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PPT: The Solar System
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Page 1 THE SOLAR SYSTEM Page 2 THE SOLAR SYSTEM O B J E C T I V E S D e s c r i b e t h e S o l a r S y s t e m . E x p l a i n h o w t h e s o l a r s y s t e m f o r m e d . D e s c r i b e t h e S u n , t h e e i g h t p l a n e t s , a n d t h e s p a c e r o c k s . Page 3 THE SOLAR SYSTEM O B J E C T I V E S D e s c r i b e t h e S o l a r S y s t e m . E x p l a i n h o w t h e s o l a r s y s t e m f o r m e d . D e s c r i b e t h e S u n , t h e e i g h t p l a n e t s , a n d t h e s p a c e r o c k s . I N T R O D U C T I O N T h e s o l a r s y s t e m i s m a d e u p o f t h e S u n a n d e v e r y t h i n g t h a t o r b i t s o r m o v e s a r o u n d i t . T h i s i n c l u d e s t h e p l a n e t s , m o o n s , d w a r f p l a n e t s , a n d s p a c e r o c k s ( c o m e t s , m e t e o r s , a n d a s t e r o i d s ) . Page 4 THE SOLAR SYSTEM O B J E C T I V E S D e s c r i b e t h e S o l a r S y s t e m . E x p l a i n h o w t h e s o l a r s y s t e m f o r m e d . D e s c r i b e t h e S u n , t h e e i g h t p l a n e t s , a n d t h e s p a c e r o c k s . I N T R O D U C T I O N T h e s o l a r s y s t e m i s m a d e u p o f t h e S u n a n d e v e r y t h i n g t h a t o r b i t s o r m o v e s a r o u n d i t . T h i s i n c l u d e s t h e p l a n e t s , m o o n s , d w a r f p l a n e t s , a n d s p a c e r o c k s ( c o m e t s , m e t e o r s , a n d a s t e r o i d s ) . HOW DID THE SOLAR SYSTEM FORM? S c i e n t i s t s b e l i e v e t h a t t h e s o l a r s y s t e m f o r m e d a b o u t 4 . 6 b i l l i o n y e a r s a g o . F i r s t , t h e S u n w a s b o r n f r o m a s p i n n i n g c l o u d o f d u s t a n d h o t g a s e s . N e x t , t h e r o c k s , d u s t , a n d g a s p a r t i c l e s t h a t o r b i t a r o u n d t h e S u n f o r m e d t h e p l a n e t s . T h e l e f t o v e r m a t e r i a l s s t u c k t o g e t h e r a n d b e c a m e c o m e t s , a s t e r o i d s , a n d m e t e o r s . Page 5 THE SOLAR SYSTEM O B J E C T I V E S D e s c r i b e t h e S o l a r S y s t e m . E x p l a i n h o w t h e s o l a r s y s t e m f o r m e d . D e s c r i b e t h e S u n , t h e e i g h t p l a n e t s , a n d t h e s p a c e r o c k s . I N T R O D U C T I O N T h e s o l a r s y s t e m i s m a d e u p o f t h e S u n a n d e v e r y t h i n g t h a t o r b i t s o r m o v e s a r o u n d i t . T h i s i n c l u d e s t h e p l a n e t s , m o o n s , d w a r f p l a n e t s , a n d s p a c e r o c k s ( c o m e t s , m e t e o r s , a n d a s t e r o i d s ) . HOW DID THE SOLAR SYSTEM FORM? S c i e n t i s t s b e l i e v e t h a t t h e s o l a r s y s t e m f o r m e d a b o u t 4 . 6 b i l l i o n y e a r s a g o . F i r s t , t h e S u n w a s b o r n f r o m a s p i n n i n g c l o u d o f d u s t a n d h o t g a s e s . N e x t , t h e r o c k s , d u s t , a n d g a s p a r t i c l e s t h a t o r b i t a r o u n d t h e S u n f o r m e d t h e p l a n e t s . T h e l e f t o v e r m a t e r i a l s s t u c k t o g e t h e r a n d b e c a m e c o m e t s , a s t e r o i d s , a n d m e t e o r s . THE SUN T h e S u n i s t h e c e n t e r o f t h e S o l a r S y s t e m a n d i s c o m p o s e d m o s t l y o f h y d r o g e n a n d h e l i u m . I t i s t h e s o u r c e o f t h e e n e r g y w h i c h m a k e s l i f e o n E a r t h p o s s i b l e . T h e e i g h t p l a n e t s o r b i t a r o u n d t h e S u n i n e l l i p t i c a l o r b i t s .Read More
FAQs on PPT: The Solar System
| 1. What are the eight planets in our solar system and how far are they from the Sun? |  |
Ans. The eight planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Mercury is closest at 58 million km, while Neptune is farthest at 4.5 billion km. Each planet orbits in an elliptical path and has unique characteristics like size, atmosphere, and temperature that determine its position in the solar system structure.
| 2. Why does the Moon orbit Earth and not float away into space? | |
Ans. The Moon orbits Earth because of gravitational pull-Earth's massive gravity constantly attracts the Moon towards itself. The Moon's velocity keeps it moving forward, while gravity pulls it inward, creating a stable circular orbit. This balance between gravitational force and orbital motion keeps the Moon circling Earth every 27.3 days without escaping into outer space.
| 3. What's the difference between a planet and a dwarf planet like Pluto? | |
Ans. Planets are large, spherical celestial bodies that orbit the Sun and have cleared their orbital path of debris, while dwarf planets like Pluto are smaller objects that haven't cleared their orbits. Pluto was reclassified as a dwarf planet in 2006 because it shares its orbital zone with other icy bodies. The key distinction lies in size, gravitational dominance, and orbital characteristics within the solar system structure.
| 4. How do we know the order and distance of planets if they're so far away? | |
Ans. Astronomers use telescopes, spacecraft, and mathematical calculations to measure planetary distances and positions. Techniques include parallax (measuring shifts in position), radio signals from satellites, and spectroscopy to analyse light from planets. These observations allow scientists to map the entire solar system accurately. Students can explore these methods through PPTs and mind maps on EduRev for clearer visual understanding.
| 5. What causes day and night, and why do seasons change throughout the year? | |
Ans. Day and night occur because Earth rotates on its tilted axis every 24 hours-the side facing the Sun experiences day while the opposite side is in darkness. Seasons change due to Earth's tilted axis (23.5 degrees) during its annual orbit around the Sun. When your hemisphere tilts towards the Sun, you get summer; when tilted away, you experience winter, creating seasonal variations.
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Apr 20, 2026 Last updated
Document Description: PPT: The Solar System for Class 4 2026 is part of Science for Class 4 preparation. The notes and questions for PPT: The Solar System have been prepared according to the Class 4 exam syllabus. Information about PPT: The Solar System covers topics like and PPT: The Solar System Example, for Class 4 2026 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for PPT: The Solar System.
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PPT: The Solar System of Science - covers important aspects of the topic & is important for the Class 4 exam. Download the presentation on EduRev.
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