❄️ Water freezes into ice, ice melts back — but it is always water! Physical Changes keep a substance identity the same. CBSE Class 7 Science, Topic 43/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERT
August 3, 2026 at 12:37 PM
❄️ Water freezes into ice, ice melts back — but it is always water! Physical Changes keep a substance identity the same. CBSE Class 7 Science, Topic 43/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERT
Ever wondered why wool keeps you warm but pan handles stay cool? This is heat transfer in action — hiding in your closet, kitchen, and living room... CBSE Class 7 Science, Topic 72/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #HeatTransfer
August 27, 2026 at 5:37 AM
Ever wondered why wool keeps you warm but pan handles stay cool? This is heat transfer in action — hiding in your closet, kitchen, and living room... CBSE Class 7 Science, Topic 72/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #HeatTransfer
Ever wondered why a sea breeze cools your face at sunset? It's convection currents at work — the invisible force behind heat transfer in liquids, gases, and even Earth's a... CBSE Class 7 Science, Topic 69/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
August 26, 2026 at 4:08 PM
Ever wondered why a sea breeze cools your face at sunset? It's convection currents at work — the invisible force behind heat transfer in liquids, gases, and even Earth's a... CBSE Class 7 Science, Topic 69/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
Ever wondered how warmth travels from your cup of tea to your fingers, or from the sun to your skin? This is heat transfer—the invisible journey of warmth that powers every... CBSE Class 7 Science, Topic 65/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #HeatTransfer
August 26, 2026 at 10:46 AM
Ever wondered how warmth travels from your cup of tea to your fingers, or from the sun to your skin? This is heat transfer—the invisible journey of warmth that powers every... CBSE Class 7 Science, Topic 65/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #HeatTransfer
Ever wondered why soap feels slippery on your hands? That slippery feel is a base at work — today we uncover the chemistry behind it! CBSE Class 7 Science, Topic 10/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #AcidsBasesSalts
September 8, 2026 at 11:22 AM
Ever wondered why soap feels slippery on your hands? That slippery feel is a base at work — today we uncover the chemistry behind it! CBSE Class 7 Science, Topic 10/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #AcidsBasesSalts
Ever wondered where that plastic wrapper really ends up, or why rivers turn dirty? Discover how scientific thinking helps solve real environmental problems — straight from y... CBSE Class 7 Science, Topic 7/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
September 8, 2026 at 9:48 AM
Ever wondered where that plastic wrapper really ends up, or why rivers turn dirty? Discover how scientific thinking helps solve real environmental problems — straight from y... CBSE Class 7 Science, Topic 7/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
Can burnt paper turn back into paper? Can melted ice become ice again? This one concept explains why some changes can be undone and others can never be reversed... CBSE Class 7 Science, Topic 6/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
September 8, 2026 at 9:12 AM
Can burnt paper turn back into paper? Can melted ice become ice again? This one concept explains why some changes can be undone and others can never be reversed... CBSE Class 7 Science, Topic 6/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
Ever wondered why a steel spoon feels cold but a wooden spoon doesn't? 🤔 This one-concept video breaks down the properties of materials for CBSE Class 7 Science... CBSE Class 7 Science, Topic 5/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
September 8, 2026 at 8:40 AM
Ever wondered why a steel spoon feels cold but a wooden spoon doesn't? 🤔 This one-concept video breaks down the properties of materials for CBSE Class 7 Science... CBSE Class 7 Science, Topic 5/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
Ever wondered how a scientist notices things ordinary people miss? This video reveals how careful observation uncovers hidden patterns in everyday life — a key foundation con... CBSE Class 7 Science, Topic 2/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
September 8, 2026 at 6:24 AM
Ever wondered how a scientist notices things ordinary people miss? This video reveals how careful observation uncovers hidden patterns in everyday life — a key foundation con... CBSE Class 7 Science, Topic 2/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
Ever wondered how a candle's flame compares to the energy hidden inside your own body? Respiration is the invisible fire that keeps every living cell alive... CBSE Class 7 Science, Topic 90/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #RespirationInOrganisms #Class7Science
August 30, 2026 at 9:36 AM
Ever wondered how a candle's flame compares to the energy hidden inside your own body? Respiration is the invisible fire that keeps every living cell alive... CBSE Class 7 Science, Topic 90/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #RespirationInOrganisms #Class7Science
Ever wondered how a speedometer instantly knows your car's speed, or how the odometer never forgets a single kilometre travelled? This video decodes both instruments in 6... CBSE Class 7 Science, Topic 88/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
August 30, 2026 at 7:08 AM
Ever wondered how a speedometer instantly knows your car's speed, or how the odometer never forgets a single kilometre travelled? This video decodes both instruments in 6... CBSE Class 7 Science, Topic 88/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
Ever wondered how a bite of apple becomes the energy for your next sprint? Follow the complete journey of food — from plate to power — in this one-concept CBSE Cl... CBSE Class 7 Science, Topic 89/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #NutritionAndDigestion #Class7Science
August 30, 2026 at 8:20 AM
Ever wondered how a bite of apple becomes the energy for your next sprint? Follow the complete journey of food — from plate to power — in this one-concept CBSE Cl... CBSE Class 7 Science, Topic 89/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #NutritionAndDigestion #Class7Science
Ever wondered how your speedometer's ups and downs turn into one 'average speed'? This 90-second concept video breaks down the exam-favourite topic from CBSE Class 7 Science... CBSE Class 7 Science, Topic 85/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #AverageSpeed
