10. Question? A A B B C C D D Asolar Systems is a group of planets and moons A Solar System is s group of stars A Solar system is a group of galaxies What is a Solar System? A Solar System is a group of suns and clouds
16. Question? A A B B C C D D Surface is 10.000 º C, and the centre 18 million ºC Surface is 5.000 º C, and the centre 13 million ºC Surface is 3.000 º C, and the centre 11 million ºC How hot is the Sun? Surface is 6.000 º C, and the centre 14 million ºC
18. Question? B B C C D D The moons are bigger than the planets Planets orbit the Suns and moons orbit the planets All the answers are correct What is the difference between a planet and a moon? The planets are bigger than the moons
22. Question? B B C C D D All the planets are similar Mars Venus Which is the planet most similar to the Earth? There is not planet similar to the Earth