Презентация к уроку Солнечная система 8 класс

It is a huge group of stars and planets. It is a space and everything that exist in it. It is a place far above the Earth where there is no air. It is a rocket or other vehicle that can travel in space. It is a large, round object that goes round a star. It is the Sun together with the planets going round it.

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1.Who was the first man to fly into space? 2.Who was the first woman to fly into space? 3.Who was the first astronaut to walk on the Moon? 4.How many planets are there in the Solar System?

Uranus Jupiter Venus Neptune Earth Saturn Mars Mercury

What is Solar System The Sun, its planets and all the objects moving around them are called the Solar System. The Solar System is entirely dependent on the Sun which has its own light. Rest of the planets reflect the light received from the Sun www.makemegenius.com Free Science Videos for Kids

It is the source of all energy for life on the Earth. About three quarters of the its mass consists of hydrogen, while the rest is mostly helium. On its surface ,there are dark patches known as sunspots. These are patches of gas that looks dark since they are cooler than their surroundings. Sun –Star of the Solar System www.makemegenius.com Free Science Videos for Kids

Sun –Star of the Solar System It ‘s the heaviest among solar system It is a ball of hot burning gases. It is the nearest star to the earth. The light from the Sun takes appx. 8 minutes to reach the Earth. www.makemegenius.com Free Science Videos for Kids

It orbits the Sun once in about 365 days. It rotates about its own axis, thus creating day & night. It takes 24 hours to do that. It revolves around sun, due to its tilt ,seasons are created. The Moon is the only satellite of it. Earth –The Blue Planet www.makemegenius.com Free Science Videos for Kids

Earth –The Blue Planet It is also known as watery planet, because 70% of its surface is covered by water. The earth’s atmosphere scatters the light & creates a blue effect, so it is also called Blue Planet.. The only planet having life . www.makemegenius.com Free Science Videos for Kids

It is the smallest. It does not have any satellite. There is no water or atmosphere. It can be seen with naked eyes. It orbits the Sun once in about 88 days There are no seasons on its surface Mercury –The Innermost Planet www.makemegenius.com Free Science Videos for Kids

Mercury –The Innermost Planet It is named after messenger of the Roman gods It is the closest planet to the Sun Large variations in day (400 degree C) & night (-180 degree C) time temperatures. www.makemegenius.com Free Science Videos for Kids

Venus –The Veiled Planet It is also known as the Morning Star or Evening Star. It is the brightest & hottest planet. It is named after Roman goddess of love & beauty . www.makemegenius.com Free Science Videos for Kids

Moon –The Earth’s Only Satellite Its diameter is only 1/4th of the Earth It looks bigger as it is very close to us. There is no water on its surface. Its gravity is 1/6th of Earth, so your weight would be 1/6th of your weight on the earth. www.makemegenius.com Free Science Videos for Kids

Saturn –The Jewel Planet It is the sixth planet from the Sun and the second largest planet in the Solar System, after Jupiter. It is named after the Roman god Saturn It is classified as a gas giant planet It is the most beautiful planet in solar system because of its spectacular rings www.makemegenius.com Free Science Videos for Kids

Mars –The Red Planet It is named after the Roman god of war. It is often described as the Red Planet, as the iron oxide prevalent on its surface gives it a reddish appearance www.makemegenius.com Free Science Videos for Kids

Uranus –A planet on its It appears to lie on its side. It is named after the Roman god of the sky. It has 27 known satellites It is a very cold planet. Side www.makemegenius.com Free Science Videos for Kids

Jupiter –The Giant Planet It is named after the ruler of Roman gods. It is the largest planet within the Solar System It has a great Red Spot, the rotating storm system inside the planet. www.makemegenius.com Free Science Videos for Kids

Neptune –The Last Giant The most distant gas planet. It is named after the Roman god of sea . The most windy planet. www.makemegenius.com Free Science Videos for Kids

1. Which is the lightest among all?  Mars  Saturn  Moon  Neptune 2. Red Planet -It is other name of which planet?  Mars  Saturn  Uranus  Neptune 3. Which planet is known as Vaccum Cleaner?  Mars  Moon  Saturn  Jupiter 4. If your weight on earth is 42 kg, what would be your weight on moon?  42  84  52  7

5. Which planet is known as Red Planet?  Mars  Venus  Moon  Saturn 6. Saturn Rings are made of what material?  Chocolates  Stars  Rocks & Ice  Broken Stones 7. Which one is Coldest Planet among all?  Jupiter  Moon  Mars  Neptune 8. Which planet is known as the morning & evening star?  Mars  Moon  Venus  Saturn

1. Green house Effect helps us in  Keeping temperature of earth balanced  Growing vegetables  Making planet green  Ozone layer protection 2. Ozone layer helps us by protecting us from  Germs  Aliens  Breathing  Harmful UV rays of Sun 3. Ice of glaciers would start melting & there would be more floods if temperature of Globe  Goes Up  Goes Down  Remains stable  None of these 4. Which one of following is not a green-house gas?  Carbon-dioxide  Oxygen  Methane  Nitrous-oxide

5. Trees are important to avoid Global Warming ,because they absorb  Oxygen  Carbon-dioxide  Water  Sun-light 6. Green house gases help in maintaining Earths  Water level  Temperature level  Green level  Smoke level 7. Temperature of planet Earth would go up, if amount of green-house gases  Increases  Remains equal  Decreases  None of these