August 30, 2026 at 4:07 AM
Ever wondered how your speedometer's ups and downs turn into one 'average speed'? This 90-second concept video breaks down the exam-favourite topic from CBSE Class 7 Science... CBSE Class 7 Science, Topic 85/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #AverageSpeed
A train gliding past at a perfectly steady pace — that's uniform motion in action! In this one-concept video, we break down what makes motion "uniform" and why it's key... CBSE Class 7 Science, Topic 86/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #UniformMotion
August 30, 2026 at 4:54 AM
A train gliding past at a perfectly steady pace — that's uniform motion in action! In this one-concept video, we break down what makes motion "uniform" and why it's key... CBSE Class 7 Science, Topic 86/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #UniformMotion
Ever wondered how fast that car on the highway is really going? Speed is just distance divided by time — and once you get this formula, motion makes sense... CBSE Class 7 Science, Topic 83/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #SpeedDistanceTime
August 29, 2026 at 11:24 AM
Ever wondered how fast that car on the highway is really going? Speed is just distance divided by time — and once you get this formula, motion makes sense... CBSE Class 7 Science, Topic 83/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #SpeedDistanceTime
Ever wondered why a pendulum swings with such perfect rhythm? Discover the science behind one complete oscillation and why it changed timekeeping forever... CBSE Class 7 Science, Topic 80/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #TimePeriodOfPendulum
August 29, 2026 at 8:51 AM
Ever wondered why a pendulum swings with such perfect rhythm? Discover the science behind one complete oscillation and why it changed timekeeping forever... CBSE Class 7 Science, Topic 80/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #TimePeriodOfPendulum
Before clocks ticked, the sun, water, and sand told time — discover how ancient civilizations tracked the hours! CBSE Class 7 Science, Topic 77/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
August 29, 2026 at 7:43 AM
Before clocks ticked, the sun, water, and sand told time — discover how ancient civilizations tracked the hours! CBSE Class 7 Science, Topic 77/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
How do we measure a hundredth of a second? From sundials to atomic clocks, discover the science behind modern timekeeping in this Class 7 Science concept video! CBSE Class 7 Science, Topic 81/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
August 29, 2026 at 9:34 AM
How do we measure a hundredth of a second? From sundials to atomic clocks, discover the science behind modern timekeeping in this Class 7 Science concept video! CBSE Class 7 Science, Topic 81/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
Before digital clocks, ancient civilizations tracked time using shadows, dripping water, and falling sand — and understanding these devices is a favorite CBSE Class 7 Sc... CBSE Class 7 Science, Topic 78/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7Science #NCERT #Class7Science
August 29, 2026 at 7:46 AM
Before digital clocks, ancient civilizations tracked time using shadows, dripping water, and falling sand — and understanding these devices is a favorite CBSE Class 7 Sc... CBSE Class 7 Science, Topic 78/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7Science #NCERT #Class7Science
A train blurs past in seconds, a cyclist takes minutes for the same road — what actually makes one 'fast' and one 'slow'? Today's concept breaks down Speed in a way even PYQ... CBSE Class 7 Science, Topic 82/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
August 29, 2026 at 10:27 AM
A train blurs past in seconds, a cyclist takes minutes for the same road — what actually makes one 'fast' and one 'slow'? Today's concept breaks down Speed in a way even PYQ... CBSE Class 7 Science, Topic 82/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
Ever wondered why a swinging chandelier changed how the world tells time? Discover how Galileo's simple observation of pendulum motion led to the first accurate clocks... CBSE Class 7 Science, Topic 79/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #PendulumMotion #Class7Science
August 29, 2026 at 8:08 AM
Ever wondered why a swinging chandelier changed how the world tells time? Discover how Galileo's simple observation of pendulum motion led to the first accurate clocks... CBSE Class 7 Science, Topic 79/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #PendulumMotion #Class7Science
Imagine turning on the tap and hearing nothing but silence — water scarcity is real, and this concept explains how we can prevent it... CBSE Class 7 Science, Topic 76/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #WaterConservation
August 29, 2026 at 5:21 AM
Imagine turning on the tap and hearing nothing but silence — water scarcity is real, and this concept explains how we can prevent it... CBSE Class 7 Science, Topic 76/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #WaterConservation
Ever wondered why lake water mysteriously drops on a hot day? It's not magic — it's the water cycle, Earth's great conveyor belt of moisture! CBSE Class 7 Science, Topic 74/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #WaterCycle #Class7Science
August 29, 2026 at 3:45 AM
Ever wondered why lake water mysteriously drops on a hot day? It's not magic — it's the water cycle, Earth's great conveyor belt of moisture! CBSE Class 7 Science, Topic 74/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #WaterCycle #Class7Science
Ever wonder why sweat makes you feel cooler, not hotter? The answer lies in one powerful science concept: evaporation and heat loss... CBSE Class 7 Science, Topic 73/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
August 27, 2026 at 7:02 AM
Ever wonder why sweat makes you feel cooler, not hotter? The answer lies in one powerful science concept: evaporation and heat loss... CBSE Class 7 Science, Topic 73/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #NCERTScience
Ever wondered why the beach breeze flips direction from day to night? Land and sea breezes are nature's daily proof of unequal heating in action! CBSE Class 7 Science, Topic 71/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #LandAndSeaBreeze
August 27, 2026 at 4:41 AM
Ever wondered why the beach breeze flips direction from day to night? Land and sea breezes are nature's daily proof of unequal heating in action! CBSE Class 7 Science, Topic 71/90. Full video on our Grade Galaxy YouTube channel. #CBSEClass7 #Class7Science #LandAndSeaBreeze