1. What is solar system? Chulsan elementary school Grade 4 JUNG JAE EUN

2. Index 1. What is solar system? 2. Ancient Discoveries 3. What’s in a name? 4. The planets! 5. Conclusion

3. Our solar system is an amazing place! It is dominated by one star. Eight planets go around together with other bodies such as meteors, comets, and moons. Humans live on Earth, the third planet from the Sun. 1. What is solar system?

5. Our ancestors did some amazing things! Some of them made myths and legends About gods in the sky. Here are some special discoveries! Ancient Discoveries 2. Ancient Discoveries

6. 1543-----------1610-----------1687 1543-----------1610-----------1687 Copernicus said Galileo was the first Isaac Newton that planets, person to use a telescope published his law including Earth. for astronomy. of gravity.

7. Mercury : Swift messenger of the Roman gods. Mercury : Swift messenger of the Roman gods. Venus : Roman goddess of love and beauty. Venus : Roman goddess of love and beauty. Mars : Roman god of war. Mars : Roman god of war. Jupiter : Ruler of the Roman gods. Jupiter : Ruler of the Roman gods. Saturn : Roman god of the harvest. Saturn : Roman god of the harvest. Uranus : Roman god of the sky. Uranus : Roman god of the sky. Neptune : Roman god of the sea. Neptune : Roman god of the sea. ? 3. What’s in a name?

8. Sun Mercury Sun Mercury The Sun’s surface, at around Mercury is the closest planet 10,000’F(5,500’C), is hot enough to the Sun. Mercury has no To turn a solid into a gas. Natural satellites. It is also the smallest planet. smallest planet. 4. The planets!

9. Venus Earth Venus Earth Venus has no satellites. Earth is the largest of the It is the hottest planet, not a star. terrestrial planets. It is the only It is 752 ‘F because the thick planet known to have life. The clouds surrounding Venus make oceans on Earth are unique it almost impossible for heat to and vital to our existence. escape. Earth has one natural satellite, the moon. the moon.

10. Mars Jupiter Mars Jupiter Mars is little bit smaller than Earth The first of the gas giants is and is covered by vast volcanoes. Jupiter. It has very strong gravity A Martian day is only 40 minutes to hold on tightly to its 63 longer than a day on Earth. Moon. Mars is a bitterly cold desert where the air is full of poisonous carbon dioxide gas.

11. Saturn Uranus Saturn Uranus Thousands of bright rings circle Uranus is made of a slushy the next planet, Saturn. Saturn mixture of frozen water, methane, is a gas giant made mostly of and ammonia. Uranus is the third hydrogen gas. Saturn also spins largest planet in the solar system. quickly-each day is only 10.6 hours long.

12. Neptune Neptune Neptune is the smallest of the four gas giants. Its thin rings are so dark that they are difficult to see from Earth. The winds on Neptune are the fastest in the solar system.

13. 5. Conclusion I am very proud that I made the PowerPoint by myself. This was the first try that I made PowerPoint also with English. I think this was my new experience.

14. The end Thank you