : Study of tuber, corm, bulb etc.; budding in yeast; T.S./ L.S. ovaries, w.m.pollen grains; comparison of wind pollinated and insect pollinated flowers; observing fruit and seed development in some plants; collection and discussion of fruits/seeds dispersed by different means.

- Questions : Moving Things, People and Ideas
Moving objects
Why do people feel the need to measure time? How do we know how fast something is moving?
Key concepts : Appreciation of idea of time and need to measure it. Measurement of time using periodic events. Idea of speed of moving objects – slow and fast motion along a straight line.
Resources : Daily-life experience; meter scale, wrist watch/ stop watch, string etc.
Activities/processes : (Periods - 16) Observing and analyzing motion (slow or fast) of common objects on land, in air, water and space. Measuring the distance covered by objects moving on a road in a given time and calculating their speeds. Plotting distance vs. time graphs for uniform motion. Measuring the time taken by moving objects to cover a given distance and calculating their speeds. Constancy of time period of a pendulum.

Questions : How Things Work
Electric current and circuits
How can we conveniently represent an electric circuit?
Why does a bulb get hot?
How does a fuse work? How does the current in a wire affect the direction of a compass needle?
What is an electromagnet?
How does an electric bell work?
Key concepts : Electric circuit symbols for different elements of circuit.
Heating effect of current.
Principle of fuse.
A current-carrying wire has an effect on a magnet.
A current-carrying coil behaves like a magnet. Working of an electric bell.
Resources : Recollection of earlier activities.
Pencil and paper. Cells, wire, bulb.
Cells, wire, bulb or LED, aluminum foil.
Wire, compass, battery.
Coil, battery, iron nail. Electric bell.
Activities/processes : Drawing circuit diagrams.
Activities to show the heating effect of electric current. Making a fuse.
Activity to show that a current-carrying wire has an effect on a magnet.
Making a simple electromagnet. Identifying situations in daily life where electromagnets are used.
Demonstration of working of an electric bell.

- Questions : Natural Phenomena
Rain, thunder and lightning
What causes storms? What are the effects of storms?
Why are roofs blown off?
Key concepts : High-speed winds and heavy rainfall have disastrous consequences for human and other life.
Resources : Experience; newspaper reports. Narratives/stories
Activities/processes : (Periods - 24) Making wind speed and wind direction indicators. Activity to show “lift” due to moving air. Discussion on effects of storms and possible safety measures.

Questions : Light
Can we see a source of light through a bent tube?
Key concepts : Rectilinear propagation of light
Resources : Rubber/plastic tube/ straw, any source of light.
Activities/processes : Observation of the source of light through a straight tube, a bent tube.

Questions : How can we throw sunlight on a wall?
Key concepts : Reflection, certain surfaces reflect light.
Resources : Glass/metal sheet/metal foil, white paper.
Activities/processes : Observing reflection of light on wall or white paper screen

Questions : What things give images that are magnified or diminished in size?
Key concepts : Real and virtual images.
Resources : Convex/concave lenses and mirrors.
Activities/processes : Open ended activities allowing children to explore images made by different objects, and recording observations. Focused discussions on real and virtual images

Questions : How can we make a colored disc appear white?
Key concepts : White light is composed of many colors.
Resources : Newton’s disc.
Activities/processes : Making the disc and rotating it.

- Questions : Natural Resources
Scarcity of water Where and how do you get water for your domestic needs?
Is it enough?
Is there enough water for agricultural needs? What happens to plants when there is not enough water for plants?
Where does a plant go when it dies?
Key concepts : Water exists in various forms in nature. Scarcity of water and its effect on life.
Resources : Experience; media reports; case material.
Activities/processes : Discussions.
Case study of people living in conditions of extreme scarcity of water, how they use water in a judicious way.
Projects exploring various kinds of water resources that exist in nature in different regions in India; variations of water availability in different regions.

Questions : Forest products
What are the products we get from forests? Do other animals also benefit from forests? What will happen if forests disappear?
Key concepts : Interdependence of plants and animals in forests. Forests contribute to purification of air and water.
Resources : Case material on forests.
Activities/processes : Case study of forests.

Questions : Waste Management
Where does dirty water from your house go?
Have you seen a drain? Does the water stand in it sometimes?
Does this have any harmful effect?
Key concepts : Sewage; need for drainage/sewer systems that are closed.
Resources : Observation and experience; photographs.
Activities/processes : Survey of the neighborhood, identifying locations with open drains, stagnant water, and possible contamination of ground water by sewage. Tracing the route of sewage in your building, and trying to understand whether there are any problems in sewage disposal.

CBSE 10 Year Papers class 7 Science

Old question papers of last 10 years for class 7 Science download as PDF from myCBSEguide, the best app for CBSE students. CBSE class 7 annual papers of last 5 years solved for Science 7 annual exams download free. CBSE annual question papers for class 7th Science with answers 2018 and 2019 are conducted by central annual of secondary education, New Delhi in the month of March and April. Plus Two CBSE Science Question Papers of CBSE annual exams with latest marking scheme and revised blue print is something each and every child should go through and practice regularly for better results in annual exams.

CBSE previous year question papers class 7 solved

CBSE annual exam question papers class 7 with answers and complete solution for the year 2005 to 2022 are available for free download.

Class 7 Science Question Papers and syllabus

CBSE class 7 Science have following chapters. Questions are asked from these chapters. CBSE schools are advised to follow NCERT text books. Here is the list of chapters in class 7th Science.

Class 7 Science List of Chapters NCERT Book

• Nutrition in Plants
• Nutrition in Animals
• Fibre To Fabric
• Heat
• Acids Bases And Salts
• Physical And Chemical Changes
• Climate
• Winds Storms And Cyclones
• Soil
• Respiration In Organisms
• Transportation in Animals And Plants
• Reproduction In Plants
• Motion And Time
• Electric Current And Its Effects
• Light
• Water
• Forests: Our Lifeline
• Waste Water Story

CBSE Science Question Paper General Instructions

Time allowed: 2 hours
Maximum Marks: 45 marks

General Instructions:

• All Questions are compulsory.
• Questions 1 to 5 are multiple choice questions and carry 1 marks each. Choose the appropriate option and write the answer in the answer sheet.
• Questions 6 to 10 carry 1 marks each and must be answered in 1 or 2 sentence..
• Questions 11 to 19 carry 2 marks each and mist be answered in 2 or 3 sentences.
• Questions 20 to 23 carry 3 marks each and must be answered in 5 or 6 sentences each.
• Question 24 carries 5 marks and must be answered in 7 or 8 sentences each.

CBSE Question Papers for Class 7

CBSE question papers 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005 and so on for all the subjects are available under this download link. Practicing real question paper certainly helps students to get confidence and improve performance in weak areas.

• CBSE Question Papers for Class 7 Science
• CBSE Question Papers for Class 7 Social Science
• CBSE Question Papers for Class 7 Mathematics
• CBSE Question Papers for Class 7 English
• CBSE Question Papers for Class 7 Hindi
• Other Subjects

To download previous year question papers for Class 7 Mathematics, Science, Social Science, English, Hindi and Other Subjects; do check myCBSEguide app or website. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess papers and CBSE important question papers. Sample Paper all are made available through the best app for CBSE students and myCBSEguide website.