Solar system grade 4
Download as PPTX, PDF9 likes23,252 views
This document provides information about the solar system. It discusses the sun as the central star that provides energy for life on Earth through photosynthesis. It then describes the eight planets - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune - including their orbits, physical characteristics, and some having moons. It also briefly mentions dwarf planets, asteroids, comets, and meteors. The document aims to teach about the components and basic workings of our solar system.
More Related Content
Similar to Solar system grade 4 (20)
More from Kim Karell Bulos (20)
Solar system grade 4
- 1. Solar System
- 2. Aliens?
- 4. Solar System
- 5. Sun • Sun is a star. A star is a body in space that gives off light of its own.
- 6. Sun is the main source of all forms of energy that we use. • Solar energy is very important to life on earth.
- 8. Green Plants manufactured food using the sun’s energy.
- 9. Animals and Humans needs plants for food.
- 10. Water from the land evaporates because of Solar Energy.
- 11. The sun is 109 larger than the earth. • Largest star ever discovered, compared to our Sun.mp4
- 12. 3 parts (atmosphere) 1. Corona – outermost part of the sun. 2. Chromospheres – pinkish-violet layer. 5,000km from the surface of the sun. 3. Photosphere – surface of the sun. It is the main source of the sun’s radiation. 6,000 deg. Celsius.
- 13. Sun is made up of hot gases.
- 14. ..hp usbkim educastronomystellarHow stars are formed and born.mp4
- 15. Stars at Night
- 16. 8 Planets kim lessopn plansolar system song.mp4
- 17. Mercury • Smaller planet than the Earth. • Goes around the sun in 88 days. • It has no moon. • Life is not possible to this planet.
- 18. Venus • slightly smaller than the earth. • It revolves around the sun once in 225 days. • it has no moon. • This planet is covered with a dense, white, cloudy atmosphere. • This atmosphere reflects sunlight’s, which makes brighter than any planet.
- 19. Earth • it is oblate spheroid. • Earth revolves around the sun once every 365 ¼ days. • It rotates on its axis from west to east in every 24 hours. • Earth is the only planet known to have living things (is the planet we live in)
- 20. Earth’s Atmosphere • The envelope of air surrounding Earth. • Protects living things from the harmful radiation of the sun.
- 21. Earth’s Moon • C:UsersPCDesktop kim lessopn planIf the Moon were replaced with some of our planets.mp4
- 22. Why the Earth is Special? 1. Most of the earth surface is covered with water in liquid form. 2. Atmosphere is composed of about 21% oxygen and 78% nitrogen. 3. Life exists on earth. Availability of resources such as water, oxygen, and food on earth.
- 23. Mars • it orbits the sun once in 687 days. • Red planet – its soil is rich in iron which is reddish. • Atmosphere is thinner than that earth.
- 24. Two satellites (moon) Deimos (outer satellite) Phobos (inner satellite)
- 25. Jupiter • Largest planet • it revolves around the sun once in about 12 years. 146 deg. Celsius its surface temperature. • Have a ring which is barely visible and no solid surface.
- 26. Great Red Spot • Most famous feature on the surface of this planet, found on Jupiter’s “hurricane belt” It is a huge and violent storm (scientists).
- 27. 4 (29) largest moons of Jupiter • First observed by Galileo in 1610
- 28. Saturn • known as the most beautiful of all the planets because of its ring. • It revolves around the sun once in about 30 years.
- 29. Saturn’s Ring • Saturn’s ring (ice-coated rocks)
- 30. 22 satellites (moon) • Titan (largest)
- 31. Uranus • four times larger than the earth (giant planet) • Revolves around the sun in about 84 years. • Methane atmosphere made of which gives its blue green color. • Cold planet with 210 deg. Celsius.
- 32. 15 moons (5 major moons) 1. Miranda 2. Ariel 3. Umbriel 4. Titania 5. Oberon
- 33. Neptune • revolves around the sun in 165 days in an almost circular orbit. • Also a windiest planet moves eastward 2,000kph. • Uranus twin because of the same size and is a cold planet.
- 34. 2 of 13 satellites of Neptunes are: 1.Triton 2.Nereid
- 35. Song for solar System • C:UsersPCDesktopkim lessopn plansolar system song.mp4
- 36. Dwarf Planets
- 37. Asteroids
- 38. Comets
- 39. Meteors