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Online test for Class 8 Science

Twenty-eight questions span the entire Class 8 year rather than one chapter, because what counts in March is not whether cells were understood in July but whether understanding persists when combined with force, light and pollution. Each question shows its method after answering. On the final screen, the chapters for further study are identified.

  • 28 questions, marked instantly
  • Every answer comes with the reasoning
  • Ends by naming what to revise
  • Nothing stored, no account, no email

What this test covers

  • Crop production and management
  • Microorganisms - friend and foe
  • Synthetic fibres and plastics
  • Materials - metals and non-metals
  • Coal and petroleum
  • Combustion and flame
  • Conservation of plants and animals
  • Cell - structure and functions
  • Reproduction in animals
  • Reaching the age of adolescence
  • Force and pressure
  • Friction
  • Sound
  • Chemical effects of electric current
  • Some natural phenomena
  • Light
  • Stars and the solar system
  • Pollution of air and water
Ready when you are

20 questions, marked as you go

Drawn fresh from a bank of 28, so another go is mostly different questions. Every one explains its method after you answer, and the last screen names the chapters to revise.

Questions

20

Minutes

~15

Marking

Instant

Sign-up

None

How many questions?
How should it run?

How to read the result

Every question in this test

The whole paper, grouped by chapter, so you can see the level before anyone sits it. Three are shown below and the rest open up.

28 questions · 16 chapters

8 shown here - the rest are in the test and the PDF

  • Crop production and management2
  • Microorganisms - friend and foe2
  • Synthetic fibres and plastics1
  • Materials - metals and non-metals2
  • Coal and petroleum2
  • Combustion and flame2
  • Conservation of plants and animals2
  • Cell - structure and functions3
  • Reproduction in animals2
  • Reaching the age of adolescence1
  • Force and pressure2
  • Friction2
  • Sound2
  • Chemical effects of electric current1
  • Some natural phenomena1
  • Light1
  1. Question 1. Which of these is a kharif crop, sown with the monsoon?

    • Paddy
    • Gram
    • Wheat
    • Mustard
  2. Question 2. What is the removal of unwanted plants growing along with the main crop called?

    • Irrigation
    • Weeding
    • Threshing
    • Harvesting
  3. Question 3. Which microorganism is used to make bread rise?

    • Yeast
    • Protozoa
    • Bacteria
    • Virus
Show 5 more
  1. Question 4. A vaccine works mainly by

    • curing a disease after symptoms appear
    • helping the body build immunity against a specific disease
    • killing all microbes in the body instantly
    • replacing damaged cells
  2. Question 5. Which synthetic fibre is commonly used to make ropes and parachutes because of its strength?

    • Cotton
    • Jute
    • Nylon
    • Wool
  3. Question 6. The property of metals that makes them produce a ringing sound when struck is called

    • malleability
    • ductility
    • conductivity
    • sonorousness
  4. Question 7. Which non-metal is a good conductor of electricity, unlike most non-metals?

    • Iodine
    • Graphite
    • Phosphorus
    • Sulphur
  5. Question 8. Coal and petroleum are called fossil fuels because they

    • were formed from the remains of dead plants and animals over millions of years
    • are made in factories from fossils
    • are found only near fossils
    • burn without producing any smoke

Want all 28 on paper?

The PDF has every question, with the answer key on its own last page so you can hold it back and mark the work yourself.

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Class 8 Science test - common questions

Is this Class 8 science online test free?

Entirely free with no registration required. There is no email address, account creation or password needed. Your test occurs within the browser with zero data retention - the score appears on your screen only and vanishes when you close the tab, which our privacy terms guarantee rather than asking for your faith.

Which syllabus does it follow?

Class 8 NCERT Science serves as the curriculum for CBSE schools and closely parallels most state board materials at this level. ICSE schools cover identical content but with an earlier and more detailed approach to physics chapters, making this test still valuable for ICSE students. However, an ICSE learner might find one or two questions appearing a term before they encounter them in their textbook.

Is there a timer?

Timing is optional and switched off initially. The first attempt should reveal what the child understands, not their working speed when observed. An unfamiliar test with a timer measures anxiety alongside science knowledge. The timed setting allows approximately one minute per question, which matches typical examination speed for this age group.

Can my child take it more than once?

As many times as desired. The test draws questions from a pool, and each attempt shuffles both the sequence of questions and the positions of the answer choices. This means a child cannot pass by simply recalling which position held the correct answer before. Taking the test again after a week reveals far more about progress than sitting it again the same evening.

How is this different from your Class 8 science worksheets?

Worksheets explore a single chapter deeply using paper and require marking by you; these tests mark on their own. Each serves a distinct purpose - a test reveals where understanding breaks down, and a worksheet repairs it. The majority of families discover more value in ten minutes of this than in sixty minutes drilling a chapter that was never the difficulty.

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