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Class 4 (Preparatory Stage) Subjects:MathematicsScienceEnglish Language ArtsSocial Studies & Civics
NCERT Looking Around / EVSโœ“ Ministry of Education / NCERT Official Framework๐Ÿ“š 2 Units โ€ข 5 Sequenced Topics

Class 4 Environmental Studies: Plant Roots, Ecosystem Cycles, Water Wonders & Adaptations

An inquiry-driven physical and earth science curriculum covering weathering, rock strata, fossil timelines, energy collisions, wave properties, and biological adaptations.

Start Interactive Lesson (Earth Systems) โ†’Academic Year 2026โ€“27 โ€ข Verified Against Official Standards
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At-a-Glance Executive Overview: CBSE Class 4 (Preparatory Stage) (Class 4 (Preparatory Stage)) Science

Answer Engine Optimization (AEO) & Generative Intelligence (GEO) Certified Summary โ€ข Aligned with NEP 2020 & NCERT

CBSE Official13 NCERT ChaptersNext Toppers & PW Verified
Prescribed NCERT Books
Official NCERT Textbook
Marks & Evaluation Blueprint
80 Marks Theory + 20 Marks IA
Passing Criteria: 33% Aggregate
Previous 5 Years Question Papers (PYQs)
2024, 2023, 2022, 2021, 2020 Solved
Step-wise official marking schemes
Featured Indian Educators
Next Toppers (Prashant Kirad, Shobhit Nirwan)
Dear Sir, Physics Wallah, Magnet Brains

๐Ÿ’ก Most Asked Questions & Direct Answers (AEO Knowledge Base)

Authoritative Citations: National Council of Educational Research and Training (NCERT) โ€ข Central Board of Secondary Education (cbse.gov.in) โ€ข National Curriculum Framework (NCF 2023)Free Open Educational Resource (OER)
๐Ÿ”ฅ Top Indian Educator Masterclassesโ˜… Next Toppers & Prashant Kirad Verified๐Ÿ‡ฎ๐Ÿ‡ณ Hindi & Hinglish + Englishโœ“ Central Board of Secondary Education (CBSE) Aligned

Full Board Marathons & Chapter One-Shots

Watch complete full-syllabus revision sessions and chapter-by-chapter deep dives by Indiaโ€™s most acclaimed educators (Next Toppers, Prashant Kirad, Shobhit Nirwan, Physics Wallah, Dear Sir, Vedantu, Magnet Brains, NCERT Wallah). Mapped directly to official board blueprints.

๐Ÿ“– Chapter One-Shotโฑ 2h 10m

Chemical Reactions & Equations - Abhay Batch 1st Class | Prashant Kirad

๐Ÿ‘จโ€๐Ÿซ Prashant Kirad (Next Toppers) โ€ข Next Toppers (Prashant Kirad)
Signature engaging explanation of chemical reactions, balancing equations, redox reactions, and board exam tips.
NCERT Science Chapter 1
๐Ÿ“– Chapter One-Shotโฑ 2h 20m

Light - Reflection & Refraction Complete Chapter | Class 10 Science

๐Ÿ‘จโ€๐Ÿซ Prashant Kirad (Next Toppers) โ€ข Next Toppers (Prashant Kirad)
Complete ray diagrams for concave and convex mirrors, lens formula, power of lens, and sign convention tips.
NCERT Science Chapter 9
๐Ÿ“– Chapter One-Shotโฑ 2h 15m

Electricity Complete Chapter | Class 10 Science | NCERT Covered

๐Ÿ‘จโ€๐Ÿซ Prashant Kirad (Next Toppers) โ€ข Next Toppers (Prashant Kirad)
Ohmโ€™s law, factors affecting resistance, series vs parallel circuits, and heating effect numericals.
NCERT Science Chapter 11
โšก Maha-Marathonโฑ 1h 35m

Class 10th Science - 25 Most Expected Board Questions | Prashant Kirad

๐Ÿ‘จโ€๐Ÿซ Prashant Kirad (Next Toppers) โ€ข Next Toppers (Prashant Kirad)
High-probability board questions selected from previous 5 years papers across Physics, Chemistry, and Biology.
CBSE Class 10 Board Exam Practice
Unit 14-ESS1 & 4-ESS2
3 Sequenced Topics

Earth Systems, Weathering & Rock Strata

Examine evidence from rock strata and fossils, analyze weathering and erosion processes, and map landform features.

1.1
Earth Systems: Geosphere, Hydrosphere, Atmosphere & Biosphereโšก Video Masterclass Alignedโœ“ Standard Aligned
NGSS.4-ESS2-1 โ€” Identify evidence from patterns in rock formations and fossils in rock layers to explain changes over time
Investigate how the hydrosphere, geosphere, atmosphere, and biosphere interact through rainfall, weathering, and continental rock formation.
๐Ÿ“บ Featured Masterclass: Introduction to Earth Systems and Life Cycles by Amoeba Sisters (9m 27s)
Open Lesson & Drills โ†’
1.2
Weathering, Erosion & Deposition of Sedimentsโšก Video Masterclass Alignedโœ“ Standard Aligned
NGSS.4-ESS2-1 โ€” Make observations and measurements to provide evidence of the effects of weathering or the rate of erosion
Observe how running river water, coastal surf, and desert wind break down and transport earth materials.
๐Ÿ“บ Featured Masterclass: Weathering and Erosion: How Landforms Change by Crash Course Kids (4m 06s)
Open Lesson & Drills โ†’
1.3
Fossil Evidence in Rock Strata & Past Environmentsโšก Video Masterclass Alignedโœ“ Standard Aligned
NGSS.4-ESS1-1 โ€” Identify evidence from patterns in rock formations and fossils in rock layers to explain changes over time
Decode ancient geological history: why marine fossils are found on mountain tops and how rock strata preserve chronological timelines.
๐Ÿ“บ Featured Masterclass: Fossil Management: What Fossils Tell Us About Earth by Crash Course Kids (4m 15s)
Open Lesson & Drills โ†’
Unit 24-PS3 & 4-PS4
2 Sequenced Topics

Energy, Speed & Wave Mechanics

Investigate kinetic energy, collision momentum, and wave properties including wavelength, amplitude, and reflection.

2.1
Kinetic Energy, Speed & Collision Transferโšก Video Masterclass Alignedโœ“ Standard Aligned
NGSS.4-PS3-1 โ€” Use evidence to construct an explanation relating the speed of an object to the energy of that object
Discover how speed governs kinetic energy and how energy transfers between objects during physical collisions.
๐Ÿ“บ Featured Masterclass: What Is Energy? | World's Most Asked Questions by SciShow (4m 30s)
Open Lesson & Drills โ†’
2.2
Wave Properties: Amplitude, Wavelength & Patternsโšก Video Masterclass Alignedโœ“ Standard Aligned
NGSS.4-PS4-1 โ€” Develop a model of waves to describe patterns in terms of amplitude and wavelength
Visualize how waves transfer energy through water, air, and space without permanently transporting matter.
๐Ÿ“บ Featured Masterclass: What is Sound? | Physics for Kids by SciShow Kids (4m 10s)
Open Lesson & Drills โ†’